Prof-Pathmalal

Prof. Pathmalal M Manage

Senior Professor

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Profile

Senior Professor Pathmalal M Manage is a distinguished academic leader and Professor of Zoology who formerly served as the Vice-Chancellor of the University of Sri Jayewardenepura. Holding a Ph.D. in Microbial Ecology and Eco-toxicology, he has built a globally recognized career marked by groundbreaking, world-first research findings. His extensive work spans eco-toxicology, water quality assessment, environmental microbiology, and bioremediation, positioning him as a leading scientific authority both in Sri Lanka and internationally. A prolific scholar and inventor, Prof. Pathmalal, has published over 170 full papers in peer-reviewed, indexed journals and presented more than 500 research communications at global conferences. He is the author of 35 international book chapters, six books, and four training manuals, and holds six patents that successfully translate his scientific discoveries into practical innovations. His expertise has earned him prestigious global appointments, including an Honorary Professorship at Zhejiang Shuren University in China, Honorary Senior Research Fellowships at Robert Gordon University in the UK and the University of Sydney in Australia, and a 2026 Honorary Fellowship from the Institute of Chemistry Ceylon. In recognition of his unwavering dedication to higher education, research mentorship, and university leadership, Prof. Pathmalal has received numerous prestigious accolades. His extensive honors include multiple Presidential Awards for Scientific Research, the CVCD Excellence Award for the Most Outstanding Senior Researcher, and the Gold Award in the Applied Sciences category at the National Educator Awards. Furthermore, his sustained contributions to innovation and mentorship have been recognized six times under the SUSRED Awards Scheme. Through his scholarship and visionary leadership, Prof. Pathmalal remains a driving force in the advancement of science and academia.

Academic Fellowship

  1. Honorary Senior Professor- Zeig in Zuern University, China 2025
  2. Honorary Senior Research Fellow- Robert Gordon University UK from 2019
  3. Honorary Senior Research Fellow- Sydney University Australia from 2021
  4. Charted Fellow- Institute of Biology, Sri Lanka from 2016
  5. Honorary fellow from the Institute of Chemistry Ceylon from 2026

Post-Doctoral Research Fellowships

  1. 2004 – 2005 Institute of Advance Science and Technology (AIST) and Institute of Health and Safety Research (IHSR), Tsukuba, Japan.
  2. 2006 – Department of Photo toxin, School of Pharmacology, Robert Gorden University, UK
  3. 2007 – 2008 Leverhulme Trust Post-Doctoral Visiting Research Fellowship. Department of Photo toxin, School of Pharmacology, Robert Gorden University, UK
  4. 2010 – Global Centre for Environmental Studies, Ehime University, Japan
  5. 2013 – 2014 Commonwealth Fellowship Robert Gordon University, UK
  6. 2018 – 2020 Biotechnology and Biological Science Research Council Science, UK

Research Interests

Environmental Microbiology, Microbial Ecology, Biomonitoring, Bioremediation of xenobiotics, emerging pollutants, drinking water quality, drinking and wastewater treatment, Solid waste and leachate treatment, second and third generation renewable energy, antibiotic contamination in the environment

Awards

Academic Awards

  1. Japanese Government (MONBUSHO) Scholarship for a PhD Scholarship Award from 1995 to 1998.
  2. Japanese Government (MONBUSHO) Scholarship for a Research Student Award from 1998 to 2001.
  3. Presidential Award 2005-2006 (Category 3) for short-term research scholarships of Academic Staff of Universities.
  4. Honorary Professorship Award granted to Snr. Prof. Pathmalal M Manage by Zhejiang Shuren University, China.
  5. Gold award for teaching scholarly work and national contribution in the discipline of Applied Sciences at the National Educator Awards 2025.

Research Awards

  1. Support Scheme for Supervision of Research Degrees (SUSRED) award for the supervision of a PhD degree graduated within 4 years in 2020.
  2. Support Scheme for Supervision of Research Degrees (SUSRED) for the supervision of a PhD degree graduated within 4 years in 2017, which was awarded twice.
  3. Support Scheme for Supervision of Research Degrees (SUSRED) for the supervision of an M.Phil. degree graduated within 3 years in 2017.
  4. University of Sri Jayewardenepura “Best Researcher Vice Chancellors’ Award” (Research Award 2016) in recognition of the best researcher, awarded in 2017.
  5. University of Sri Jayewardenepura Research Award 2016 for achieving the highest citation impact in the Faculty of Applied Sciences, awarded in 2017.
  6. University of Sri Jayewardenepura Research Award 2016 for publishing research papers in indexed (SCI/SSCI/AHCI) journals, awarded in 2017.
  7. University of Sri Jayewardenepura Research Award 2016 for achieving the highest h-index in the Faculty of Applied Sciences, awarded in 2017.
  8. University of Sri Jayewardenepura Research Award 2016 for the contribution of full articles published in a refereed index journal.
  9. University of Sri Jayewardenepura Research Award 2015 for the contribution of full articles published in a refereed index journal.
  10. University of Sri Jayewardenepura Research Award 2015 for achieving the highest h-index in the Faculty of Applied Sciences for the year 2016.
  11. University of Sri Jayewardenepura Research Award 2015 for publishing research papers in indexed (SCI/SSCI/AHCI) journals in 2016.

National Awards

  1. NRC Merit Award for Scientific Research in 2021.
  2. CVCD Excellence Award for Most Outstanding Senior Researcher in the Category of Biological Sciences including Agriculture and Allied Sciences in 2020.
  3. Bronze Award and First Place in the Energy and Environment category for the domestic water filter to treat drinking water at Innovate Sri Lanka 2019.
  4. Third place in the Energy and Environment category for the textile wastewater effluents treatment unit at Innovate Sri Lanka 2019.
  5. Sri Lanka Leadership Award for Education recognizing the Best Professor in Zoology in 2018.
  6. Environmental Award for Green Jobs for Education and Awareness Creation on World Environmental Day (5th June 2009), awarded by the Ministry of Environment and Natural Resources.
  7. NRC Merit Awards for International publications in Science Index Journals for the years 2011, 2012, 2013, 2014, 2016, 2017, and 2026.
  8. Presidential Awards for International publications in Science Index Journals for the years 2007, 2008, 2009, 2010, 2011, 2015, 2017, 2019, 2020, 2021, 2022, and 2023. 2024.2025

International Awards

  1. Fulbright Senior Research Fellowship was awarded by the Fulbright Commission, USA in 2022.
  2. Research Excellence Gold Medal from The Integrated College of Agriculture (RENDAI) at Ehime University, Japan in 2001.

Memberships

  1. Life member- Sri Lanka Association for the Advancement of Science
  2. Life member- Institute of Biology
  3. Life member- SLAFA, Sri Lanka
  4. Member- General Microbiology Society, UK.
  5. Founder member- Anatomical Society, Sri Lanka.
  6. Member- Limnology Society of Japan
  7. Member- Microbiology Society, Scotland, UK.

Memberships

  1. Life member- Sri Lanka Association for the Advancement of Science
  2. Life member- Institute of Biology
  3. Life member- SLAFA, Sri Lanka
  4. Member- General Microbiology Society, UK.
  5. Founder member- Anatomical Society, Sri Lanka.
  6. Member- Limnology Society of Japan
  7. Member- Microbiology Society, Scotland, UK.

Patents

  1. Domestic drinking water filter capable of removing drinking water contaminants; cyanotoxins, taste and odour forming compounds, antibiotics, pesticides and some heavy metals using natural Rutile and activated carbon (20615)
  2. A method to treat dye-contained wastewater effluents using the integrated application of laterite soil, microbial consortium and aquatic floating plants (20654)
  3. A laterite-based product to remove dye from an aqueous medium and preparation method thereof (20925)
  4. Zeolite combined biochar-based magnetized sponge aerogel using aquatic invasive plants to treat oil-contaminated water – LK/P/ 22478
  5. Industrial design for Domestic drinking water filter capable of removing drinking water contaminants: Cyanotoxins, Taste and Odour forming compounds, Antibiotics, Pesticides and some heavy metals using Natural Rutile sand and Activated Carbon – LK/I/I/13973
  6. A Novel Bio Filter for Degrading Aromatic Hydrocarbons in the Environment: Removing Cancer-Causing Aromatic Hydrocarbonic Pollutants from the Environment by Using Phyllo Remediating Bacteria and Fungi LK/P/1/22560

Patents Filled

  1. Sustainable fruit waste based fungal growth media formulation for enhanced biomass production from Aspergillus niger (N.T. Liyanaarachchi, P Manage and F.S Idroos) -Filled
  2. A product (bacterial sachet packet), to enhance the composting rate of organic solid waste and reduce the odor emission: COMPOBOOST – 23307 (P.A.K.C. Wijerathna, M. Manage, F.S. Idroos and K.P.P. Udayagee) – Filled
  3. Biofertilizer-Inoculated Pellet with Optimized Microbial Consortia for Enhanced Plant M.P.I. Jayethilake, P.M. Manage, F.S. Idroos) – Filled
  4. Anti-aging face cream enriched with Spirulina platensis and Psidium guajava L extracts. (W.A.H.M. Silva, M. Manage and G.Y. Liyanage) -Filled

Journal Publications

SDGs 3, 6, 12, 14 and 15 — 1. Emerging Pollutants, Xenobiotics and Environmental Toxicology
  1. Guruge, K.S., Taniyasu, S., Yamashita, N. and Manage, P.M. (2007). Occurrence of perfluorinated acids and fluorotelomers in waters from Sri Lanka. Marine pollution bulletin, 54(10), pp.1667–1672.
  2. Guruge, K.S., Taniyasu, S., Yamashita, N. and Manage, P.M. (2015). Occurrence of fluoroalkyl surfactants in water from Sri Lanka.
  3. Guruge, K.S., Manage, P.M., Yamanaka, N., Miyazaki, S., Taniyasu, S. and Yamashita, N. (2008). Species-specific concentrations of perfluoroalkyl contaminants in farm and pet animals in Japan. Chemosphere, 73(1), pp. S210-S215.
  4. Guruge, K.S., Taniyasu, S., Yamashita, N. and Manage, P.M. (2015). Fluoroalkyl surfactants in fish and water from Sri Lanka: an estimation of PFOS and PFOA intake via fish. Book; In Persistent Organic Pollutants (POP) Research in Asia, pp.167–172.
  5. Ohura, T., Sakakibara, H., Watanabe, I., Shim, W.J., Manage, P.M. and Guruge, K.S. (2015). Spatial and vertical distributions of sedimentary halogenated polycyclic aromatic hydrocarbons in moderately polluted areas of Asia. Environmental Pollution, 196, pp.331–340.
  6. Manage, P.M., Wickrama-Arachchige, A.U.K., Guruge, K.S., Hirabayashi, T., Subasinghe, S., Chandrajith, R., Wijesekara, R.G.S., Warnasuriya, T.W.S., Dharmaratne, T.S., Goswami, P. and Ohura, T., Congener-Specific Partitioning Dynamics of Parent and Halogenated Polycyclic Aromatic Hydrocarbons between Dissolved and Particulate Aquatic Phases. Available at SSRN 5147537.
  7. Manage, P.M., Kannangara, S.D. and Liyanage, G.Y. (2015). Role of native bacteria as a bioremediating agent for naphthalene and phenanthrene. Proceedings of Academics World 12th International Conference, Singapore. 20th December (2015).
  8. Wijesinghe, H., Idroos, F.S. and Manage, P.M. (2018). ‘Heavy metal contamination status in seven fish species from reservoirs of Polonnaruwa district, Sri Lanka’, Sri Lanka Journal of Aquatic Science, 23(1), pp. 95–104.
  9. Manage, P.M., Mahagamage, Y.L., Ajward, R., Amaratunge, S. and Amaratunge, V.I. (2020). The need for proper management leads to the sustainability of the Kelani River and its lower basin.
  10. Prathiba, A.A., Idroos, F.S. and Manage, P.M. (2021). ‘Isolation and molecular characterization of polycyclic aromatic hydrocarbon-degrading bacteria from effluent water from Weras River, Sri Lanka’, Environment and Natural Resources Journal, 19(1), pp. 89–94.
  11. Bandara, K.R.V., Chinthaka, S.D.M., Yasawardene, S.G. and Manage, P.M. (2021). Modified, optimized method of determination of Tributyltin (TBT) contamination in coastal water, sediment and biota in Sri Lanka. Marine Pollution Bulletin, 166, p.112202.
  12. Bandara, K.R.V. and Pathmalal, P.M. (2022). ‘Toxicological effects of tributyltin in zebrafish (Danio rerio) embryos’, Environment and Natural Resources Journal, 20(5), pp. 475–481.
  13. Dharmasiri, R.B.N., Undugoda, L.J.S., Nilmini, A.H.L., Pathmalal, M.M., Nugara, N.N.R.N., Udayanga, D. and Kannangara, S. (2022) ‘Depolymerization of polyaromatic hydrocarbons by Penicillium spp. inhabiting the phyllosphere of urban ornamental plants’, Environmental Quality Management, pp. 1–9.
  14. Perera, K., Ziajahromi, S., Bengtson Nash, S., Manage, P.M. and Leusch, F.D. (2022). Airborne microplastics in indoor and outdoor environments of a developing country in South Asia: abundance, distribution, morphology, and possible sources. Environmental science & technology, 56(23), pp.16676–16685.
  15. Dharmasiri, R.B.N., Undugoda, L.J.S., Nilmini, A.H.L., Nugara, N.N.R.N., Manage, P.M. and Udayanga, D. (2023). Phylloremediation approach to green air: phenanthrene degrading potential of Bacillus spp. inhabits the phyllosphere of ornamental plants in urban polluted areas. International Journal of Environmental Science and Technology, 20(12), pp.13359–13372.
  16. Mallikarachchi, K.E.P., Bandara, K.R.V., Weerasekera, M.M., Nugara, R.N., Undugoda, L.J.S. and Manage, P.M. (2024). Aromatase (CYP19) gene as a biomarker for detection of naphthalene and phenanthrene in Colombo to Mirissa coastal water in Sri Lanka. Marine Pollution Bulletin, 201, p.116187.
  17. Edirisingha, I.P., Undugoda, L.J., Manage, P.M., Lankansena, N., Patabadendige, C., Nugara, R.N., Macreadie, P. and Bhadury, P. (2025). Microplastics in Agroecosystems: Sources of Food Crop Contamination, Detection Challenges, and Sustainable Remediation Strategies. Food Bioscience, p.107929.
SDGs 3 and 6 — 2. Chronic Kidney Disease of Unknown Aetiology (CKDu) and Environmental Health
  1. Manage, P.M. (2019). Cyanotoxins: A hidden cause of chronic kidney disease of unknown aetiology (CKDu) in Sri Lanka – a review. Sri Lanka Journal of Aquatic Sciences, 24(1), pp.1–10.
  2. Babich, R., Ulrich, J.C., Ekanayake, E.D.V., Massarsky, A., De Silva, P.M.C., Manage, P.M., Jackson, B.P., Ferguson, P.L., Di Giulio, R.T., Drummond, I.A. and Jayasundara, N. (2020). Kidney developmental effects of metal-herbicide mixtures: Implications for chronic kidney disease of unknown etiology. Environment International, 144, p.106019.
  3. Abeysiri, H.A.S.N. and Manage, P.M. (2022). Water quality, microcystin-LR, and Cylindrospermopsin contamination status of spring and dug well water in CKDu high, low, and non-prevalent areas of Sri Lanka. Sri Lanka Journal of Aquatic Sciences, 27(2).
  4. Dilrukshi, K.T., Beneragama, D.H., Suresh, T.S., Wanigasuriya, J.K.P. and Manage, P.M. (2023). Single and combined effect of fluoride and hardness of drinking water on nephrotoxicity: in-vivo study using Wistar rats as an animal model. Journal of the National Science Foundation of Sri Lanka, 51(3).
  5. Abeysiri, H.A.S.N., Wanigasuriya, J.K.P., Suresh, T.S., Beneragama, D.H. and Manage, P.M. (2024). Nephrotoxicity of Cylindrospermopsin (CYN) and Microcystin-LR (MC-LR) on Mammalian Kidney: Wistar Rat as a Model Assessment. Nature Environment and Pollution Technology, 23(3), pp.1761–1773.
  6. Dilrukshi, K.T., Beneragama, D.H., Suresh, T.S., Wanigasuriya, J.K.P. and Pathmalal, M.M. (2023). Synergistic effect of fluoride and hardness: evaluation of nephrotoxicity on Wistar rats, using environmental water samples. Fluoride, 56.
  7. Imanthi, K.P.A., Wanigasuriya, J.K.P., Perera, P.P.R., Jayasundara, N. and Manage, P.M. (2026). ‘Impact of well water hardness and fluoride on chronic kidney disease of unknown aetiology in Sri Lanka – Zebra fish as an animal model’, Nature Environment and Pollution Technology, 25(1), p. D1787. doi:10.46488/NEPT. 2026.v25i01.D1787.
  8. Imanthi, K.P.A., Wanigasuriya, J.K.P., Perera, P.P.R., Jayasundara, N. and Manage, P.M. (2026). Combined nephrotoxic effects of fluoride, water hardness, and microcystin-LR associated with CKDu in Sri Lanka: a zebrafish (Danio rerio) model approach. Environmental Geochemistry and Health, 48(8), p.354. doi:10.1007/s10653–026–03226–4.
  9. Imanthi, K.P.A., Wanigasuriya, J.K.P., Perera, P.P.R., Jayasundara, N. and Manage, P.M. (2026). Impact of Well Water Hardness and Fluoride on Chronic Kidney Disease of Unknown Aetiology in Sri Lanka–Zebrafish as an Animal Model. doi:10.46488/NEPT. 2026.v25i01.D1787.
SDGs 3, 6 and 12 — 3. One Health, Antimicrobial Resistance and Antibiotic Pollution  
  1. Idroos, S.F. and Manage, P.M. (2015). Evaluation of antibiotic degradation feasibility of Bacillus cereus and Rahnella aquatilis. In The 1st Environment and Natural Resources International Conference, The Sukosol hotel, Bangkok, Thailand.
  2. Liyanage, G.Y. and Manage, P.M. (2014). Quantification of Oxytetracycline and Amphicillin in two wastewater discharging points in Colombo, Sri Lanka. Journal of Environemnt and Natural Resources, pp.193–198.
  3. Liyanage, G.Y. and Manage, P.M. (2017). Occurrence and abundance of multiple antibiotic resistance bacteria in hospital effluent water. Asian Jr. of Microbiol. Biotech. Env. Sc. Vol. 19, No. (4): 2017: 276–284.
  4. Liyanage, G.Y. and Manage, P.M (2016). Evaluation of Amoxicillin and Sulfonamide removal by Bacillus cereus, Enterobacter ludwigii and Enterobacter sp. Environment and Natural Resources Journal, 14(1), pp.39–43.
  5. Liyanage, G.Y. and Manage, P.M. (2016). Occurrence, fate and ecological risk of antibiotics in hospital effluent water and sediments in Sri Lanka. International Journal of Agriculture and Environmental Research, 2(4), pp. 909–935.
  6. Liyanage, G.Y. and Pathmalal, M.M. (2017). Risk of prophylactic antibiotics in livestock and poultry farms-a growing problem for human and animal health. Pharmaceutical Journal of Sri Lanka, 7(1), pp. 13–27.
  7. Liyanage, G.Y. and Manage, P.M. (2017). ‘Occurrence and abundance of multiple antibiotic resistance bacteria in hospital effluent water’, Asian Journal of Microbiology, Biotechnology and Environmental Sciences, 19(4), pp. 276–284.
  8. Dharmadasa, P.S., Liyanage, G.Y. and Manage, P.M. (2017). ‘Bioremediation of MC-LR and selected antibiotics using native bacteria’, Journal of Tropical Forestry and Environment, 7(2), pp. 21–30.
  9. Manage, P.M. (2018). ‘Heavy use of antibiotics in aquaculture: emerging human and animal health problems – a review’, Sri Lanka Journal of Aquatic Science, 23(1), pp. 13–28.
  10. Liyanage, G.Y. and Manage, P.M. (2018). ‘Degradation of Ciprofloxacin (CIP) by bacteria isolated from effluent water and identification of degradation pathways’, International Journal of Medical, Pharmacy and Drug Research, 2(3), pp. 37–47.
  11. Liyanage G.Y and Pathmalal M. Manage (2019). Occurrence and distribution of tetracycline resistance determinants and their pollution profile in the aquaculture environment in Sri Lanka. Journal of National Science Foundation of Sri Lanka, 47 (4), pp. 455–465.
  12. Mahagamage, M.G.Y.L., Pathirage, M.V.S.C. and Manage, P.M. (2020). Contamination status of Salmonella spp., Shigella spp. and Campylobacter spp. in surface and groundwater of the Kelani River Basin, Sri Lanka. Water, 12(8), p.2187.
  13. G.Y., Manage. S and Manage. P.M. (2021). Identification and characterization of antibiotic resistance bacteria in Nile tilapia (O.niloticus) and determination of Multiple Antibiotic Resistance, The Journal of Pollution Research, pp. 34–38.
  14. Liyanage, G.Y., Illango, A. and Manage, P.M. (2021). Prevalence and quantitative analysis of antibiotic resistance genes (ARGs) in surface and groundwater in meandering part of the Kelani River Basin in Sri Lanka. Water, Air, & Soil Pollution, 232(9), p.351.
  15. G.Y., Weerasekara, M.M. and Manage. P.M. (2022). Screening and quantification of the selected penicillin and tetracycline resistance genes in the environmental samples, Sri Lanka J.Natn.Sci.Foundation Sri Lanka 2022 50 (2): pp.361–370.
  16. Liyanage, D., Liyanage, G.Y., Sirisena, K. and Manage, P.M., (2024). Screening of amoxicillin degradation potential by amoxicillin-resistant bacteria. Open University Sri Lanka.
  17. Liyanage, G.Y., Wijerathna, P.A.K.C., Bandara, S.M.T.V. and Manage, P.M. (2024). Assessment of Virulence Potential and Antibiotic Resistance Profiles in E. coli Isolates from Selected Ground Water Samples Around the Control Open Dump Sites in Sri Lanka. Waste and Biomass Valorization, 15(9), pp.5475–5485.
  18. Bandara, S.M.T.V., Wijerathna, P.A.K.C., Liyanage, G.Y. and Manage, P.M. (2025). The Occurrence and Antibacterial Susceptibility of Salmonella spp. & Shigella spp. along the Southern Coastal Belt of Sri Lanka, from Galleface to Mirissa. Water, Air, & Soil Pollution, 236(8), p.476.
  19. Bandara, S.M.T.V., Wijerathna, P.A.K.C., Liyanage, G.Y., Pathirage, S. and Manage, P. M (2025). Occurrence of Shiga-toxigenic and enteropathogenic E. coli contaminations and assessment of water quality in the southern coastal belt in Sri Lanka. Journal of Water and Health, 23(7), pp.861–876.
  20. Sewmi, J.A.G.V., Liyanage, G.Y., Wijerathna, P.A.K.C. and Manage, P.M. (2025). Comprehensive Study on Antibiotic Resistance, Antibiotic Residues, and Quality of the Municipal Solid Waste Compost in Sri Lanka. Water, Air, & Soil Pollution, 236(12), p.762.
  21. Madushika, N. H., Munaweera, I., Liyanage, G. Y., Jayawardane, P., & Manage, P. M. (2026). Innovative green nanotechnology for sustainable water purification under climate change: tackling antibiotic contaminants. Environmental Science Nano. 13, pp. 150–183.
  22. Kumara, M.A.K.M.M., Liyanage, G.Y., Manage, P.S. and Manage, P.M. (2026). Environmental surveillance of antibiotic-resistant Escherichia coli in Sri Lankan inland waters: Detection of resistance genes and Shiga toxin–producing strains. Environmental Monitoring and Assessment, 198(5), p.459.
  23. Kumara, M.A.K.M.M., Manage, P.M., Ganepola, G.A.P.R., Wijerathna, P.A.K.C., Liu, W. and Yin, S. (2026). Coastal Water Quality Degradation by Virulent and Antibiotic-Resistant Enteric Pathogens: Seasonal Patterns and Anthropogenic Drivers in the Jaffna Peninsula, Sri Lanka. Water, 18(12), p.1519. doi:10.3390/w18121519.
  24. Madushika, N.H., Munaweera, I., Liyanage, G.Y., Jayawardane, P. and Manage, P.M. (2026). Innovative green nanotechnology for sustainable water purification under climate change: tackling antibiotic contaminants. Environmental Science: Nano, 13(1), pp.150–183. doi:10.1039/d5en00956a rsc.li/es-nano.
  25. Sewmi, J.A.G.V., Liyanage, G.Y., Wijerathna, P.A.K.C., Liu, W., Yin, S. and Manage, P.M. (2026). Impact of compost application on the spread of antibiotic resistance: emerging risks to public and aquatic health in Sri Lanka. Environmental Geochemistry and Health, 48(7), p.304. doi:10.1007/s10653–026–03191-y.
  26. Kumara, M.A.K.M.M., Liyanage, G.Y., Idroos, F.S., Sewmi, J.A.G.V., Liu, W., Yin, S., Goonetilleke, R., Bandara, R., Diyawaththege, L. and Manage, P.M. (2026). Occurrence and spatial distribution of Antibiotic-Resistant bacteria and antibiotic resistance genes in surface and groundwater of the Kelani River Basin, Sri Lanka. Current Microbiology, 83(7), p.396.
SDGs 11 and 12 — 4. Microbial Solutions for Solid Waste Management and Circular Economy
  1. Nayanthika, I.V.K., Jayawardana, D.T., Bandara, N.J.G.J., Manage, P.M. and Madushanka, R.M.T.D. (2018). ‘Effective use of iron-aluminum rich laterite-based soil mixture for treatment of landfill leachate’, Waste Management, 74, pp. 347–361.
  2. Serasinghe, D.S.W. and Manage, P.M. (2021). Feasibility of biodegradation of Azamethiphos; odour and fly controlling chemical used in open solid waste dumpsite at Karadiyana, Colombo, Sri Lanka.
  3. Wijerathna, P.A.K.C., Idroos, F.S. and Manage, P.M. (2024). A review of the green approach to the treatment of solid waste leachate. International Journal of Environment and Waste Management, 35(2), pp.198–220.
  4. Jayasundara, R.B.C.D., Udayagee, K.P.P., Karunarathna, A.K., Manage, P.M., Nugara, R.N. and Abhayapala, K.M.R.D. (2023). Permeable reactive barriers as an in-situ groundwater remediation technique for open solid waste dumpsites: a review and prospect. Water, Air, & Soil Pollution, 234(1), p.50.
  5. Wijerathna, P.A.K.C., Udayagee, K.P.P., Idroos, F.S. and Manage, P.M. (2024). Novel Bacterial Consortium for Mitigation of Odor and Enhance Compost Maturation Rate of Municipal Solid Waste: A Step Toward a Greener Economy. Nature Environment & Pollution Technology, 23(3).
  6. Wijerathna, P.A.K.C., Udayagee, K.P.P., Idroos, F.S. and Manage, P.M. (2024). Formulation of Novel Microbial Consortia for Rapid Composting of Biodegradable Municipal Solid Waste: An Approach in the Circular Economy: 10.32526/ennrj/22/20230270. Environment and Natural Resources Journal, 22(3), pp.283–300.
  7. Jayathilake, K.M.P.I., Manage, P.M. and Idroos, F.S. (2024). Development of water lettuce (Pistia spp.) based biochar filter for the treatment of industrial wastewater: a green approach. Current Science (00113891), 127(10). pp. 1208–1218.
  8. Jayathilake, K.M.P.I., Manage, P.M. and Idroos, F.S. (2025). Isolation and Characterization of Phosphate-Solubilizing Bacteria from Compost and Open Dump Sites: Implications for Plant Growth. Nature Environment & Pollution Technology, 24(3). pp. 1–10.
  9. Mudalige, B.W., Ireshika, S., Manage, P.M. and Idroos, F.S. (2025). Phosphate Solubilization and Plant Growth-Promoting Potential of Penicillium oxalicum (Bt9) in Eppawala Rock Phosphate-Enriched Compost. Nature Environment and pollution Technology, 25(3), pp. 1–39.
  10. Wijerathna, P.A.K.C., Udayagee, K.P.P., Idroos, F.S. and Manage, P.M. (2025). Spectral characterization and Indexing methods for the quality assessment of municipal solid waste compost prepared using novel bacterial consortia.
  11. M. B. B. Sathsarini, T. G. I. Sandamali, M. M. Pathmalal and F. S. Idroos (2025). Phosphate Solubilization and Plant Growth-Promoting Potential of Penicillium oxalicum (Bt9) in Eppawala Rock Phosphate-Enriched Compost. Journal of Nature Environment and Pollution Technology. 25(3). pp. 1–39.
  12. Jayathilake, P., Manage, P.M., and Idroos, F. (2025). Synergistic Effect of Bacillus Spp. And Aspergillus Spp. As Biofertilizers Spray on Nutrient Uptake and Growth Enhancement In Lettuce (Lactuca Sativa) And Radish (Raphanus Sativus): Impact of Biofertilizer on Soil Fertility and Sustainable Agriculture. Journal of microbiology, biotechnology and food sciences, pp. e12404-e12404.
  13. Wijetunge, D., Manage, P.M, & Ranatunga, K. (2026). Potential pollution by biodegradable waste: Assessing the degradability of oxo-degradable, compostable, and biodegradable products under laboratory conditions. Nature Environment and Pollution Technology. 25(2) pp. 1–15.
  14. Wijerathna, P.A.K.C., Udayagee, K.P.P., Idroos, F.S. and Manage, P.M. (2026). Spectral characterization and Indexing methods for the quality assessment of municipal solid waste compost prepared using novel bacterial consortia. Nature Environment and Pollution Technology, 25(1), pp.1–12. doi:10.46488/NEPT. 2026.v25i01.D1799.
  15. Jayathilake, P., Manage, P. M., and Idroos, F. (2026). Synergistic effect of Bacillus spp. and Aspergillus spp. as biofertilizers spray on nutrient uptake and growth enhancement in lettuce (Lactuca sativa) and radish (Raphanus sativus): impact of biofertilizer on soil fertility and sustainable agriculture. Journal of microbiology, biotechnology and food sciences, 15(4), pp. e12404-e12404. doi:10.55251/jmbfs.12404.
SDGs 6, 12 and 14 — 5. Microbial Remediation of Industrial Wastewater and Chemical Pollution
  1. Liyanage, G.Y. and Manage, P.M. (2015). Optimisation of environmental factors on oil degrading bacteria isolated from coastal water and sediments in Sri Lanka. Journal of Tropical Forestry and Environment, 5(2).
  2. Liyanage, G.Y. and Manage, P.M. (2016). Isolation and characterisation of oil degrading bacteria from coastal waters and sediments from three locations in Sri Lanka. Journal of National Science Foundation, Sri Lanka, 44 (4): pp.351–358.
  3. Ekanayake, E.M.M.S. and Manage, P.M. (2017). ‘Decolorization of CI Direct Blue 201 by native bacteria’, International Journal of Multidisciplinary Approaches, pp. 49–58.
  4. Ekanayake E.M.M.S and Pathmalal M. Manage (2020). Evaluation of the effectiveness of Aspergillus sp. on decolorization on CI-direct blue 201, Journal of National Science Foundation, Sri Lanka, 48(1), pp. 69–80.
  5. Ekanayake, E.M.M.S. and Manage, P.M. (2020). Green approach for decolorization and detoxification of textile dye-CI direct blue 201 using native bacterial strains. Environment and Natural Resources Journal, 18(1), pp.1–8.
  6. Ekanayake E.M.M.S and Pathmalal M. Manage (2020). Effect of mixed bacterial consortia for decolorization and detoxification of an azo dye: CI Direct Blue 201 textile dye, Journal of Pollution Research 39 (2), pp. 187–195.
  7. Ekanayake, M.S., Udayanga, D., Wijesekara, I. and Manage, P.M. (2021). Phytoremediation of synthetic textile dyes: biosorption and enzymatic degradation involved in efficient dye decolorization by Eichhornia crassipes (Mart.) Solms and Pistia stratiotes L. Environmental Science and Pollution Research, 28(16), pp.20476–20486.
  8. Ekanayake, M.S. and Manage, P.M. (2022). Mycoremediation Potential of Synthetic Textile Dyes by Aspergillus niger via Biosorption and Enzymatic Degradation: 10.32526/ennrj/20/202100171. Environment and Natural Resources Journal, 20(3), pp.234–245.
  9. Gunathilake, B.M., Jayawardana, D., Pupulewatte, P.G.H., Dissanayake, S. and Manage, P.M. (2023). Removal of methylene blue from aqueous solution using raw laterite: an adsorption study. Journal of National Science Foundation Sri Lanka, 51 (1): pp. 53–67.
SDGs 3, 6 and 14 — 6. Cyanotoxins, Harmful Algal Blooms and Aquatic Health
  1. Manage, P.M., Kawabata, Z. and Nakano, S.I. (2000). Algicidal effect of the bacterium Alcaligenes denitrificans on Microcystis spp. Aquatic Microbial Ecology, 22(2), pp.111–117.
  2. Manage, P.M., Kawabata, Z.I. and Nakano, S.I. (2001). Dynamics of cyanophage-like particles and algicidal bacteria cause Microcystis aeruginosa mortality. Limnology, 2(2), pp.73–78.
  3. Manage, P.M., Kawabata, Z.I. and Nakano, S.I. (1999). Seasonal changes in densities of cyanophage infectious to Microcystis aeruginosa in a hypereutrophic pond. Hydrobiologia, 411(0), pp.211–216.
  4. Nishibe, Y., Manage, P.M., Kawabata, Z.I. and Nakano, S.I. (2004). Trophic coupling of a testate amoeba and Microcystis species in a hypertrophic pond. Limnology, 5(2), pp.71–76.
  5. Manage, P.M., Edwards, C. and Lawton, L.A. (2016). Biodegradation of microcystin-LR by natural bacterial populations.
  6. Pathmalal, M. (2009). Hepatotoxic effects of Microcystis aeruginosa (PCC 7820) on Wister rats.
  7. Manage, P.M., Edwards, C., Singh, B.K. and Lawton, L.A. (2009). Isolation and identification of novel microcystin-degrading bacteria. Applied and Environmental Microbiology, 75(21), pp.6924–6928.
  8. Pathmalal, M.M., Edwards, C. and Lawton, L. (2010). ‘Bacterial degradation of microcystin’, in Interdisciplinary Studies on Environmental Chemistry: Biological Responses to Contaminants. Tokyo: TERRAPUB, pp. 97–104.
  9. Lawton, L.A., Welgamage, A., Manage, P.M. and Edwards, C. (2011). Novel bacterial strains for the removal of microcystins from drinking water. Water Science and Technology, 63(6), pp.1137–1142.
  10. Giaramida, L., Manage, P.M., Edwards, C., Singh, B.K. and Lawton, L.A. (2013). Bacterial communities’ response to microcystins exposure and nutrient availability: Linking degradation capacity to community structure. International Biodeterioration & Biodegradation, 84, pp.111–117.
  11. Idroos, F.S., Hettiarachchi, I.U. and Manage, P.M. (2016). Optimization of a standard method for enumeration of total cell counts of colonial Microcystis aeruginosa in environmental samples collected from Boralasgamuwa Lake, Sri Lanka. Vidyodaya Journal of Science, 18.
  12. Hettiarachchi, I.U. and Manage, P.M. (2014). ‘Cyanobacterial cell density and intracellular Microcystin-LR levels in drinking/irrigation reservoirs in Anuradhapura, Sri Lanka’, Journal of Environment and Natural Resources, Thailand, pp. 210–214.
  13. Piyathilaka, M.A.P.C., Pathmalal, M.M., Tennekoon, K.H., De Silva, B.G.D.N.K., Samarakoon, S.R. and Chanthirika, S. (2015). Microcystin-LR-induced cytotoxicity and apoptosis in human embryonic kidney and human kidney adenocarcinoma cell lines. Microbiology, 161(Pt_4), pp.819–828.
  14. Idroos, S.F., Manage, P.M., De Silva, B.G.D.N.K. and Karunanayake, L.A.L.E.E.N. (2015). Development of a Laboratory Scale Sand Filter with Microcystin-LR Degrading Bacillus cereus. Poceedings of Academics World 12th International Conference. Singapore. 20th December (2015).
  15. Piyathilaka, P.C., Tennekoon, K.H., De Silva, N.K. and Manage, P.M. (2016). Comparative cytotoxicity of selected cyanotoxins on Human Embryonic Kidney (HEK 293) and Human Kidney Adenocarcinoma (ACHN) Cells. ISOI Journal of Microbiology, Biotechnology and Food Science, 2(1),pp. 45–49.
  16. Idroos, F.S. and Manage, P.M. (2017). ‘Removal of Microcystin-LR using cellular extracts of Bacillus cereus KDU Journal of Multidisciplinary Studies, 1(1), pp. 5–9.
  17. Wijesekara, W.M.A. and Manage, P.M. (2017). ‘In vitro screening of antibacterial, antifungal and cytotoxicity activities in crude extract of freshwater cyanobacterium Oscillatoria sp.’, Journal of Tropical Forestry and Environment, 7(2), pp. 71–83.
  18. Idroos, F.S. and Manage, P.M. 2018 ‘Bioremediation of microcystins by two native bacteria: Bacillus cereus and Rahnella aquatilis, Asian Journal of Microbiology, Biotechnology and Environmental Sciences, 20(3), pp. 24–32.
  19. Madushanka, D.A.T. and Pathmalal M. Manage (2018). Potential utilization of Microcystis sp. for biodiesel production: green solution for future energy crisis Asian Journal of Microbiology, Biotechnology and Environmental Sciences, 19 (2). pp. 143–149.
  20. Madushanka, D.A.T. and Pathmalal M. Manage (2018). Optimizing a solvent system for lipid extraction from cyanobacterium Microcystis spp.: Future perspective for biodiesel production, Journal of National Science Foundation, 46(2), pp. 217–225.
  21. Wijeratne, P.K.D.K.B. and Pathmalal M Manage (2018). Accumulation status of microcystin-LR in cultured and natural samples of Oreochromis niloticus (Nile tilapia), Journal of Entomology and Zoological Studies 6(4): pp. 1022–1026.
  22. Ganegoda, G.S.S., Chinthaka, S.D.M. and Pathmalal, M. Manage (2019). Contamination status of geosmin in raw and treated waters in Sri Lanka. Journal of the National Science Foundation of Sri Lanka, 47(2), pp.245–259.
  23. Wijewickrama G.M.M.K and Pathmalal M. Manage (2019). Evaluation of the accumulation status of Microcystin-LR (MC-LR) in grains of two selected rice varieties (Oryza sative L.) and a selected leafy green, Ipomoea aquatic, Toxins, 11(8), pp.432–443.
  24. Ganegoda, G.S.S., Chinthaka, S.D.M. and Manage, P.M. (2020). Determination of geosmin and 2-methylisoborneol in water using solid phase micro extraction (SPME) and gas chromatography mass spectrometry (GC/MS). International Journal of Ecology and Environmental Conservation, 26(1), pp.420–432.
  25. Dissanayake, D.A.S.J., Wickramasinghe, D.D. and Manage, P.M. (2021). Harmful diatoms and dinoflagellates in the Indian Ocean: a study from Southern coast of Sri Lanka. Ukrainian Journal of Ecology, 11(1), pp.279–285.
  26. Madusanka, D.A.T. and Manage, P.M. (2022). Biodiesel Production from Microalgae and Cyanobacteria: a Short Review. International Journal on Engineering Applications, 2(10), pp. 87–95.
  27. Abeysiri, H.A.S.N., Wanigasuriya, J.K.P., Suresh, T.S., Beneragama, D.H. and Manage, P.M. (2022). Effect of cylindrospermopsin on the hepatotoxicity in wistar rats. Journal of the National Science Foundation of Sri Lanka, 50(3).
  28. Abeysiri, H.A.S.N. and Manage, P.M. (2022). Microcystin-LR contamination in Nile tilapia (Oreochromis niloticus) in some water bodies in Sri Lanka. Sri Lanka Journal of Aquatic Sciences, 27(2).
  29. Wijerathne, R.S., Manage, P.M. and Idroos, F.S. (2022). Poly-β-hydroxybutyrate (PHB) production potential of naturally existing cyanobacterial blooms. Journal of the National Science Foundation of Sri Lanka, 50(4).
  30. Gunawardana, D., Abeysiri, S. and Manage, P.M. (2023). Legacy of “New Normal” plastics and “New Nitrogen” in the Cyanotoxin footprint in mangrove ecosystems. Phycology, 3(1), pp.106–126.
  31. Peduruarachchi, H.T., Idroos, F.S., Ekanayake, E.M. and Manage, P.M. (2022). Biodegradation of the Cyanotoxin Cylindrospermopsin using Bacillus cereus, Micrococcus luteus and Alcaligenes faecalis.
  32. Imanthi, K.P.A., Idroos, F.S. and Pathmalal, M.M. (2023). Biotechnological performance of a cyanobacteria based microbial fuel cell. Songklanakarin Journal of Science & Technology, 45(4).
  33. Wijerathna, P.A.K.C., Dilrukshi, K.T., Liyanage, G.Y., Bandara, K.R.V., Mahagamage, M.G.Y.L. and Manage, P.M. (2024). Status of cyanotoxin contamination and water quality in major irrigational and recreational reservoirs in Sri Lanka. Sustainable Water Resources Management, 10(3), p.116.
  34. Liyanage, G.Y., Sadeepa, D. and Manage, P.M. (2024). Screening the presence of cyanotoxin in selected reservoirs in Sri Lanka and employing molecular markers as an advanced alert system. Journal of Water and Health, 22(7), pp.1195–1208.
  35. Ganegoda, S.S. and Manage, P.M. (2025). Isolation and identification of novel, native geosmin and 2-methylisoborneol degrading bacteria. Water Practice & Technology, 20(3), pp.493–507.
SDGs 6, 14 and 15 — 7. Water Quality, Aquatic Pollution and Environmental Monitoring
  1. Kawabata, Z.I., Manage, P.M., Miyai, Y., Hisamoto, M. and Miyai, M. (2002). Cavitation Control as a Means of Reducing Algal Biomass in Pond Waters. Japanese Journal of Water Treatment Biology, 38(4), pp.203–210.
  2. Kawabata, Z.I., Manage, P.M., Miyai, Y., Hisamoto, M.A.K.O.T.O. and Miyai, M.A.S.A.H.I.R.O. (2015). キャビテーションによる池の藻類の抑制.
  3. Kanthilatha, W.S.P.Y.N., Yasawardene, S.G., Pathmalal, M.M. and Adikarie, G. (2008). COMPARISON OF STATURE OF BELLAN-BANDI PALASSA MAN WITH HISTORIC, VADDA AND PRESENT POPULATION. Journal of the Royal Asiatic Society of Sri Lanka, pp.43–52.
  4. Hapuarachchi, D.P., Ratnayake, N., Manatunge, J.M.A. and Manage, P.M. (2009). ‘Improvements of the performance of unit operations of water treatment plants where irrigation tanks are used as the source’, in International Symposium on Exchange on Sustainable Development of Asia. Faculty of Engineering, Ruhuna University, Sri Lanka, pp. 34–39.
  5. Manage, P.M. and Premetilake, M.S.N. (2011). Occurrence of heterotrophic bacteria causing lysis of M. aeruginosa in Beira Lake, Sri Lanka. Vidyodaya Journal of Science, 16.
  6. Idroos, F.S. and Manage, P.M. (2012). Aquatic life health quality assessment of the Bolgoda Canal and Waga Stream with respect to selected physico-chemical parameters and bioindicators.
  7. Mahagamage, M.G.Y.L., Chinthaka, S.D.M. and Manage, P.M. (2016). Multivariate analysis of physico-chemical and microbial parameters of surface water in Kelani river basin.
  8. Mahagamage, M.G.Y.L. and Manage, P.M. (2014). Water quality index (CCME-WQI) based assessment study of water quality in Kelani river basin, Sri Lanka. International Journal of Environment and natural resources, 1, pp.199–204.
  9. Kanthilatha, W.S.P.Y.N., Yasawardene, S.G., Adikarie, G., Boyd, W.E. and Pathmalal, M.M. (2012). Re-visiting the Bellan-Bandi Palassa human remains of the Mesolithic period, Sri Lanka. Man, and environment, 37(2), pp.7–17.
  10. Rathnasri, P.A.S.A. and Manage, P.M. (2015). Evaluation of groundwater quality in five grama divisions of Maharagama urban area using groundwater quality index (WQI). International Journal of Multidisciplinary Studies, 2(2).
  11. Mahagamage, M.G.Y.L. and Manage, P.M. (2015). Mapping spatial distribution of water quality parameters using GIS in Groundwater of the Kelani River Basin, Sri Lanka. Proceedings of Academics World 12lh International Conference, Singapore. 20th December (2015).
  12. Mahagamage, M.G.Y.L., Chinthaka, S.D.M. and Manage, P.M. (2015). Assessment of water quality index for groundwater in the Kelani River basin, Sri Lanka. International Journal of Agriculture and Environmental Research, 2(5), pp. 1158–1171.
  13. Mahagamage, M.G.Y.L. and Pathmalal M. Manage (2018). Socio-economic background of the head and transitional regions of the Kelani river basin, Sri Lanka, Asian Journal of Microbiology, Biotechnology and Environmental Sciences, 20 (3), pp. 43–57.
  14. Ganegoda, G.S.S., Pathmalal M. Manage and Pathirage, S. (2018). Evaluation of well water quality with special emphasis on Principal Component Analysis (PCA) at Maharagama, Sri Lanka, Journal of Eco Technology Research, 18 (4), pp. 47–57.
  15. Mahagamage, M.G.Y.L., Pavithrani, S. and Manage, P.M. (2018). ‘Water quality and microbial contamination status of groundwater in Jaffna peninsula, Sri Lanka’, Journal of Water and Land Development, 40, pp. 3–12.
  16. Mahagamage, M.G.Y.L. and Manage, P.M. (2019). Water quality and microbial contamination status of Madawachchiya, Padaviya and Kebithigollewa areas in Anuradhapura District, Sri Lanka. Journal of Water and Land Development, (42), pp.1–11.
  17. Gunasekara, N.D., Idroos, F.S. and Pathmalal, M. Manage (2019). Microbial degradation of nitrate: put microbes to work. Environment and Natural Resources Journal, 17(2), pp.30–40.
  18. Langley, M.C., Amano, N., Wedage, O., Deraniyagala, S., Pathmalal, M.M., Perera, N., Boivin, N., Petraglia, M.D. and Roberts, P. (2020). Bows and arrows and complex symbolic displays 48,000 years ago in the South Asian tropics. Science Advances, 6(24), p. eaba3831.
  19. Ranasinghe, R.A.S.N., Wijesekara, W.L.I., Perera, P.R.D., Senanayake, S.A., Pathmalal, M.M. and Marapana, R.A.U.J. (2022). Functional and bioactive properties of gelatin extracted from aquatic bioresources–a review. Food Reviews International, 38(4), pp.812–855.
  20. Silva, W.R., Nilushi, N.R., P.M., Lanka, U., Dhanushka, U., Nilmini, L.R. and Prasanna G. (2021). Effects of extraction solvents on phytochemical screening, cytotoxicity and anti-obesity activities of selected Sri Lankan medicinal plants, Pharmacogn Res, 13 (4), pp. 246–256.
  21. Manage, P.M., G.Y., Illango A., Madhushanka D.A.T. and Bandara, K.R.V. (2022) Pollution levels in Sri Lanka’s west-south coastal waters: Making progress toward a cleaner environment, Regional Studies in Marine Sciences, 51, 102193.
  22. Ranasinghe, R.A.S.N., Wijesekara, W.L.I., Perera, P.R.D., Senanayake, S.A., Pathmalal, M.M. and Marapana, R.A.U.J. (2022). Nutritional value and potential applications of jellyfish. Journal of Aquatic Food Product Technology, 31(5), pp.445–482.
  23. Ashanka, P.H., Prasasthi, M.A.A., Ratnayake, R.R.P.N., Pathmalal, M.M. and Idroos, F.S. (2022). Development of a cost-effective activated carbon incorporated sand gravel filter for rainwater treatment. International Journal of Multidisciplinary Studies, 9(2), pp.34–43.
  24. Jayawardhane, J.K.P.C., Weerasekara, K.A.W.S. and Pathmalal, M.M. (2023). Spatial and temporal variation of physicochemical parameters of coastal waters in the southwestern region of Sri Lanka. Sri Lanka Journal of Aquatic Sciences, 28(1).
  25. Athauda, A.M.N., Abinaiyan, I., Liyanage, G.Y., Bandara, K.R.V. and Manage, P.M. (2023). Spatio-temporal variation of water quality in the Yan Oya River Basin, Sri Lanka. Water, Air, & Soil Pollution, 234(3), p.207.
  26. Rangani, S.C., Marapana, R.A.U.J., Senanayake, G.S.A., Perera, P.R.D., Pathmalal, M.M. and Amarasinghe, H.K. (2023). Correlation analysis of phenolic compounds, antioxidant potential, oxygen radical scavenging capacity, and alkaloid content in ripe and unripe Areca catechu from major cultivation areas in Sri Lanka. Applied Food Research, 3(2), p.100361.
  27. Jayathilake, K.M.P.I., Manage, P.M. and Idroos, F.S. (2024). Invasive Aquatic Plants as Potential Sustainable Feedstocks for Biochar Production and as an Innovative Approach for Wastewater Treatment. Nature Environment and Pollution Technology, 23(2), pp.991–1005.
  28. Weerasinghe, N.L.C., Liyanage, G.Y. and Manage, P.M. (2024). Integrated Biological Control of Eichhornia crassipes (Mart.) Solms Using Phytopathogenic Fungi and Water Hyacinth Mites: Orthogalumna terebrantis. International Journal of Multidisciplinary Studies, 11(1), pp.127–139.
  29. Pavalakumar, D., Undugoda, L.J.S., Thambugala, K.M., Manage, P.M., Nugara, R.N., Kannangara, S.D. and Rajapaksha, S.M. (2024). An analysis of regional variations in the physicochemical properties of Cocos nucifera L. var. nana across Sri Lanka. Plant Physiology Reports, 29(3), pp.461–471.
  30. Thivijan, S., Pavalakumar, D., Gunathunga, C.J., Undugoda, L.J., Manage, P.M., Nugara, R.N., Bandara, P.C., Thambugala, K.M., Al-Asmari, F. and Promputtha, I. (2024). Influence of indigenous non-Saccharomyces yeast strains on the physicochemical and sensory properties of wine fermentation: a promising approach to enhancing wine quality. Frontiers in Cellular and Infection Microbiology, 14, p.1495177.
  31. Loganathan, T., Yasodara, L.G., Manage, P.M., and Idroos, F.S. (2024). Swordtail (Xiphophorous helleri) growth promoting activity and antibacterial property of pineapple (Ananas comosus) peel oil. Israeli Journal of Aquaculture-Bamidgeh, 76(3), pp.117–125.
  32. Liu, X., Pei, T., Xu, G., Huang, T., Wu, Y., Jin, X., Cao, Y., Sun, R., Hu, S., Manage, P.M. and Liu, X. (2025). Suspended sediment (SPS) triggers nitrogen retention by altering microbial network stability and electron transport behavior during the aerobic-anoxic transition. Journal of Environmental Management, 373, p.123787.
  33. Samarathunga, J., Wijesekara, I., Jayasinghe, M. and Pathmalal, M.M. (2025). Different Extraction Procedures and Assessment of Proteins from Five Sri Lankan Seaweed Species. Journal of Aquatic Food Product Technology, pp.1–20.
  34. Meddage, A.K.M.M.K., Manage, P.M. and Withanage, P.M. (2025). Impact of probiotics mixture as a water additive on water quality, growth performance and survival of Catla catla fry. Journal of the National Science Foundation of Sri Lanka, 53(2).
  35. Ranasinghe, R.A.S.N., Wijesekara, W.L.I., Senanayake, S.A., Perera, P.R.D., Pathmalal, M.M. and Marapana, R.A.U.J. (2025). The impact of in vitro gastrointestinal hydrolysis on the antioxidant activity of gelatin extracted from jellyfish Acromitus flagellatus. Journal of Food Science and Technology, pp.1–9.
  36. Rangani, S., Marapana, R., Senanayake, G., Perera, P., Pathmalal, M.M., & Amarasinghe, H. (2025). Alkaloids and nitrosamines in betel quid: A biochemical exploration of carcinogenicity. Chemico-Biological Interactions, 407, p. 111383.
  37. Meddage, A.K.M.M.K., Liyanage, G.Y., Idroos, F.S., Liu, W., Yin, S., Goonetilleke, R., Bandara, R., Diyawaththege, L. and Manage, P.M. (2026). A Geographic Information System-Based Framework for Discriminating Point and Nonpoint Source Pollution in Data-Limited River Basins: A Case Study from Sri Lanka’s Kelani River. Integrated Environmental Assessment and Management, p. vjag 045. doi:10.1093/inteam/vjag045.
SDGs 6, 7, 9 and 12 — 8. Wastewater Treatment, Resource Recovery and Bioenergy
  1. Weerasinghe, W.M.L.I., Madusanka, D.A.T. and Manage, P.M. (2021). Isolation and identification of cellulase producing and sugar fermenting bacteria for second-generation bioethanol production.
  2. Chandrasiri, Y.S., Weerasinghe, W.M., Madusanka, D.A. and Manage, P.M. (2022). Waste-Based Second-Generation Bioethanol: A Solution for Future Energy Crisis. International Journal of Renewable Energy Development, 11(1), pp. 275–285.
  3. Chandrasiri, Y.S., Weerasinghe, W.M.L.I., Madusanka, D.T. and Manage, P.M. (2022). Waste-based second-generation bioethanol: a solution for future energy crisis. International Journal of Renewable Energy Development, 11(1), pp.275–285.
  4. Darshani, N.P., Hewawasam, C., Jayasanka, D.J., Manage, P.M. and Hatamoto, M. (2025). Nitrogen removal performances of Downflow Hanging Sponge (DHS) reactors for wastewater treatment: A critical review. Cleaner Water, p.100136.
  5. Nadeeka Darshani, shehani Sharadha Maheepala, Hirotoshi Netsu, D.J. Jayasanja, M. Manage, Choolaka Hewawasam and Masashi Hatamoto. (2026). Development of siphon-integrated downflow hanging sponge (DHS) reactor for improved nitrogen removal from high-strength municipal wastewater. Journal of Bioresource Technology Report. doi: 10.1016/j.biteb.2026.102962.
SDGs 3, 6, 9 and 14 — 10. Molecular Microbiology, Biomarkers and Environmental Diagnostics  
  1. Sadeepa, D., Sirisena, K. and Manage, P.M. (2022). Diversity of microbial communities in hot springs of Sri Lanka as revealed by 16S rRNA gene high-throughput sequencing analysis. Gene, 812, p.146103.
  SDGs 6, 13, 14 and 15 — 11. Aquatic Ecosystem Health, Biodiversity and Microbial Ecology  
  1. Manage, P.M. and Piyasiri, S. (2015). The Chlorophyll-a content, species composition and population structure of phytoplankton in Randenigala reservoir in Sri Lanka.
  2. Nakano, S.I., Ishii, N., Manage, P.M. and Kawabata, Z.I. (1998). Trophic roles of heterotrophic nanoflagellates and ciliates among planktonic organisms in a hypereutrophic pond. Aquatic Microbial Ecology, 16, pp.153–161.
  3. Kawabata, Z., Min, M.-G., Ishii, N., Takata, R., Furukawa, K., Oshima, A., Ueki, M., Manage, P.M. and Nakano, S.-I. (1998). Evaluation of the effects of biological perturbations on an ecosystem using aquatic microcosms. In Comparative Evaluation of Environmental Toxicants: Health Effects of Environmental Toxicants Derived from Advanced Technologies. National Institute of Radiobiological Sciences, Japan, pp. 109–114.
  4. Manage, P.M. and Piyasiri, S. (2015). Composition, Distribution and Density of Zooplankton in Randenigala Reservoir, Sri Lanka.
  5. Nishii, K., Nakano, S.I., Tamada, M., Manage, P.M., Nishibe, Y. and Kawabata, Z.I. (2001). Microbial decomposition of dissolved organic matter in a hypertrophic pond. Limnology, 2(3), pp.207–212.
  6. Nakano, S.I., Manage, P.M., Nishibe, Y. and Kawabata, Z. (2001). Trophic linkage among heterotrophic nanoflagellates, ciliates and metazoan zooplankton in a hypereutrophic pond. Aquatic Microbial Ecology, 25(3), pp.259–270.
  7. Pathmalal, M.M., Kawabata, Z., Nakano, S.-I. and Nishibe, Y. (2002) ‘Effect of heterotrophic nanoflagellates on the loss of virus-like particles in pond water’, Ecological Research, 17, pp. 473–479.
  8. Sadeepa, H. D. D., Sirisena, K. A. and P.M. (2022). Characterization of Microbial Community in Wahava Hot Springs in Sri Lanka. Ceylon Journal of Science. 51 (5), pp. 541–548.
  9. Ye, D., Shi, C., Hayat, K., Wang, Z., Wang, Q., Mei, Y., Manage, P.M., Hrynsphan, D., Savitskaya, T. and Chen, J. (2026). Tween 80 Enhances n-Hexane Removal in a Rotating Drum Biofilter by Boosting Bioavailability and Microbial Community Resilience. Journal of Environmental Chemical Engineering, p.123073. doi: 10.1016/j.jece.2026.123073.
SDGs 2, 3 and 12 — 12. Food Microbiology, Probiotics and Food Safety  
  1. Dissanayake, D.M.M.P. and Manage, P.M. (2009). Aflatoxin contamination in peanuts commercially available in Sri Lanka. Vidyodaya Journal of Science, 14, pp. 151–159.
  2. Waduwawara, S. and Manage, P.M. (2009). Spoilage after cooking of some rice varieties commonly consumed in Sri Lanka.
  3. Gunathunga, C.J., Undugoda, L.J.S., Manage, P.M., Nugara, R.N., Nilmini, A.H.L.R., Udayanga, D. and Sandaruwan, C. (2024). Determining probiotic properties and fermented milk production potential of Lactobacillus strains inhabiting traditional buffalo curd. Food Bioscience, 57, p.103544.
  4. Ranasinghe, R.A.S.N., Senanayake, S.A., Wijesekara, W.L.I., Perera, P.R.D., Pathmalal, M.M. and Marapana, R.A.U.J. (2024). Characterization of biodegradable films prepared from gelatin extracted from jellyfish Acromitus flagellates using hot water extraction and microwave-assisted extraction. Food Packaging and Shelf Life, 44, p.101315.
  5. Pavalakumar, D., Undugoda, L.J.S., Gunathunga, C.J., Manage, P.M., Nugara, R.N., Kannangara, S., Lankasena, B.N.S. and Patabendige, C.N.K. (2024). Evaluating the Probiotic Profile, Antioxidant Properties, and Safety of Indigenous Lactobacillus spp. Inhabiting Fermented Green Tender Coconut Water. Probiotics and Antimicrobial Proteins, pp.1–17.
  6. Pavalakumar, D., Gunathunga, C.J., Undugoda, L.J.S., Manage, P.M., Nugara, R.N. and Kannangara, S. (2025). Metabolite Profiling and Functional Assessment of Indigenous Lactobacillus spp. in the Fermentation and Biopreservation of Pathogen Exposed Tender Coconut Water Using HPLC and GC-MS. Food Bioscience, p.107588.
  7. Ranasinghe, R.A.S.N., Wijesekara, W.L.I., Senanayake, S.A., Perera, P.R.D., Pathmalal, M.M. and Marapana, R.A.U.J. (2026). Preservation of strawberries using jellyfish gelatin-based biodegradable films and coatings under refrigerated storage. Food Science and Technology International, 32(3), pp.267–278. doi:10.1177/10820132241298487.

International / Local Conference Publications

SDGs 3, 6, 12, 14 and 15 — 1. Emerging Pollutants, Xenobiotics and Environmental Toxicology
  1. Manage, P.M., Guruge, K.S., Taniyasu, S., Yamashita, N. and Galabada Arachchige, S.P. (2005). Accumulation of perfluorooctanesulfonate and related fluorochemicals in fishes from Sri Lanka. In Proceedings of the 25th International Symposium on Halogenated Environmental Organic Pollutants and POPs (DIOXIN (2005), ISPAC 20), Toronto, Canada, pp. 1300–1301.
  2. Guruge, K.S., Manage, P.M., Miyazaki, S., Yamanaka, N., Taniyasu, S. and Yamashita, N. (2005). Species-specific accumulation of perfluoroalkyl contaminants in farm and pet animal blood and liver collected from various regions in Japan. in Proceedings of the 25th International Symposium on Halogenated Environmental Organic Pollutants and POPs (DIOXIN (2005), ISPAC 20), Toronto, Canada, pp. 1643–1646.
  3. Guruge, K.S. and Manage, P.M. (2006). Gene and biochemical response in PFOA-treated rats. In Proceedings of the 15th International Conference on Environmental Chemistry. Program and Abstracts, pp. 466–467.
  4. Manage, P.M., Liyanage, J.A. and Welgama, A. (2007). Heavy metal contamination in well water around a dumping site at Navinna–Maharagama. In Proceedings of the 12th International Symposium of Forestry and Environment, Sri Lanka, 30 November–1 December, pp. 42–43.
  5. Weerasinghe, L.A.S. and Manage, P.M. (2005). Determination of lead and cadmium concentrations in selected leafy vegetables. In Proceedings of the 61st Annual Meeting of the Sri Lanka Association for the Advancement of Science, Sri Lanka, 12–17 December, paper 403/D, p. 41.
  6. Manage, P.M. and Wijethilaka, S.D. (2006). Accumulation pattern of selected heavy metals in edible fish species from Bolgoda Lagoon. In Proceedings of the 62nd Annual Meeting of the Sri Lanka Association for the Advancement of Science, Sri Lanka, 10–15 December, p. 83, paper 425/D.
  7. Manage, P.M. and Wijesinghe, J. (2009) ‘Heavy metal contamination in the Kelani River’, in Proceedings of the 29th Annual Sessions of the Institute of Biology, Sri Lanka, 26 September.
  8. Wijesinghe, H. and Manage, P.M. (2012) ‘Accumulation of selected heavy metals in three reservoirs in the Polonnaruwa District’, in Proceedings of the 17th International Symposium in Environmental Sciences, University of Sri Jayewardenepura, Sri Lanka.
  9. Manage, P.M. and Liyanage, G.Y. (2015) Role of native bacteria as a bioremediating agent for naphthalene and phenanthrene. In Proceedings of the 11th International Academic Conference on Development in Science and Technology (IACDST-2015).
  10. Abeysiri, H.A.S.N. and Manage, P.M. (2017) Heavy metal and water quality status of well, spring and reservoir waters in Medawachchiya, Kebithigollewa and Padaviya in Anuradhapura District’, Proceedings of the 22nd International Forestry and Environmental Symposium, p. 92.
  11. Bandara, K.R.V., Chinthaka, S.D.M. and Manage, P.M. (2018) ‘An effective method to detect tributyltin by gas chromatography–mass spectrometry using solid-phase micro-extraction’, Proceedings of the 24th International Conference on Forestry and Environmental Sciences, p. 79.
  12. Dharmasiri, R.B.N., Nilmini, A.H.L., Manage, P.M., Undugoda, L.J.S., Nugara, N.N.R.N. and Udayanga, D. (2018) ‘Naphthalene-degrading phyllosphere bacteria inhabit the urban areas of Sri Lanka’, Sri Lanka Association for the Advancement of Science Proceedings of the 74th Annual Session, p. 133.
  13. Amarkoon, A.A., Idroos, F.S. and Manage, P.M. (2018) ‘Isolation of polycyclic aromatic hydrocarbon-degrading bacteria from effluent water’, Proceedings of the American Society of Microbiology, p. 224.
  14. Bandara, K.R.V., Chinthaka, S.D.M. and Manage, P.M. (2019) ‘Monitoring tributyltin (TBT) contamination of southern coastal waters in Sri Lanka’, Proceedings of the International Research Conference, Uwa Wellassa University (IRCUWU), p. 25.
  15. Bandara, K.R.V., Chinthaka, S.D.M. and Manage, P.M. (2019) ‘Contamination of tributyltin on selected marine invertebrates collected from selected fishery harbours in Sri Lanka’, Proceedings of the 25th International Conference on Forestry and Environmental Sciences, p. 25.
  16. Ponnimbaduge-Perera, P.D., Yapa, W.B., Dangale, C.D. and Manage, P.M. (2019) Bat guano; a resource or a contaminant?’, Proceedings of the 25th International Conference on Forestry and Environmental Sciences, p. 17.
  17. Bandara, K.R.V., Chinthaka, S.D.M. and Manage, P.M. (2019) Novel solid phase micro extraction (SPME) method for GC-MS analysis of tributyltin’, Proceedings of the 4th International Symposium on Pure and Applied Sciences, p. 139.
  18. Bandara, K.R.V., Chinthaka, S.D.M. and Manage, P.M. (2019) ‘Efficient tributyltin extraction method from marine sediment’, Proceedings of the Rajarata International Research Conference, p. 212.
  19. Bandara, K.R.V., Chinthaka, S.D.M. and Manage, P.M. (2019) ‘Contamination status of tributyltin in commercial and fishery harbours in Sri Lanka’, Proceedings of the 6th International Conference on Multidisciplinary Approaches, p. 21.
  20. Dharmasiri, R.B.N., Nilmini, A.H.L., Undugoda, L.J.S., Nugara, N.N.R.N., Udayanga, D. and Manage, P.M. (2019) ‘Phenanthrene degradation ability of phyllosphere bacteria inhabiting the urban areas in Sri Lanka’, Proceedings of the 6th International Conference on Multidisciplinary Approaches, p. 25.
  21. Bandara, K.R.V., Chinthaka, S.D.M. and Manage, P.M. (2019) ‘Tributyltin contamination in water, sediment and biota samples collected from selected coastal areas in Sri Lanka’, Proceedings of the 7th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 45.
  22. Bandara, K.R.V., Chinthaka, S.D.M. and Manage, P.M. (2020) ‘Determination of tributyltin in marine water and sediment in Sri Lankan harbours’, Proceedings of the 7th Ruhuna International Science and Technology Conference, p. 26.
  23. Bandara, K.R.V. and Manage, P.M. (2020) ‘Evaluation of the toxicity of TBT on natural bacterial population’, Southeast Asian Regional Symposium on Microbial Ecology: Pokhara, Nepal, p. 69.
  24. Dharmasiri, R.B.N., Nilmini, A.H.L., Undugoda, L.J.S., Nugara, N.N.R.N., Udayanga, D. and Manage, P.M. (2020) ‘Naphthalene degradation ability of Bacillus sp. phyllosphere bacteria inhabiting the urban areas in Sri Lanka’, 7th PGIS Research Congress, University of Peradeniya.
  25. Bandara, K.R.V., Chinthaka, S.D.M. and Manage, P.M. (2020) ‘Contamination status of tributyltin (TBT) in Perna viridis’, 7th PGIS Research Congress, University of Peradeniya.
  26. Bandara, K.R.V., Chinthaka, S.D.M. and Manage, P.M. (2020) ‘Assessment of tributyltin contamination in marine sediments and biota (Perna viridis) in the coastal belt of Sri Lanka’, 7th International Conference on Multidisciplinary Approaches (ICMA), p. 23.
  27. Dharmasiri, R.B.N., Nilmini, A.H.L., Undugoda, L.J.S., Nugara, N.N.R.N., Udayanga, D. and Manage, P.M. (2020) ‘Polyaromatic hydrocarbon degrading ability of Bacillus spp. phyllosphere bacteria inhabiting urban areas in Sri Lanka’, 7th International Conference on Multidisciplinary Approaches (ICMA), p. 27.
  28. Dharmasiri, R.B.N., Nilmini, A.H.L., Undugoda, L.J.S., Nugara, N.N.R.N., Udayanga, D. and Manage, P.M. (2020) ‘Phenanthrene degradation ability of Bacillus sp. phyllosphere bacteria inhabiting the urban areas in Sri Lanka’, International Research Conference (IRCUWU), p. 224.
  29. Dharmasiri, R.B.N., Nilmini, A.H.L., Undugoda, L.J.S., Nugara, N.N.R.N., Udayanga, D. and Manage, P.M. (2020) ‘Pyrene degradation ability of phyllosphere Bacillus species bacteria inhabiting the urban areas in Sri Lanka’, Proceedings of the 25th International Forestry and Environment Symposium.
  30. Bandara, K.R.V. and Manage, P.M. (2021) Masculanisation effect of tributyltin on zebrafish (Danio rerio)’, 8th International Conference on Multidisciplinary Approaches, The University of Sri Jayewardenepura.
  31. Bandara, K.R.V. and Manage, P.M. (2021) ‘Toxicity of tributyltin (TBT) on zebrafish embryos’, 26th International Forestry and Environment Symposium, The University of Sri Jayewardenepura, p. 54.
  32. Bandara, K.R.V. and Manage, P.M. (2021) ‘Bioaccumulation potential of tributyltin in molluscs in some harbours in Sri Lanka’, International Conference on Applied and Pure Sciences (2021).
  33. Bandara, K.R.V. and Manage, P.M. (2021) ‘Contamination status and effect of tributyltin (TBT) on reproductive impairment of molluscs’, Conference of the Postgraduate Institute of Science Research Congress, University of Peradeniya, 29–31 October (2021), Sri Lanka.
  34. Bandara, K.R.V. and Manage, P.M. (2021) ‘Reproductive impacts of tributyltin (TBT) on marine invertebrates in Sri Lanka’, 9th International Symposium on Water Quality and Human Health: Challenges Ahead, University of Peradeniya.
  35. Bandara, K.R.V. and Manage, P.M. (2021) ‘Reproductive impacts of tributyltin (TBT) on marine invertebrates in Sri Lanka’, International Conference on Multidisciplinary Approaches in Science (2021).
  36. Dharmasiri, R.B.N., Nilmini, A.H.L., Undugoda, L.J.S., Nugara, N.N.R.N. and Udayanga, D., Manage, P.M. (2021) ‘Polyaromatic hydrocarbons (PAHs) degradation ability of Aspergillus sp. isolated from the phyllosphere of urban areas in Sri Lanka’, Faculty of Science, International Conference on Multidisciplinary Approaches in Science, University of Colombo, Sri Lanka, p. 121.
  37. Dharmasiri, R.B.N., Nilmini, A.H.L., Undugoda, L.J.S., Nugara, N.N.R.N. and Udayanga, D., Manage, P.M. (2021) ‘Polyaromatic hydrocarbons (PAHs) degradation ability of Pseudomonas stutzeri isolated from the phyllosphere of urban areas in Sri Lanka’, Ruhuna International Science and Technology Conference, University of Ruhuna, Sri Lanka.
  38. Dharmasiri, R.B.N., Undugoda, L.J.S., Nilmini, A.H.L., Nugara, N.N.R.N., Udayanga, D. and Manage, P.M. (2021) ‘Polyaromatic hydrocarbons (PAHs) degradation ability of Penicillium spp. isolated from the phyllosphere of urban areas in Sri Lanka’, 25th International Forestry and Environment Symposium, University of Sri Jayewardenepura, p. 57.
  39. Bandara K.R.V., Chinthaka S.D.M. and Pathmalal M.M. (2022) Steroid effect of tributyltin (TBT) on zebrafish. Abstract; Proceedings of the Postgraduate Institute of Science Research Congress, Sri Lanka.
  40. Dharmasiri R.B.N., Undugoda L.J.S., Nilmini A.H.L., Pathmalal M.M., Nugara N.N.R.N., Udayanga D., Enzymatic approach to green air: depolymerization of polycyclic aromatic hydrocarbons (PAHS) by Aspergillus sp. isolated from the phyllosphere of urban areas, ICAPS (2022), University of Kelaniya, Sri Lanka, pg 22.
  41. Dharmasiri R.B.N., Undugoda L.J.S., Nilmini A.H.L, Nugara N.N.R.N., Udayanga D. and Manage P.M., (2022) Polyaromatic hydrocarbons (PAHs) degradation ability of Penicillium spp. isolated from the phyllosphere of urban areas in Sri Lanka. Twenty-fifth International Forestry and Environment Symposium, University of Sri Jayewardenepura, Sri Lanka. pp.57.
  42. Bandara K.R.V. and Manage P. M., (2022) Toxicity of Tributyltin (TBT) on zebrafish embryos. Conference of 26th International Forestry and Environment. University of Sri Jayewardenepura, Sri Lanka. pp.54.
  43. Dharmasiri, R.B.N., Undugoda, L.J.S., Nilmini, A.H.L., Pathmalal, M.M., Nugara, N.N.R.N., Udayanga, D., (2022). Enzymatic approach to green air: depolymerization of polycyclic aromatic hydrocarbons (PAHS) BY Aspergillus sp. isolated from the phyllosphere of urban areas, ICAPS, University of Kelaniya, Sri Lanka. pp.22.
  44. Bandara, K.R.V., Chinthaka, S.D.M., Weerasekera, M.M. and Pathmalal, M.M. (2022) ‘Altered expression of cyp-9 gene in zebrafish in response to tributyltin’, Proceedings of the 9th International Conference on Multidisciplinary Approaches, Sri Lanka, p. 38.
  45. Dharmasiri, R.B.N., Undugoda, L.J.S., Nilmini, A.H.L., Pathmalal, M.M., Nugara, N.N.R.N. and Udayanga, D. (2022) ‘Evaluation of degrading abilities for polycyclic aromatic hydrocarbons by Trichoderma harzianum P4M–16: mycoremediation approach to green air’, Proceedings of the 9th International Conference on Multidisciplinary Approaches, Sri Lanka, p. 47.
  46. Bandara, K.R.V. and Manage, P.M. (2024) ‘Relationship between tributyltin contamination level and lipid content in body tissues of marine invertebrates’, 28th International Forestry and Environment Symposium, Colombo, Sri Lanka, January (2024), p. 67.
  47. Aysha, A., Bandara, K.R.V. and Manage, P.M. (2024) ‘Bacterial degradation of polyaromatic hydrocarbon (PAH); Phenanthrene’, 9th International Symposium on Water Quality and Human Health: Challenges Ahead.
  48. Dharmasiri, R.B.N., Undugoda, L.J.S., Manage, P.M., Nilmini, A.H.L.R., Nugara, N.N.R.N. and Udayanga, D. (2024) ‘Biodegradation of polycyclic aromatic hydrocarbons by phyllosphere fungi: Potential agents for urban air pollution remediation in Sri Lanka’, Proceedings of the ICIET Energy, Environment, and Sustainability, p. 150.
  49. Adhikari, P.A.A.S., Bandara, K.R.V. and Manage, P.M. (2025) ‘Levels of naphthalene and phenanthrene in water and fish samples collected from the meandering part of the Kelani River Basin, Sri Lanka’, 11th International Conference on Multidisciplinary Approaches, April (2025), Colombo, Sri Lanka, p. 116.
  50. Adhikari, P.A.A.S., Bandara, K.R.V. and Manage, P.M. (2025) ‘Levels of naphthalene and phenanthrene concentrations in the meandering part of the Kelani River Basin, Sri Lanka’, 29th International Forestry and Environment Symposium, January (2025), Colombo, Sri Lanka, p. 155.
  51. Adhikari, P.A.A.S., Bandara, K.R.V. and Manage, P.M. (2025) ‘Determination of naphthalene and phenanthrene concentrations in the meandering part of the Kelani River Basin, Sri Lanka’, 12th Ruhuna International Science and Technology Conference, January (2025), Matara, Sri Lanka, p. 114.
  52. R.V. Bandara, M.M. Weerasekera, and P.M. Manage. (2025), Molecular and morphological toxicity effects of tributyltin on adult zebrafish, 10th International symposium on water quality and human health: challenges ahead, Peradeniya, Sri Lanka.
  53. S. Wijetunge, R.R.M.K.P. Ranatunga and P.M. Manage. (2025), Degradation of biodegradable products in lagoon ecosystems and their contribution to microplastic pollution, 10th International symposium on water quality and human health: challenges ahead, Peradeniya, Sri Lanka.
  54. A.A.S. Adhikari, K.R.V. Bandara, E. Pathirana and P.M. Manage. (2025), Assessment of selected polycyclic aromatic hydrocarbon (PAHs) contamination and water pollution in harbors and aquaculture areas in northern and southern provinces, Sri Lanka, 10th International symposium on water quality and human health: challenges ahead, Peradeniya, Sri Lanka.
  55. Adhikari P.A.A.S., Bandara K.R.V., Pathirana E. and Manage P.M. Influence Of Sedimentary Total Organic Carbon on the Spatial Distribution Of Selected Polycyclic Aromatic Hydrocarbons In Coastal Sediments in Sri Lanka. 12th International Conference on Multidisciplinary Approaches, Faculty of Graduate Studies, University of Sri Jayewardenepura, Sri Lanka. p. 88.
  56. Adhikari, P.A.A.S., Bandara, K.R.V. Manage, P.M. Evaluating the Relationship Between Chemical Oxygen Demand (COD) and Polycyclic Aromatic Hydrocarbons (PAHs) in Kelani River. 30th International Forestry and Environment Symposium. p. 63.
  57. Nadeem S.K., Bandara K.R.V., Adhikari P.A.A.S. and Manage P.M. (2026). Contamination Of Phenanthrene And Naphthalene In Selected Shellfish Species from the Sri Lankan Coastal Belt. 12th International Conference on Multidisciplinary Approaches, Faculty of Graduate Studies, University of Sri Jayewardenepura, Sri Lanka. p. 12.
  58. Rakshana R.S. Madushika N.H. Sewmi J.A.G.V., Manage P.M. Ekanayake M.S. and Liyanage G.Y. (2026). Microplastic contamination in edible clams (Gafrarium tumidum) from Kinniya Lagoon, Eastern Sri Lanka: Baseline Evidence for Lagoon Pollution Monitoring. International Conferencen Marine Science and Sustainability 2026 (ICMSS 20266). p. 53.
SDGs 3 and 6 — 2. Chronic Kidney Disease of Unknown Aetiology (CKDu) and Environmental Health
  1. Thayer, L., Manage, P.M., Wanigasuriya, K.P., Massarsky, A., Di Giulio, R.T., Levin, E.D. and Jayasundara, N. (2017) ‘Toxicity of chemical mixtures derived from regions affected by chronic kidney disease of unknown aetiology in Sri Lanka’, in Proceedings of the International Conference of the Public Health Foundation of India and the Pacific Basin Consortium: Environmental Health and Sustainable Development, New Delhi, India, p. 45.
  2. Abeysiri, H.A.S.N. and Manage, P.M. (2018) ‘Detection of cylindrospermopsin in well water in CKDu endemic Padaviya, Medawachchiya and Kebithigollewa areas in Anuradhapura District, Sri Lanka’, Proceedings of the 6th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 32.
  3. Manage, P.M., Abinaiyan, I., Cooray, A. and Mohotti, K.M. (2018) Physico-chemical and pathogenic contamination status of groundwater in CKDu-affected Wilgamuwa in Matale District’, Proceedings of the 5th International Conference on Multidisciplinary Approaches, p. 34.
  4. Abeysiri, H.A.S.N., Manage, P.M. and Wanigasuriya, K. (2018) ‘Cyanobacterial cyanotoxins and water quality in well water at CKDu endemic Girandurukotte and Dehiaththakandiya, Sri Lanka’, Proceedings of the 5th International Conference on Multidisciplinary Approaches, p. 155.
  5. Ganegoda, S.S., Manage, P.M. and Wanigasuriya, K. (2018) ‘Cyanobacterial cyanotoxins and water quality in well water at CKDu endemic Girandurukotte and Dehiaththakandiya, Sri Lanka’, Proceedings of the 5th International Conference on Multidisciplinary Approaches, p. 156.
  6. Abeysiri, H.A.S.N., Wanigasuriya, K. and Manage, P.M. (2018) Detection of cylindrospermopsin and microcystin-LR in the well water of CKDu prevalent Medirigiriya’, Proceedings of the International Research Symposium on Pure and Applied Sciences (IRSPAS), p. 17.
  7. Abeysiri, H.A.S.N., Wanigasuriya, K. and Manage, P.M. (2018) ‘Cyanotoxin contamination in human urine in CKDu high prevalence Padaviya and low prevalence Rajanganaya and Galnewa in Anuradhapura District, Sri Lanka’, Proceedings of the 24th International Conference on Forestry and Environmental Sciences, p. 81.
  8. Manage, P.M., Abinaiyan, I. and Mohotti, K. (2018) Fluoride and total hardness in drinking water in CKDu prevalent Wilgamuwa in Matale District and non-prevalent Jaffna District’, Proceedings of the International Conference on Chronic Kidney Disease of Unknown Etiology (CKDu): Current Aspects and Future Prospects, p. 24.
  9. Abeysiri, H.A.S.N., Wanigasuriya, K. and Manage, P.M. (2018) ‘Accumulation of cylindrospermopsin and microcystin-LR in rice (Oryza sativa) in CKDu high prevalence Padaviya in Anuradhapura District, Sri Lanka’, Proceedings of the International Conference on Chronic Kidney Disease of Unknown Etiology (CKDu): Current Aspects and Future Prospects, p. 28.
  10. Abeysiri, H.A.S.N., Wanigasuriya, K. and Manage, P.M. (2018) ‘Cylindrospermopsin and microcystin-LR contaminated human urine in CKDu high prevalence Medirigiriya in Polonnaruwa District, Sri Lanka’, Proceedings of the International Conference on Chronic Kidney Disease of Unknown Etiology (CKDu): Current Aspects and Future Prospects, p. 31.
  11. Manage, P.M. (2018) ‘Cyanotoxins: hidden cause for CKDu in Sri Lanka’, Proceedings of the International Conference on Chronic Kidney Disease of Unknown Etiology (CKDu): Current Aspects and Future Prospects, p. 10.
  12. Abeysiri, H.A.S.N., Wanigasuriya, K. and Manage, P.M. (2019) ‘Detection of microcystin-LR from well water in CKDu high prevalence Padaviya, Medawachchiya and spring water in Kebithigollewa in Anuradhapura District, Sri Lanka’, Proceedings of the International Symposium on Water and Air Pollution: Recent Trends in Research, p. 20.
  13. Manage, P.M., Abeysiri, H.A.S.N., Levine, K., Redmon, J.H., Edwards, C., Lawton, L.A. and Wanigasuriya, K. (2019) ‘Cyanotoxins: a hidden cause of chronic kidney disease of uncertain etiology in Sri Lanka’.
  14. Redmon, J.H., Lebov, J., Wanigasuriya, K.P., Manage, P.M., Wickremasinghe, R., Harrington, J.M., Fernando, R.A. and Levine, K.E. (2019) ‘Advancing knowledge of risk factors associated with chronic kidney disease of unknown etiology (CKDu): recent research in Sri Lanka and opportunities for collaboration’.
  15. Babich, R., McEttrick, B., Ulrich, J., Ferguson, L., Manage, P.M., Massarsky, A., Di Giulio, R.T., Jackson, B., Perera, C., Rasaiah, J., Sugano, Y., Drummond, I. and Jayasundara, N. (2019) ‘Investigating development of nephrotoxicity of agrochemical mixtures’.
  16. Wanigasuriya, K., Manage, P.M., Wickremasinghe, R., Redmon, J.H., Lebov, J. and Levine, K.E. (2019) ‘A descriptive survey in endemic area of Sri Lanka: characterizing sociodemographic, consumption and agrochemical exposure patterns associated with chronic kidney disease of unknown etiology (CKDu)’.
  17. Wanigasuriya, K., Manage, P.M., Levine, K.E., Lebov, J. and Redmon, J.H. (2019) ‘chronic kidney disease of unknown aetiology in Sri Lanka: the potential role of pesticides, heavy metals and drinking water as environmental risk factors’, Proceedings of the 3rd International Workshop on CKDu in Mesoamerica and Other Regions, pp. 1–13.
  18. Abeysiri, H.A.S.N., Wanigasuriya, K. and Manage, P.M. (2019) ‘Evaluation of accumulation status of cylindrospermopsin (CYN) and microcystin-LR (MC-LR) in rice grains in CKDu high prevalence Medirigiriya in Polonnaruwa District, Sri Lanka’, Proceedings of the 6th International Conference on Multidisciplinary Approaches, p. 40.
  19. Fernando, W.O.K., Wanigasuriya, K., Abinaiyan, I. and Manage, P.M. (2019) ‘Reverse osmosis (RO) permeate from CKDu endemic and non-endemic areas of Sri Lanka is inappropriate for lifelong consumption: a quantitative study’, Proceedings of the 7th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 40.
  20. Dilrukshi, K.T., Wanigasuriya, K. and Manage, P.M. (2019) Chronic kidney disease of unknown aetiology (CKDu) prevalence in Medirigiriya DS division with special reference to water hardness and fluoride’, Proceedings of the 7th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 43.
  21. Abeysiri, H.A.S.N., Wanigasuriya, K. and Manage, P.M. (2020) ‘Cyanotoxin contamination in rice grains (Oryza sativa) in two areas where CKDu is highly prevalent and less prevalent in Anuradhapura district, Sri Lanka’, Proceedings of the 7th Ruhuna International Science and Technology Conference, p. 26.
  22. Dilrukshi, K.T., Pathmalal, M.M., Wanigasuriya, K. and Beneragama, D.H. (2020) Prevalence of chronic kidney disease of unknown aetiology (CKDu) with special reference to water hardness and fluoride in drinking water wells’, 7th International Conference on Multidisciplinary Approaches, p. 128.
  23. Abeysiri, H.A.S.N., Wanigasuriya, K., Sugandika Suresh T., Benaragama, D.H. and Manage, P.M. (2021) Nephrotoxicity of Microcystin-LR in Wistar rats’, 8th International Symposium on Water Quality and Human Health: Challenges Ahead.
  24. Dilrukshi, K.T., Abeysiri, H.A.S.N., Beneragama, D.H., Perera, I.C., Wanigasuriya, K. and Manage, P.M. (2021) ‘Synergistic effect of fluoride and hardness of drinking water on nephrotoxicity: cytotoxicity assay using Vero cells’, ICMA (2021), University of Sri Jayewardenepura, Sri Lanka.
  25. Dilrukshi, K.T., Wanigasuriya, K., Beneragama, D.H., Suresh, T.S. and Manage, P.M. (2021) ‘Nephrotoxic effect of environmental water sample on Wistar rats with special reference to the synergistic effect of fluoride and hardness’, International Research Conference, Uwa Wellassa University, Badulla.
  26. Dilrukshi, K.T., Wanigasuriya, K., Beneragama, D.H., Suresh, T.S. and Manage, P.M. (2021) ‘Evaluation of synergistic effect of fluoride and hardness on nephrotoxicity using Wistar rats as an animal model’, Water Symposium, University of Peradeniya, Sri Lanka.
  27. Dilrukshi, K.T., Abeysiri, H.A.S.N., Amarasekara, B.M.Y.D.E., Benaragama, D.H., Wanigasooriya, K. and Manage, P.M. (2022) ‘Cytotoxic effect of fluoride and hardness on Vero monkey kidney cell line: an in vitro study’, MSF Asia Scientific Days, International Conference of Medical Sciences.
  28. Imanthi, K.P.A., Pathmalal, M.M. and Wanigasuriya, J.K.P. (2022) ‘Synergistic effect of water hardness and fluoride on zebrafish (Danio rerio) embryonic development’, Proceedings of the Postgraduate Institute of Science Research Congress, Sri Lanka.
  29. Dilrukshi K.T., Abeysiri H.A.S.N., Beneragama D.H., Wanigasuriya J.K.P., and Manage P.M. (2022) Cytotoxicity of fluoride and hardness on Vero, monkey kidney cell line: sulforhodamine-b assay. Abstract; Proceedings of the Postgraduate Institute of Science Research Congress, Sri Lanka.
  30. Abeyrathne, P.A.B.P., Imanthi, K.P.A., Wijerathna, P.A.K.C., Dilrukshi, K.T., Liyanage, G.Y. and Pathmalal, M.M. (2022) ‘Water quality and microbial contamination status of ground and surface water in chronic kidney disease of uncertain aetiology (CKDu) high prevalence area, Polonnaruwa, North Central Province, Sri Lanka’, Proceedings of the 9th International Conference on Multidisciplinary Approaches, Sri Lanka, p. 45.
  31. Dilrukshi, K.T., Wanigasuriya, K., Beneragama, D.H. & Suresh, T.S. and Manage, P.M. (2024) ‘Determination of the nephrotoxic effect of fluoride and hardness on Wistar rats using environmental water samples’, 9th International Symposium on Water Quality and Human Health: Challenges Ahead.
  32. Imanthi, K.P.A., Manage, P.M., Wanigasuriya, J.K.P., Perera, P.P.R and Nishad, J. (2024) ‘Water hardness and fluoride status of CKDu high prevalence areas in Rajanganaya, Galnewa, Medirigiriya and Dehiattakandiya’, 10th International Conference on Multidisciplinary Approaches, University of Sri Jayewardenepura, Nugegoda, Sri Lanka, p. 77.
  33. Imanthi, K.P.A., Wanigasuriya, J.K.P., Perera, P.P.R., Jayasundara, N. and Manage, P.M. (2024) ‘Determination of combined acute toxic effects of well water hardness and fluoride using the embryos of Danio rerio (zebrafish)’, Proceedings of the International Conference on Applied and Pure Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, p. 32.
  34. T. DiIrukshi, H.A.S.N. Abeysiri, D.H. Beneragama, J.K.P. Wanigasuriya and M.M. Pathmalal. (2025), Synergistic effect of fluoride and hardness of drinking water on nephrotoxicity: morphological observations of phase contrast and fluorescent microscopy using vero kidney cell line, 10th International symposium on water quality and human health: challenges ahead, Peradeniya, Sri Lanka.
  35. Imanthi KPA, Herath CD, Wanigasuriya JKP, Perera PPR, Jayasundara N and Manage PM (2026). Combined Effect of Water Hardness, Fluoride, Microcystin – Lr And Cylindrospermopsin Associated with CKDu: A Zebrafish Toxicity Assay, 12th International Conference on Multidisciplinary Approaches, Faculty of Graduate Studies, University of Sri Jayewardenepura, Sri Lanka. p. 11.
SDGs 3, 6 and 12 — 3. One Health, Antimicrobial Resistance and Antibiotic Pollution
  1. Idroos, F.S. and Manage, P.M. (2014) ‘Evaluation of antibiotic degradation feasibility of Bacillus cereus and Rahnella aquatilis strains’, in Proceedings of the 1st Environment and Natural Resources International Conference, Thailand, p. 30.
  2. Liyanage, Y. and Manage, P.M. (2014) ‘Quantification of oxytetracycline and ampicillin in wastewater discharging points in Colombo, Sri Lanka’, in Proceedings of the 1st Environment and Natural Resources International Conference, p. 30.
  3. Idroos, S.F., Manage, P.M. and De Silva, B.G.D.N.K. (2015) Role of Stenotrophomonas maltophilia in degradation of antibiotics and hydrocarbons, in Proceedings of the International Conference on Multidisciplinary Approaches, p. 232.
  4. Liyanage, G.Y., Manage, P.M. and De Alwis, A. (2015) Study on the occurrence of antibiotic contaminations in the aquatic environment, Sri Lanka. In Proceedings of the International Conference on Multidisciplinary Approaches, p. 198.
  5. Liyanage, G.Y. and Manage, P.M. (2015) Removal of amoxicillin and sulfanomide by freshwater bacteria in Sri Lanka. In Proceedings of the 20th International Forestry and Environment Symposium, p. 52.
  6. Liyanage, G.Y. and Manage, P.M. (2015) Presence of tetracycline and oxytetracycline resistant bacteria and resistant genes in effluent water of Zoological Garden, Sri Lanka. In Proceedings of the 11th International Academic Conference on Development in Science and Technology (IACDST-2015).
  7. Manage, P.M. and Liyanage, G.Y. (2016) Bacterial remediation of hydrocarbons, antibiotics and cyanotoxins: green solution for sustainable pollution management. In Proceedings of the International Conference on Green Technologies for Sustainable Ecosystems and Trade Show, India, p. 36.
  8. Liyanage, G.Y. and Manage, P.M. (2016) Removal of amoxicillin and ampicillin from aqueous solution using Bacillus cereus and granular activated carbon (GAC). In Proceedings of the 5th International Symposium on Challenges Ahead: Water Quality and Human Health, Postgraduate Institute of Science, University of Peradeniya, p. 25.
  9. Liyanage, G.Y. and Manage, P.M. (2016) Risk of prophylactic antibiotics in livestock and poultry farms: a growing problem for human and animal health and the environment. In Proceedings of the 2nd Environment and Natural Resources International Conference, Thailand, p. 20.
  10. Liyanage, G.Y. and Manage, P.M. (2016) The role of hospital effluent in the occurrence and distribution of ecologically important antibiotics in Sri Lanka. In Proceedings of the 21st International Forestry and Environment Symposium, p. 45.
  11. Liyanage, G.Y. and Manage, P.M. (2016) ‘Occurrence and distribution of tetracycline resistance determinants and their pollution status in the aquaculture environment of Sri Lanka’, Proceedings of the 3rd International Conference on Multidisciplinary Approaches, p. 8.
  12. Liyanage, G.Y. and Manage, P.M. (2017) ‘Screening of antibiotic-resistant bacteria in hospital effluent water in Sri Lanka’, Proceedings of the International Conference, Postgraduate Institute of Science, University of Peradeniya, p. 26.
  13. Liyanage, G.Y., De Alwis, A. and Manage, P.M. (2017) ‘Detection of tetracycline resistance genes in isolated bacteria from aquaculture sites in Sri Lanka’, Proceedings of the 4th International Conference on Multidisciplinary Approaches, p. 162.
  14. Liyanage, G.Y. and Manage, P.M. (2017) ‘Determination of multiple antibiotic resistance (MAR) in bacteria isolated from aquaculture farms in Sri Lanka’, Proceedings of the International Research Symposium on Pure and Applied Sciences (IRSPAS), p. 144.
  15. Liyanage, G.Y. and Manage, P.M. (2017) Bacterial remediation of ciprofloxacin (CIP) by CIP-resistant bacteria isolated from environmental samples’, Proceedings of the 22nd International Forestry and Environmental Symposium, p. 43.
  16. Liyanage, G.Y., Manage, P.M. and Weerasekara, M.M. (2018) ‘Screening and quantification of the blaTEM and tetM resistance genes in environmental samples in Sri Lanka’, Proceedings of the South Asian Biotechnology Conference, p. 88.
  17. Liyanage, G.Y. and Manage, P.M. (2018) ‘Contamination status of ciprofloxacin and cloxacillin in Sri Lankan hospital effluents’, Proceedings of the 6th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 31.
  18. Liyanage, G.Y., Weerasekara, M.M. and Manage, P.M. (2018) ‘Penicillin and tetracycline resistance genes as emerging environmental contaminants in hospital wastewater and aquaculture effluents in Sri Lanka’, Proceedings of the International Conference on Health Sciences, p. 30.
  19. Liyanage, G.Y., Manage, P.S. and Manage, P.M. (2018) Determination of multiple antibiotic resistance (MAR) and MAR index in bacteria isolated from aquaculture farms’, Proceedings of the 5th International Conference on Multidisciplinary Approaches, p. 154.
  20. Abinaiyan, I., Mahagamage, M.G.Y.L. and Manage, P.M. (2018) Isolation of Salmonella spp. and Shigella spp. from ground and surface water in the lower part of the Kelani River Basin: evaluation of resistance against selected antibiotics’, Proceedings of the International Research Symposium on Pure and Applied Sciences (IRSPAS), p. 16.
  21. Liyanage, G.Y. and Manage, P.M. (2019) Screening and quantification of tetracycline and sulfonamide resistance genes in natural environmental samples’, Proceedings of the International Research Conference, Uwa Wellassa University (IRCUWU), p. 305.
  22. Liyanage, G.Y. and Manage, P.M. (2019) ‘Hospital effluent water as hotspots for antibiotic contamination and antibiotic-resistant genes in Sri Lanka’, Proceedings of the International Symposium on Water and Air Pollution: Recent Trends in Research, p. 32.
  23. Liyanage, G.Y. and Manage, P.M. (2019) Bacterial degradation of TET-by-TET resistant bacteria; a green solution for antibiotic pollution’, Proceedings of the 4th International Symposium on Pure and Applied Sciences, p. 32.
  24. Liyanage, G.Y. and Manage, P.M. (2019) ‘Characterizing multiple antibiotic resistants (MAR) and determination of MAR index in cultured bacteria from hospital effluent, Sri Lanka’, Proceedings of the 6th International Conference on Multidisciplinary Approaches, p. 20.
  25. Padeniya, S.M.U.M.K., Mahagamage, M.G.Y.L. and Manage, P.M. (2019) ‘Pathogenic microbial, physio-chemical contamination status and antibiotic resistance of isolated Salmonella spp. in the well water of Jaffna Peninsula, Sri Lanka’, Proceedings of the 7th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 55.
  26. Liyanage, G.Y. and Pathmalal, M.M. (2020) ‘Occurrence and distribution of antibiotic-resistant bacteria isolated from shrimps (Penaeus monodon) in aquaculture ponds in Negombo area’, 7th International Conference on Multidisciplinary Approaches, p. 121.
  27. Liyanage, G.Y. and Manage, P.M. (2021) Presence of antibiotics in aquaculture wastewater’, The Challenge on Animal and Human Health, International Conference on Multidisciplinary Approaches in Science.
  28. Wijesekara W.P.S.D., Pathmalal M.M., Idroos F.S., (2022). Contamination status of Escherichia coli in cooked and raw poultry meat, Proceedings of the 9th International Conference on Multidisciplinary Approaches, Sri Lanka. pp.70.
  29. Wijerathna, P.A.K.C., Liyanage, G.Y., Mahagamage, M.G.Y.L. and Pathmalal, M.M. (2022) ‘Determination of water quality status and contamination level of E. coli in Negombo Lagoon, Sri Lanka’, Proceedings of the 9th International Conference on Multidisciplinary Approaches, Sri Lanka, p. 43.
  30. Shiham, F.S.M., Liyanage, G.Y. and Pathmalal, M.M. (2022) ‘Determination of removal efficiency of amoxicillin-resistant bacteria and amoxicillin-resistant genes from the conventional water treatment process in a hospital’, Proceedings of the 9th International Conference on Multidisciplinary Approaches, Sri Lanka, p. 44.
  31. Wijesekara, W.P.S.D., Pathmalal, M.M. and Idroos, F.S. (2022) ‘Contamination status of Escherichia coli in raw and cooked poultry meat’, Proceedings of the 9th International Conference on Multidisciplinary Approaches, Sri Lanka, p. 70.
  32. Liyanage, D., Sirisena, K., Liyanage, G.Y., and Manage, P.M. (2023) Screening of amoxicillin degradation by isolated amoxicillin-resistant bacteria’, Open University Research Sessions 2023 (OURS 2023), p. 103.
  33. Apsara, D., Wijerathna, P.A.K.C., Liyanage, G.Y. and Manage, P.M. (2024) ‘Detection of E. coli O-157 in polluted channels of Colombo District, Sri Lanka’, 28th International Forestry and Environment Symposium, Colombo, Sri Lanka, January (2024), p. 80.
  34. Parameshwaran, R., Liyanage, G.Y., Wijerathna, P.A.K.C. and Manage, P.M. (2024) ‘Characterization of compost and screening of antibiotic residues, antibiotic-resistant bacteria in commercially available compost in Sri Lanka’, 28th International Forestry and Environment Symposium, Colombo, Sri Lanka, January (2024), p. 82.
  35. Bandara, S.M.T.V., Wijerathna, P.A.K.C., Liyanage, G.Y. and Pathmalal, M.M. (2024) ‘Identification of E. coli O157 strain, Salmonella sp. and Shigella sp. in Negombo Lagoon, Sri Lanka’, 28th International Forestry and Environment Symposium, Colombo, Sri Lanka, January (2024), p. 61.
  36. Dehvanayagam, M.S.J., Sadeepa, H.D.D., Liyanage, G.Y. and Manage, P.M. (2024) ‘Isolation of endophytes with antimicrobial activity from selected indigenous medicinal plants against amoxicillin-resistant environmental bacteria’, 28th International Forestry and Environment Symposium, Colombo, Sri Lanka, January (2024), p. 29.
  37. Liyanage, D., Liyanage, G.Y., Sirisena, K. and Manage, P.M. (2024) ‘Optimizing environmental conditions for amoxicillin-resistant bacterial strain in the degradation of amoxicillin and exploring the degradation mechanism’, 28th International Forestry and Environment Symposium, Colombo, Sri Lanka, January (2024), p. 189.
  38. Bandara, S.M.T.V., Wijerathna, P.A.K.C., Liyanage, G.Y. and Pathmalal, M.M. (2024) ‘Detection of E. coli O157 and analysis of chemical parameters along the Sarakkuwa to Mirissa coastal belt in Sri Lanka’, 11th Ruhuna International Science & Technology Conference, University of Ruhuna, Matara, Sri Lanka, p. 15.
  39. Bandara, S.M.T.V., Wijerathna, P.A.K.C., Liyanage, G.Y. and Manage, P.M. (2024) ‘Amoxicillin (AMX) and ciprofloxacin (CPX) resistance of Salmonella spp. and Shigella spp. isolated from coastal/seawater from Negombo to Mirissa, Sri Lanka’, 9th International Symposium on Water Quality and Human Health: Challenges Ahead.
  40. Wijerathna, P.A.K.C., Liyanage, G.Y., Bandara, S.M.T.V. and Manage, P.M. (2024) ‘Virulence potential and antibiotic resistance of E. coli isolates from controlled open dump sites in Sri Lanka’, 9th International Symposium on Water Quality and Human Health: Challenges Ahead.
  41. Sewmi, J.A.G.V., Liyanage, G.Y., Wijerathna, P.A.K.C. and Manage, P.M. (2024) ‘Detection of antibiotic residues and characterization of antibiotic-resistant potential of bacteria in compost samples in Sri Lanka’, International Conference on Applied and Pure Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, p. 10.
  42. Meddage, A.K.M.M.K., Liyanage, G.Y., Idroos, F.S. and Manage, P.M. (2024) ‘Prevalence of antibiotic resistance in surface water, groundwater, and sediment in the transition zone of the Kelani River basin, Sri Lanka’, Proceedings of the International Conference on Applied and Pure Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, p. 32.
  43. Manage, P.M., Sewmi, J.A.G.V., Liyanage, G.Y. and Wijerathna, P.A.K.C. (2025) ‘Isolation of antibiotic-resistant bacteria, multiple antibiotic resistance index, and antibiotic resistance genes in compost from the Western Province of Sri Lanka’, Proceedings of the 29th International Forestry and Environment Symposium, Vol. 29. doi:10.31357/fesympo. v29.8131.
  44. Vaishnavi, A.K.M., Sewmi, J.A.G.V., Liyanage, G.Y. and Pathmalal, M.M. (2025) ‘Antibiotic resistance of penicillin-resistant bacteria in ornamental fish farms in Sri Lanka’, Proceedings of the 11th International Conference on Multidisciplinary Approaches (in press).
  45. Hilmiya, M.F., Liyanage, G.Y., Sewmi, J.A.G.V., Meddage, A.K.M.M.K. and Manage, P.M. (2025) ‘Biomimetic perspectives on antibiotic resistance: Gene screening of penicillin-resistant bacteria in river ecosystem’, Proceedings of the Second International Conference of the Biomimicry for Sustainability (ICBS), gapHQ, Colombo 07, Sri Lanka.
  46. Jayathma, T.H.H.E., Piyathilaka, M.A.P.C., Pilapitiya, A.R., Sewmi, J. A. G. V., Liyanage, G.Y., Pathmalal, M.M (2025, September) Screening of antibiotic resistance in probiotic bacteria for tetracycline group antibiotics in aquaculture practices in Sri Lanka. In Proceedings of 45th Annual Sessions of Institute of Biology, Sri Lanka.
  47. Manage, P. M., Kumara, S., Liyanage, G. Y., & Wijerathna, P. A. K. C. (2025, April). Screening and Quantification of Selected Penicillin Group Antibiotics (AMX, AMP, CLOX) and Resistant Bacteria in Solid Waste Dump Leachates. In Proceedings of International Forestry and Environment Symposium (Vol. 29). doi:10.31357/fesympo. v29.8134.
  48. Sewmi, J.A.G.V., Manage, P.M., Liyanage, G.Y (2025, October) Assessment of Antibiotic-Resistant Bacteria and Water Quality Parameters in Ornamental Fish Farms Across Different Operational Scales. In Proceedings of 6th International Conference on Pure and Applied Sciences.
  49. A.K.C. Wijerathna, G.Y. Liyanage, A.K.M.M.K. Meddage, and P.M. Manage. (2025), Prevalance and detection of antibiotic-resistant bacteria and antibiotic residuals in solid waste dump leachate in Sri Lanka, 10th International symposium on water quality and human health: challenges ahead, Peradeniya, Sri Lanka.
  50. A.G.V. Sewmi, P.M. Manage and G.Y. Liyanage. (2025), Assessment of antibiotic resistance in freshwater ornamental fish farms: implications for human and ecosystem health, 10th International symposium on water quality and human health: challenges ahead, Peradeniya, Sri Lanka.
  51. Y. Liyanage, P.M. Sadupama, and P.M. Manage. (2025), Fate of antibiotics in hospital wastewater, variability in treatment efficiency and environmental risk implications, 10th International symposium on water quality and human health: challenges ahead, Peradeniya, Sri Lanka.
  52. Favas, M.F., Abdul, M., Meddage, A.K.M.M.K., Wijerathna, P.A.K.C., Liyanage, G.Y., Sadupama, P.M. and Manage, P.M. (2026). Occurrence and Prevalence of Antibiotic-Resistant Bacteria in Landfill Leachate. 30th International Forestry and Environment Symposium. p. 60.
  53. Jayathilaka, M.T.S.N., Meddage, A.K.M.M.K., Wijerathna, P.A.K.C., Liyanage, G.Y., Sadupama, P.M., and Manage, P.M. (2026). Β-Lactam and Multi-Drug Resistance Profiling of Salmonella spp. and Shigella spp. Isolated from the Transitional Zone of the Kelani River, Sri Lanka. 30th International Forestry and Environment Symposium. p. 58.
  54. Madushika N.H., Liyanage G.Y., Munaweera I., Jayawardane P.A.P.G., and Manage P.M. (2026). Bacterial Biodegradation of Ciprofloxacin: An Environmentally Sustainable Approach for Antibiotic Removal. 12th International Conference on Multidisciplinary Approaches, Faculty of Graduate Studies, University of Sri Jayewardenepura, Sri Lanka. p. 92.
  55. Perera E.W.B.K., Meddage, A.K.M.M.K., Wijerathna, P.A.K.C., Liyanage, G.Y., Sadupama, P.M., and Manage, P.M. (2026). Surveillance of Antibiotic Resistance in Salmonella Spp. and Shigella Spp. from the Surface and Groundwater of Kelani River Basin, Sri Lanka. 30th International Forestry and Environment Symposium. p. 61.
  56. Perera G.R.S., Sewmi J.A.G.V., Manage P.M. and Liyanage G.Y. Comparative Analysis of Antibiotic resistance Profiles in Ornamental fish farms with varyinh operational scales. International Conferencen Marine Science and Sustainability 2026 (ICMSS 20266). p100.
  57. Samarakkody, A.H.A.1, Wijerathna, P.A.K.C.2, Meddage, A.K.M.M.K.2,3, Liyanage, G.Y.2,4, Sadupama, P.M.2,5, Manage, P.M.2 (2026). Evaluation of Amoxicillin, Cloxacillin, Cefotaxime, Ciprofloxacin, and Erythromycin Resistance in Escherichia coli Isolated from the Transition Zone of the Kelani River Basin. Proceedings of the 30th International Forestry and Environment Symposium 2026 of the Department of Forestry and Environmental Science, University of Sri Jayewardenepura, Sri Lanka. p. 98.
  58. Seneviratne, S.M., Meddage, A.K.M.M.K. Wijerathna, P.A.K.C. Liyanage, G.Y. Sadupama, P.M. Manage, P.M. (2026). Antibiotic Susceptibility Profiling of Escherichia coli Isolates from Inland Reservoirs against Selected Antibiotics. Proceedings of the 30th International Forestry and Environment Symposium 2026 of the Department of Forestry and Environmental Science, University of Sri Jayewardenepura, Sri Lanka. p. 59.
  59. Silva U.B.K., Sewmi J.A.G.V., liyanage G.Y., Meddage A.K.M.M.K., Adhikari P.A.A.S., Sandupama P.M. and Manage P.M. (2026). Prevalence and minimum inhibitory concentration profiling of Tetracycline- resistant bacteria in coastal waters of the Nothern and southern provinces of Sri Lanka. 12th International Conference on Multidisciplinary Approaches, Faculty of Graduate Studies, University of Sri Jayewardenepura, Sri Lanka.p. 121.
  60. Silva U.B.K., Sewmi J.A.G.V., liyanage G.Y., Meddage A.K.M.M.K., Adhikari P.A.A.S., Sandupama P.M. and Manage P.M. (2026). Prevalence and minimum inhibitory concentration profiling of Ciprofloxacin- resistant bacteria in coastal waters of the Nothern and southern provinces of Sri Lanka. 30th International Forestry and Environment Symposium. p. 161.
  61. Silva, U.B.K., Sewmi, J.A.G.V. Liyanage, G.Y. Meddage, A.K.M.M.K. Adhikari, P.A.A.S. Sadupama, P.M. Manage, P.M. (2026). Prevalence and Minimum Inhibitory Concentration Profiling of Ciprofloxacin-Resistant Bacteria in Coastal Waters of the Northern and Southern Provinces of Sri Lanka. Proceedings of the 30th International Forestry and Environment Symposium 2026 of the Department of Forestry and Environmental Science, University of Sri Jayewardenepura, Sri Lanka. p. 161.
SDGs 11 and 12 — 4. Microbial Solutions for Solid Waste Management and Circular Economy
  1. Welgama, A.C.D. and Manage, P.M. (2007). Microbiological study of well water quality near the garbage dumping site at Navinna. In Proceedings of the 63rd Annual Meeting of the Sri Lanka Association for the Advancement of Science, Sri Lanka, 3–8 December, paper 409/D, pp. 64–65.
  2. Ganegoda, S., Pathirage, S. and Manage, P.M. (2014) Contamination status of well water around Nawinna dumping site, Maharagama’, in Proceedings of the 18th Forestry and Environment Symposium, vol. 3, p. 47.
  3. Madusanka, H.G.L., Idroos, F.S. and Manage, P.M. (2018) ‘Treatment of leachate from Karadiyana dumping site using a laboratory-scale microbial fuel cell’, Proceedings of the 6th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 26.
  4. Lankani, U.G.M.I. and Manage, P.M. (2018) ‘Potential utilization of Eichhornia crassipes for compost production’, Proceedings of the 5th International Conference on Multidisciplinary Approaches, p. 36.
  5. Ramanayake, G.D., Udayanga, D., Nilmini, A.H.L., Undugoda, L.J.S., Nugara, N.N.R.N. and Manage, P.M. (2019) ‘Biodegradability of low-density polyethylene (LDPE) by fungi isolated from urban dump sites in Sri Lanka’, Proceedings of the 6th International Conference on Multidisciplinary Approaches, p. 19.
  6. Imanthi, K.P.A., Idroos, F.S. and Manage, P.M. (2019) Development of a third-generation biofuel source using cyanobacteria and landfill leachate’, Proceedings of the 6th International Conference on Multidisciplinary Approaches, p. 112.
  7. Serasinghe, D.S.W. and Manage, P.M. (2019) Isolation and identification of azamethiphos degrading bacteria from controlled solid waste dump site at Karadiyana, Colombo’, Proceedings of the 6th International Conference on Multidisciplinary Approaches, p. 117.
  8. Wijerathna, P.A.K.C. and Pathmalal, M.M. (2020) ‘Isolation and identification of effective and low-cost bacteria consortia for COD reduction of landfill leachate (a green solution for treating land filling leachate)’, 7th International Conference on Multidisciplinary Approaches, p. 26.
  9. Wijerathna, P.A.K.C., Sumaiya, F. and Idroos, Manage, P.M. (2021) Optimization of the bacterial consortium to reduce COD in solid waste leachate’, International Conference on Multidisciplinary Approaches in Science.
  10. Wijerathna, P.A.K.C., Sumaiya, F. and Idroos, Manage, P.M. (2021) ‘Isolation of bacteria to reduce chemical oxygen demand (COD) in solid waste leachate’, 9th International Symposium on Water Quality and Human Health: Challenges Ahead, University of Peradeniya.
  11. Jayathilake, K.M.P.I., Pathmalal, M.M. and Idroos, F.S. (2021) ‘Invasive aquatic plant biochar for the treatment of industrial wastewater: an innovative green approach’, 26th International Forestry and Environment Conference, University of Sri Jayewardenepura.
  12. Wijerathne, P.A.K.C., Idroos, F.S. and Manage, P.M. (2022) ‘Optimisation of bacteria consortium to reduce COD in landfill leachate; a step towards the green economy’, 6th International Research Conference, Uwa Wellassa University of Sri Lanka.
  13. Jayathilake K.M.P.I., Pathmalal M.M. and Idroos F.S., (2022) Invasive Aquatic Plant Biochar for the Treatment of Industrial Wastewater: An Innovative Green Approach. Proceedings of 26th International Forestry and Environment Symposium. University of Sri Jayewardenepura, Sri Lanka. pp. 51.
  14. Gunarathna, K.B.B., Wijerathna, P.A.K.C. and Manage, P.M. (2024) ‘Identification of Salmonella sp., Shigella sp. and pathogenic E. coli in dug wells water around the Karadiyana, Meethotamulla, and Kerawalapitiya open dump sites’, 28th International Forestry and Environment Symposium, Colombo, Sri Lanka, January (2024), p. 163.
  15. Wijerathna, P.A.K.C., Udayagee, K.P.P., Idroos, F.S. and Pathmalal, M.M. (2024) ‘Novel bacterial consortium for the reduction of composting odour emission and enhancing compost maturation rate in municipal solid waste’, Proceedings of 11th Ruhuna International Science & Technology Conference, University of Ruhuna, Matara, Sri Lanka, p. 19.
  16. Wijerathna, P.A.K.C., Udayagee, K.P.P., Idroos, F.S. and Pathmalal, M.M. (2024) ‘Rapid composting of municipal solid waste using novel bacterial consortium and evaluation of hydrolytic enzyme dynamics during composting’, 10th International Conference on Multidisciplinary Approaches, University of Sri Jayewardenepura, Nugegoda, Sri Lanka.
  17. Ravishani, B.P.R., Jayathilake, K.M.P.I., Manage, P.M. and Idroos, F.S. (2024) ‘Biochar derived from Pond Apple (Annona glabra) as a fertilizer to enhance crop yield: A sustainable approach’, 28th International Forestry and Environment Symposium, Colombo, Sri Lanka, January (2024), p. 219.
  18. Wijerathna, P.A.K.C., Udayagee, K.P.P., Idroos, F.S. and Pathmalal, M.M. (2024) ‘Rapid composting of municipal solid waste using novel bacterial consortium and evaluation of hydrolytic enzyme dynamic during composting’, 10th International Conference on Multidisciplinary Approaches, p. 104.
  19. Masoon, F.R., Wijerathna, P.A.K.C. and Pathmalal, M.M. (2024) ‘Preparation of a cost-effective bacterial consortium for the treatment of solid waste leachate’, 10th International Conference on Multidisciplinary Approaches, p. 60.
  20. Darshani, U.G.N.P., Manage, P.M. and Idroos, F.S. (2024) Development of biochar-based aerogel for efficient treatment of oil-contaminated water’, 9th International Symposium on Water Quality and Human Health: Challenges Ahead.
  21. Rathnapriya, R.H.K.G., Wijerathna, P.A.K.C. and Manage, P.M. (2024) ‘Isolation and characterization of native phosphate-solubilizing microorganisms from Eppawala rock phosphate and associated soil’, International Conference on Applied and Pure Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, p. 20.
  22. Wijerathna, P.A.K.C., Udayagee, K.P.P., Idroos, F.S. and Manage, P.M. (2024) ‘Quality index assessment for compost derived from municipal solid waste using novel bacterial consortia’, International Conference on Applied and Pure Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, p. 29.
  23. Jayathilake, K.M.P.I., Manage, P.M. and Idroos, F.S. (2024) ‘Isolation and characterization of nitrogen-fixing bacteria from compost soil and their impact on nitrogen uptake and plant growth’, Proceedings of the International Conference on Applied and Pure Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, p. 36.
  24. Jayathilake, K.M.P.I., Manage, P.M. and Idroos, F.S. (2024) ‘Isolation, characterization, and application of phosphate-solubilizing fungi as a biofertilizer for plant growth promotion’, Proceedings of the International Conference on Applied and Pure Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, p. 37.
  25. Sewmi, J.A.G.V., Liyanage, G.Y., Wijerathna, P.A.K.C. and Manage, P.M. (2024) ‘Quality assessment of municipal solid waste compost and commercially available compost in Sri Lanka’, Proceedings of the Postgraduate Institute of Science Research Congress, Sri Lanka, 1st–2nd November (2024), p. 05.
  26. Idroos, F.S., Jayathilake, K.M.P.I. and Manage, P.M. (2025) Development of Bacillus spp. consortia as phosphate-solubilizing biofertilizers to enhance plant growth: A sustainable agricultural approach’, Proceedings of the 29th International Forestry and Environment Symposium, Vol. 29.
  27. Jayathilake, K.M.P.I., Manage, P.M. and Idroos, F.S. (2025) ‘Enhancing plant growth through phosphate-solubilizing fungal consortia: A sustainable biofertilizer solution’, International Conference on Multidisciplinary Approaches, Faculty of Graduate Studies, University of Sri Jayewardenepura, Sri Lanka (in press).
  28. Wijerathna, P.A.K.C., Rathnapriya, R.H.K.G., Udayagee, K.P.P., Idroos, F.S. and Pathmalal, M.M. (2025) ‘Assessment of phytotoxicity of municipal solid waste compost prepared using bacterial consortia’, 11th International Conference on Multidisciplinary Approaches, Faculty of Graduate Studies, University of Sri Jayewardenepura, Sri Lanka (in press).
  29. Ravi K., Jayasinghe M.T., Liyange G.Y., Sewmi J.A.G.V., Meddage A.K.M.M.K., Sadupama, P.M., Manage, P.M. (2026). Identification of Anti-TB drug resistant environmental bacteria in selected solid waste dump sites in Sri Lanka; resistance profiling for Pyrazinamide and Isoniazid. 12th International Conference on Multidisciplinary Approaches, Faculty of Graduate Studies, University of Sri Jayewardenepura, Sri Lanka.p. 23.
SDGs 6, 12 and 14 — 5. Microbial Remediation of Industrial Wastewater and Chemical Pollution
  1. Manage, P.M. and Lawton, L.A. (2009) ‘BIOLOG MT2 plate as a tool to screen indigenous microflora for bioremediation of algal toxins’, in Proceedings of the 29th Annual Sessions of the Institute of Biology, Sri Lanka, 26 September.
  2. Thilakarathne, L., Manage, P.M. and Liyanage, J. (2012) Bioremediation of carbofuran by bacteria isolated from soil’, in Proceedings of the International Forestry and Environment Symposium.
  3. Idroos, F., Manage, P.M. and Silva, B.G.D.N.K. de (2014) ‘Bacteria as a remediation tool in the removal of hazardous peptides’, in Proceedings of the 2nd International South Asian Biodiversity Conference, p. 13.
  4. Ekanayake, M.S. and Manage, P.M. (2016) Isolation of textile dye decolorizing bacteria from environmental samples. In Proceedings of the 5th International Symposium on Challenges Ahead: Water Quality and Human Health, Postgraduate Institute of Science, University of Peradeniya, p. 25.
  5. Ekanayake, E.M.M.S. and Manage, P.M. (2016) Phytoremediation of textile dye (CI Direct Blue 201) by aquatic plants. In Proceedings of the 2nd Environment and Natural Resources International Conference, Thailand, p. 21.
  6. Ekanayake, E.M.M.S. and Manage, P.M. (2016) Optimization of isolated textile dye (CI Direct Blue 201) decolorizing bacteria. In Proceedings of the 21st International Forestry and Environment Symposium, p. 46.
  7. Idroos, F.S. and Manage, P.M. (2016) Removal of CI direct blue textile dye using coconut shell-based and bamboo-based granular activated carbon’, Proceedings of the 3rd International Conference on Multidisciplinary Approaches, p. 18.
  8. Ekanayake, E.M.M.S. and Manage, P.M. (2017) Removal of textile dye (CI Direct Blue 201) by fungi as a green environmental solution’, Proceedings of the 4th International Conference on Multidisciplinary Approaches, p. 163.
  9. Ekanayake, E.M.M.S. and Manage, P.M. (2018) ‘Isolation, identification and optimization of CI Direct Blue 201 textile dye decolorizing fungi from textile dye effluent in Sri Lanka’, Proceedings of the 6th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 27.
  10. Ekanayake, E.M.M.S. and Manage, P.M. (2018) ‘Remediation of CI Direct Blue 201 textile dye: a green solution through novel bacteria isolated from textile wastewater effluents in Sri Lanka’, Proceedings of the 5th International Conference on Multidisciplinary Approaches, p. 29.
  11. Ekanayake, E.M.M.S., Udayanage, D., Jayawardana, D.T. and Manage, P.M. (2018) Effectiveness of Aspergillus aculeatus on decolourization of a mixture of two different textile dye classes’, Proceedings of the 24th International Conference on Forestry and Environmental Sciences, p. 33.
  12. Ekanayake, E.M.M.S., Udayanga, D. and Manage, P.M. (2019) Application of newly developing bacterial consortium for decolourization of structurally different textile dyes’, Proceedings of the International Research Conference, Uwa Wellassa University (IRCUWU), p. 176.
  13. Ekanayake, E.M.M.S., Udayanga, D. and Manage, P.M. (2019) ‘Decolorization of a mixture of two textile dye classes using Alcaligenes faecalis isolated from textile wastewater effluent’, Proceedings of the International Symposium on Water and Air Pollution: Recent Trends in Research, p. 47.
  14. Ekanayake, E.M.M.S., Udayanga, D., Jayawardana, D.T. and Manage, P.M. (2019) Myco-remediation of textile wastewater and its reusability in irrigation’, Proceedings of the 25th International Conference on Forestry and Environmental Sciences, p. 12.
  15. Ekanayake, E.M.M.S., Udayanga, D., Wijesekara, I. and Manage, P.M. (2020) The fungal laccase activity of Curvularia sp. on the degradation of CI Direct Blue textile dye’, Proceedings of the 7th Ruhuna International Science and Technology Conference, p. 23.
  16. Ekanayake, E.M.M.S. and Manage, P.M. (2020) ‘Role of microbes isolated from the native environment in Sri Lanka on textile dye decolourization; put microbes on work’, Southeast Asian Regional Symposium on Microbial Ecology: Pokhara, Nepal, p. 34.
  17. Ekanayake, E.M.M.S. and Manage, P.M. (2020) ‘Phytoremediation of synthetic textile dye (direct blue 201) by Eichhornia crassipes (Mart.) Solms via bio-sorption and enzymatic degradation’, 7th PGIS Research Congress, University of Peradeniya.
  18. Ekanayake, M.S., Jayawardana, D. and Manage, P. (2022) ‘Effectiveness of combined treatment of adsorption and phytoremediation of a textile dye’, Proceedings of the Postgraduate Institute of Science Research Congress, Sri Lanka.
  19. Dharmasiri, R.B.N., Undugoda, L.J.S., Nilmini, A.H.L., Pathmalal,M.M., Nugara, N.N.R.N., Udayanga,D., (2022) Enzyme‐assisted Bioremediation Approach: Depolymerization of Anthracene by Phyllosphere Inhabiting Penicillium spp. International Conference on Innovation and Emerging Technologies ICIET, University of Sri Jayewardenepura, Sri Lanka. pp.127.
  20. Ekanayake, M.S., Hewawasam, C. and Pathmalal, M.M. (2022) ‘Decolorization of textile dyes by immobilized Aspergillus aculeatus’, 9th International Conference on Multidisciplinary Approaches Proceedings, Sri Lanka, pp. 39.
  21. Dharmasiri, R.B.N., Undugoda, L.J.S., Pathmalal, M.M. and Nugara, N.N.R.N. (2023) ‘Effect of air pollution on economic crisis: Green approach from bioremediation’, Multisectoral Approaches to Accelerate Economic Transformation in the Face of Crisis in Sri Lanka, p. 193.
  22. S.C.A.K. Withana, G.Y. Liyanage, S.A.S.C Samarasinghe, P.M. Manage. (2025), Immobilization of hydrocarbon degrading bacteria spores in floating alginate beads for enhanced waste oil removal from aquatic environments, 10th International symposium on water quality and human health: challenges ahead, Peradeniya, Sri Lanka.
SDGs 3, 6 and 14 — 6. Cyanotoxins, Harmful Algal Blooms and Aquatic Health
  1. Manage, P.M., Kawabata, Z., Nakano, S. and Ishii, N. (1998). Relationship between dynamics of Microcystis aeruginosa and cyanophages in a hypereutrophic pond. In Proceedings of the 63rd Annual Session of the Japanese Society of Limnology, Matsumoto, Japan, 20–23 September. Abstract Book, p. 129.
  2. Manage, P.M., Kawabata, Z., Nakano, S. and Nishibe, Y. (1999). Intensive monitoring of the abundance of algicidal bacteria and cyanophages during the senescence of Microcystis aeruginosa bloom in a hypereutrophic pond. In Proceedings of the 64th Annual Meeting of the Japanese Society of Limnology, Hikone, Shiga, Japan, 9–11 October.
  3. Nishibe, Y., Nakano, S., Manage, P.M. and Kawabata, Z. (1999). Dynamics of Microcystis-grazing biological community during the senescence of Microcystis blooms in a hypereutrophic pond. In Proceedings of the 64th Annual Meeting of the Japanese Society of Limnology, Hikone, Japan, 9–11 October. Abstract Book, p. 26.
  4. Manage, P.M., Kawabata, Z., Nakano, S.-I. and Nishibe, Y. (2000). Isolation and properties of the bacterium Alcaligenes denitrificans inhibiting the growth of Microcystis spp. In Proceedings of the 65th Annual Meeting of the Japanese Society of Limnology, Fukuoka, Japan, 15–17 September. Abstract Book, p. 70.
  5. Nishibe, Y., Nakano, S., Manage, P.M. and Kawabata, Z. (2001). Seasonal changes in abundance of Microcystis-grazing protists and their feeding habits in a hypertrophic pond. In Proceedings of the 65th Annual Meeting of the Japanese Society of Limnology, Fukuoka, Japan, 15–17 September. Abstract Book, p. 66.
  6. Manage, P.M., Kawabata, Z., Nakano, S.-I. and Nishibe, Y. (2000). Decomposition of the cyanobacterium Microcystis aeruginosa by cyanophages and algicidal bacteria. In Proceedings of the 10th International Symposium on River and Lake Environments (ISRLE), Pusan, Korea, 2–4 November.
  7. Nishibe, Y., Nakano, S., Manage, P.M. and Kawabata, Z. (2000). Seasonal changes in abundance of Microcystis-grazing protists and their feeding properties in a hypereutrophic pond. In Proceedings of the 10th International Symposium on River and Lake Environments (ISRLE), Pusan, Korea, 2–4 November.
  8. Nishibe, Y., Manage, P.M. and Nakano, S. (2001). Seasonal dynamics and feeding ecology of Microcystis-grazing protists. In Proceedings of the 66th Annual Meeting of the Japanese Society of Limnology, Fukuoka, Japan, 15–17 September. Abstract Book, p. 70.
  9. Manage, P.M., Edwards, C. and Lawton, L.A. (2007). Harnessing microbes in bioremediation of cyanotoxins. In Proceedings of the 161st International Meeting of the Society for General Microbiology, University of Edinburgh, UK.
  10. Manage, P.M., Edwards, C. and Lawton, L.A. (2008). Novel microcystin-LR degrading bacteria isolated from diverse surface freshwaters. In Proceedings of the Interdisciplinary Symposium on Environmental Sciences, Global COE Program, Ehime University, Japan, 11–13 November.
  11. Lawton, L.A., Edwards, C., Welgama, A., Manage, P.M. and Graham, D. (2008). Evaluation and exploitation of microbes in the elimination of cyanotoxins from water. In Proceedings of the AWWA Water Quality Technology Conference: “The Genius of Water”, Duke Energy Center, Cincinnati, OH, USA, 16–20 November.
  12. Manage, P.M. and Igalawithana, S.D. (2008). Control of Microcystis aeruginosa by heterotrophic flagellate (Polytomella sp.). In Proceedings of the International Symposium of Forestry and Environment Sciences, Kalutara, Sri Lanka, 27–28 December.
  13. Manage, P.M. (2008) ‘Rapid detection of microcystin in the field’, in Proceedings of the International Symposium of Forestry and Environment Sciences, Kalutara, Sri Lanka, 27–28 December.
  14. Manage, P.M. and Lawton, L.A. (2009) ‘Isolation and identification of novel microcystin-degrading actinobacteria from surface waters’, in Proceedings of the Interdisciplinary Symposium: Biological Response to Chemical Contaminants – From Molecular to the Community Level, Department of Biology, University of Aveiro, Portugal, 2–4 June.
  15. Welgama, A., Manage, P.M., Edwards, C. and Lawton, L.A. (2009). Putting microbes to work: bioremedial microcystin removal strategies for water purification. In Proceedings of the 163rd International Meeting of the Society for General Microbiology: Microbes to Work, University of Edinburgh Conference Centre, Heriot-Watt University, UK, 7–10 September.
  16. Wedage, W.S. and Manage, P.M. (2005). Hepatotoxic effect of Microcystis aeruginosa (PCC 7820) on Wistar rats. In Proceedings of the 25th Annual Sessions of the Institute of Biology, Sri Lanka, September, p. 49.
  17. Manage, P.M. and Premathilaka, M.M.S.N. (2006). Seasonal dynamics of algicidal bacteria and protozoa regulating Microcystis aeruginosa. In Proceedings of the 62nd Annual Meeting of the Sri Lanka Association for the Advancement of Science, Sri Lanka, 10–15 December, p. 191, paper 233/D.
  18. Premathilaka, M.M.S.N., Manage, P.M. and Wedage, W.S. (2006). Occurrence of heterotrophic bacteria causing lysis of Microcystis aeruginosa in Beira Lake, Sri Lanka. In Proceedings of the 26th Annual Session of the Institute of Biology, Sri Lanka, 29 September, p. 36.
  19. Igalawithana, S.D. and Manage, P.M. (2007). Degradation of the cyanobacterium Microcystis aeruginosa by predacious protozoa.In Proceedings of the 63rd Annual Meeting of the Sri Lanka Association for the Advancement of Science, Sri Lanka, 3–8 December, paper 411/D, p. 66.
  20. Manage, P.M. and Lawton, L.A. (2008). Bioremediation of microcystin in diverse water. In Proceedings of the National Annual Scientific Session on Ecological Medicine, University of Colombo, Sri Lanka, 25 October.
  21. Manage, P.M. (2008) ‘Rapid detection of microcystin in the field’, in Proceedings of the International Symposium of Forestry and Environment Sciences, Kalutara, Sri Lanka.
  22. Manage, P.M. and Edwards, C. (2008).A cost-effective and rapid method to analyse biodegradation of microcystins in natural waters, in Proceedings of the National Annual Scientific Session on Ecological Medicine, University of Colombo, Sri Lanka, 25 October.
  23. Premathilaka, M.M.S.N., Manage, P.M. and Igalawithana, S.D. (2008). Microbial control of Microcystis aeruginosa blooms in a hypereutrophic lake, in Proceedings of the 64th Annual Session of the Sri Lanka Association for the Advancement of Science, Sri Lanka, 1–6 December.
  24. Igalawithana, S.D. and Manage, P.M. (2008). Changes in microbial loop components during formation and decay of Microcystis aeruginosa bloom, in Proceedings of the 64th Annual Meeting of the Sri Lanka Association for the Advancement of Science, Sri Lanka, 1–6 December.
  25. Manage, P.M. (2009). Role of biological agents in regulating Microcystis aeruginosa in a hypereutrophic pond, in Proceedings of the First National Symposium on Natural Resource Management, Sabaragamuwa University of Sri Lanka, 29–30 August.
  26. Manage, P.M. and Nethmi, S. (2009). Bacterial control of Microcystis aeruginosa by Alcaligenes xylosoxidans isolated from Beira Lake, in Proceedings of the First National Symposium on Natural Resource Management, Sabaragamuwa University of Sri Lanka, 29–30 August.
  27. Sethunga, S. and Manage, P.M. (2009) ‘Killing of Microcystis aeruginosa by predacious protozoa’, in Proceedings of the First National Symposium on Natural Resource Management, Sabaragamuwa University of Sri Lanka, 29–30 August.
  28. Welgamage, A., Edwards, C., Lawton, L.A. and Manage, P.M. (2010) ‘Novel bacteria for removal of cyanotoxins from drinking water’, in Proceedings of the 8th International Conference on Toxic Cyanobacteria, Istanbul, Turkey, 2–9 September.
  29. Lawton, L.A., Edwards, C., Welgamage, A., Manage, P.M. and Graham, D. (2008) Evaluation and exploitation of microbes in eliminating cyanotoxins from water’, in Proceedings of the AWWA Water Quality Technology Conference, Cincinnati, USA, 18 November.
  30. Lawton, L.A., Edwards, C., Welgamage, A., Manage, P.M. and Graham, D. (2008) Evaluation and exploitation of microbes in eliminating cyanotoxins from water’, in Proceedings of the USEPA One-Day Symposium, Cincinnati, USA, 19 November.
  31. Welgamage, A., Manage, P.M., Edwards, C. and Lawton, L.A. (2009) ‘Putting microbes to work: bioremedial microcystin removal strategies for water purification’, in Proceedings of the Society for General Microbiology Autumn Meeting, Edinburgh, UK, 7–12 September.
  32. Welgamage, A., Manage, P.M., Edwards, C. and Lawton, L.A. (2008) Harnessing novel microbial strains for bioremediation of cyanotoxins’, in Proceedings of the Research Student Symposium, Robert Gordon University, Aberdeen, UK, 10 October.
  33. Welgamage, A., Manage, P.M., Edwards, C. and Lawton, L.A. (2008) ‘Novel microbial strains for bioremediation of microcystins and nodularin’, in Proceedings of the Scottish Microbiological Society, University of Glasgow, Scotland, 7 August.
  34. Manage, P.M. and Idroos, F.S. (2012) Contamination status of microcystin-LR and its destruction by microbes’, in Proceedings of the Centre for Environmental Justice, vol. 1.
  35. Piyathilaka, M.A.P.C. and Manage, P.M. (2012) Global occurrence of toxigenic cyanobacteria and their environmental and health effects’, in Proceedings of the Centre for Environmental Justice.
  36. Piyathilaka, P. and Manage, P.M. (2013) Evaluation of the impact of natural microcystin-LR extract on brine shrimp as an invertebrate bioassay model’, in Proceedings of the International Forestry and Environment Symposium.
  37. Hettiarachchi, I.U. and Manage, P.M. (2013) ‘Contamination status of algal toxins (microcystins) in selected water bodies in Sri Lanka’, in Proceedings of the Recent Developments Forestry and Environment Symposium, vol. 3, p. 49.
  38. Hettiarachchi, I.U. and Manage, P.M. (2014) ‘Cyanobacterial cell density and intracellular microcystin-LR levels in drinking and irrigation reservoirs in Anuradhapura, Sri Lanka’, in Proceedings of the 1st Environment and Natural Resources International Conference, p. 42.
  39. Hettiarachchi, I.U., Manage, P.M. and Jayesiriwardene, S.D. (2013) ‘Nuisance algae and cyanobacteria in selected water bodies in Sri Lanka’, in Proceedings of the 2nd International Symposium: Challenges Ahead – Water Quality and Human Health, Postgraduate Institute of Science, University of Peradeniya, Sri Lanka.
  40. Idroos, F.S., Welgamage, A., Manage, P.M., Edwards, C. and Lawton, L.A. (2013) ‘Development of an efficient extraction method to quantify microcystin-LR from natural Microcystis bloom samples from Colombo Lake, Sri Lanka’, in Proceedings of the 18th Forestry and Environment Symposium, vol. 3, p. 50.
  41. Piyathilaka, P., Manage, P.M., Tennekoon, K., De Silva, N. and Hettiarachchi, I.U. (2014) Cytotoxic effects of cyanobacterial extract containing microcystin-LR on human embryonic kidney (HEK 293) and human kidney adenocarcinoma (ACHN) cell lines’, in Proceedings of the International Conference on Multidisciplinary Approaches, p. 15.
  42. Piyathilaka, M.A.P.C., Manage, P.M., Tennekoon, K.H. and De Silva, B.G.D.N.K. (2014) ‘Comparative study of cytotoxic effects of microcystin-LR and crude cyanotoxin extract from Beira Lake cyanobacteria on human embryonic kidney (HEK 293) cell line’, in Proceedings of the 2nd International Conference of Frontiers in Molecular Life Sciences, Institute of Biochemistry, Molecular Biology and Biotechnology (IBMBB), Sri Lanka, p. 16.
  43. Piyathilaka, M.A.P.C., Manage, P.M., Tennekoon, K.H., De Silva, B.G.D.N.K., Samarakoon, S.R. and Sanmuganathan, S. (2014) ‘Cytotoxicity and apoptotic effects of microcystin-LR on human embryonic kidney (HEK 293) and human kidney adenocarcinoma (ACHN) cell lines’, in Proceedings of the 19th North American ISSX / 29th JSSX Meeting, San Francisco, CA, USA, p. 19.
  44. Idroos, F.S., Hettiarachchi, I.U. and Manage, P.M. (2014) Seasonal variation of microcystin-LR in relation to physicochemical parameters in Beira Lake waters’, in Proceedings of the International Conference on Multidisciplinary Approaches, p. 149.
  45. Dilrukshi, R.P.M., Rathnayake, U. and Manage, P.M. (2014) Evaluation of Cocos nucifera, Hevea brasiliensis and Bambusa sp.-based granular activated carbon for removal of microcystin-LR in water treatment’, in Proceedings of the 1st Environment and Natural Resources International Conference, p. 38.
  46. Hettiarachchi, I.U. and Manage, P.M. (2015) ‘Effects of harmful microcystin-LR on cyanobacterial diversity in selected water bodies in Sri Lanka’, in Proceedings of the 11th International Academic Conference on Development in Science and Technology (IACDST-2015), p. 16.
  47. Idroos, S.F., Manage, P.M. and De Silva, B.G.D.N.K. (2015) Optimisation of microcystin-LR degradation rates of isolated freshwater bacterial strains’, in Proceedings of the 4th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 36.
  48. Idroos, S.F. and Manage, P.M. (2015) Toxin producing cyanobacteria in Labugama and Kalatuwawa drinking water reservoirs. In Proceedings of the 20th International Forestry and Environment Symposium, Sri Lanka, p. 55.
  49. Idroos, F.S., Manage, P.M., De Silva, B.G.D.N.K. and Karunanayake, L. (2015) Development of a laboratory scale sand filter with Microcystin-LR degrading Bacillus cereus. In Proceedings of the 11th International Academic Conference on Development in Science and Technology (IACDST-2015), p. 45.
  50. Piyathilake, M.A.P.C., Manage, P.M., Tennekoon, K.H. and De Silva, B.G.D.N.K. (2015) Screening of selected drinking water bodies in Sri Lanka for the detection of their potential for production of cyanotoxin Microcystin using PCR. In Proceedings of the International Conference on Multidisciplinary Approaches, p. 212.
  51. Piyathilaka, M.A.P.C., Manage, P.M., Tennekoon, K.H. and De Silva, B.G.D.N.K. (2015) Molecular screening of some selected water bodies in Sri Lanka for Microcystin producing genotypes. In Proceedings of the 3rd International Conference of Frontiers to Molecular Life Sciences, IBMBB, Sri Lanka, p. 46.
  52. Piyathilake, M.A.P.C., Manage, P.M., Tennekoon, K.H. and De Silva, B.G.D.N.K. (2015) Comparative cytotoxicity of selected cyanotoxins on Human Embryonic Kidney (HEK-293) and Human Kidney Adenocarcinoma (ACHN) cells. In Proceedings of the 11th International Academic Conference on Development in Science and Technology (IACDST-2015), p. 34.
  53. Silva, D.B. and Manage, P.M. (2015) Removal of Microcystin-LR from drinking water using natural rutile sand. In Proceedings of the 4th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 33.
  54. Dharmadasa, P.S. and Manage, P.M. (2015) Degradation of Microcystin-LR by native bacteria. In Proceedings of the 4th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 95.
  55. Wijesekara, W.A.M.A. and Manage, P.M. (2015) Antibacterial activity of isolated cyanobacteria species Oscillatoria sp. In Proceedings of the 20th International Forestry and Environment Symposium, p. 52.
  56. Piyathilake, M.A.P.C., Manage, P.M., Tennekoon, K.H. and De Silva, B.G.D.N.K. (2016) Comparative cytotoxicity of selected cyanotoxins on Human Embryonic Kidney (HEK-293) and Human Kidney Adenocarcinoma (ACHN) cells. In Proceedings of WONCA SAR, Sri Lanka, p. 60.
  57. Wijesekara, W.A.M.A. and Manage, P.M. (2015) Antibacterial activity of isolated cyanobacteria species Oscillatoria sp.’, Proceedings of the 20th International Forestry and Environment Symposium, p. 52.
  58. Piyathilake, M.A.P.C., Manage, P.M., Tennekoon, K.H. and De Silva, B.G.D.N.K. (2016) ‘Comparative cytotoxicity of selected cyanotoxins on human embryonic kidney (HEK-293) and human kidney adenocarcinoma (ACHN) cells’, Proceedings of WONCA SAR, Sri Lanka, p. 60.
  59. Manage, P.M. (2016) Microbial control of toxin-producing cyanobacterium Microcystis aeruginosa in a hypereutrophic lake. In Proceedings of the International Conference on Green Technologies for Sustainable Ecosystems and Trade Show, India, p. 74.
  60. Idroos, F.S. and Manage, P.M. (2016) Effect of physico-chemical and biological parameters on the occurrence of Microcystin-LR and their destruction by microbes. In Proceedings of the 5th International Symposium on Challenges Ahead: Water Quality and Human Health, Postgraduate Institute of Science, University of Peradeniya, p. 42.
  61. Wijesekara, W.M.A. and Manage, P.M. (2016) In vitro screening of cytotoxicity, antioxidant and anti-inflammatory activities of the freshwater cyanobacterium Oscillatoria sp. In Proceedings of the 5th International Symposium on Challenges Ahead: Water Quality and Human Health, Postgraduate Institute of Science, University of Peradeniya, p. 41.
  62. Madushanka, D.A.T. and Manage, P.M. (2016) Optimizing a solvent system for lipid extraction from cyanobacteria. In Proceedings of the 5th International Symposium on Challenges Ahead: Water Quality and Human Health, Postgraduate Institute of Science, University of Peradeniya, p. 26.
  63. Piyathilake, M.A.P.C., Manage, P.M., Tennekoon, K.H. and De Silva, B.G.D.N.K. (2016) Microcystin-LR contamination status along with some physicochemical water quality parameters of five selected recreational water bodies in Sri Lanka. In Proceedings of the 2nd Environment and Natural Resources International Conference, Thailand, p. 24.
  64. Idroos, F.S. and Manage, P.M. (2016) Removal of Microcystin-LR by cellular extracts of Bacillus cereus. In Proceedings of the 2nd Environment and Natural Resources International Conference, Thailand, p. 26.
  65. Madushanka, D.A.T. and Manage, P.M. (2016) Potential utilization of Microcystis bloom for biodiesel production. In Proceedings of the 2nd Environment and Natural Resources International Conference, Thailand, p. 25.
  66. Idroos, F.S. and Manage, P.M. (2016) Elucidation of Microcystin-LR degrading mechanism of Bacillus cereus. In Proceedings of the 21st International Forestry and Environment Symposium, p. 90.
  67. Wijesekara, W.A.M.A., Wijeyaratne, W.M.D.N. and Manage, P.M. (2016) In vitro study on bio-removal of cadmium (Cd²⁺) by freshwater cyanobacterium Oscillatoria sp. and its isotherm. In Proceedings of the 21st International Forestry and Environment Symposium, p. 52.
  68. Piyathilake, M.A.P.C., Tennekoon, K.H., De Silva, B.G.D.N.K. and Manage, P.M. (2016) Microcystin contamination and potential of Microcystin production in major drinking water bodies in Sri Lanka. In Proceedings of the 21st International Forestry and Environment Symposium, p. 101.
  69. Wijesekara, W.A.M.A. and Manage, P.M. (2016) In vitro screening of antibacterial and antioxidant properties of freshwater cyanobacterium Lynbya sp.’, Proceedings of the 3rd International Conference on Multidisciplinary Approaches, p. 9.
  70. Wijesekara, W.A.M.A. and Manage, P.M. (2017) In vitro screening of antibacterial and phytochemical properties of hot water spring cyanobacterium Lynbya sp.’, NARA Scientific Sessions, p. 38.
  71. Wijeratne, P.K.D.K.B. and Manage, P.M. (2017) Accumulation status of microcystin-LR in cultured and natural samples of Oreochromis niloticus’, Proceedings of the 4th International Conference on Multidisciplinary Approaches, p. 161.
  72. Wijewickrama, G.M.M.K. and Manage, P.M. (2017) Accumulation status of microcystin-LR in Ipomoea aquatica plant tissues’, Proceedings of the 4th International Conference on Multidisciplinary Approaches, p. 159.
  73. Abeysiri, H.A.S.N. and Manage, P.M. (2017) Contamination of microcystin-LR in tilapia collected from selected reservoirs in Anuradhapura District’, Proceedings of the 4th International Conference on Multidisciplinary Approaches, p. 152.
  74. De Silva, I.U., Idroos, F.S. and Manage, P.M. (2017) ‘Occurrence of microcystin-LR producing toxigenic cyanobacteria and water quality parameters in Boralesgamuwa Lake’, Proceedings of the 4th International Conference on Multidisciplinary Approaches, pp. 34–35.
  75. Ganegoda, S., Chinthaka, S.D.M. and Manage, P.M. (2017) ‘Relationship between water quality parameters and geosmin contamination in water bodies in North Central and Eastern Provinces in Sri Lanka’, Proceedings of the International Research Symposium on Pure and Applied Sciences (IRSPAS), p. 7.
  76. Abeysiri, H.A.S.N. and Manage, P.M. (2017) ‘Microcystin-LR contamination status in Nile tilapia collected from selected reservoirs in Polonnaruwa District’, Proceedings of the International Research Symposium on Pure and Applied Sciences (IRSPAS), p. 8.
  77. Wijesekara, W.M.A. and Manage, P.M. (2017) ‘Isolation, purification and structure elucidation of active antibacterial compounds from freshwater cyanobacterium Lyngbya sp.’, Proceedings of the 22nd International Forestry and Environmental Symposium, p. 103.
  78. Wijeratne, P.K.D.K.B. and Manage, P.M. (2017) Biomarker response as an indicator for bioaccumulation of microcystin-LR in Oreochromis niloticus (Nile tilapia)’, Proceedings of the 22nd International Forestry and Environmental Symposium, p. 33.
  79. Ganegoda, S., Chinthaka, S.D.M. and Manage, P.M. (2017) ‘Cyanobacteria and geosmin: the influence of nitrogen versus phosphorus’, Proceedings of the 22nd International Forestry and Environmental Symposium, p. 89.
  80. Ganegoda, S., Chinthaka, S.D.M. and Manage, P.M. (2018) ‘Method optimization to detect geosmin in water by gas chromatography–mass spectrometry (GC–MS) using solid-phase microextraction (SPME)’, Proceedings of the 6th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 4.
  81. Bandara, K.R.V., Hettiarachchi, I.U. and Manage, P.M. (2018) ‘Microcystin contamination status of sediments in selected water bodies in Sri Lanka’, Proceedings of the 6th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 34.
  82. Wijesekara, W.A.M.A. and Manage, P.M. (2018) anti-inflammatory activities and nutrient content of four cyanobacteria species’, Proceedings of the 5th International Conference on Multidisciplinary Approaches, p. 165.
  83. Ganegoda, S.S., Chinthaka, S.D.M. and Manage, P.M. (2018) ‘Biodegradation of geosmin and 2-methylisoborneol by novel, native, Gram-negative bacteria in Sri Lanka’, Proceedings of the International Research Symposium on Pure and Applied Sciences (IRSPAS), p. 9.
  84. Idroos, F.S., Kottegoda, N. and Manage, P.M. (2018) Photocatalytic degradation of microcystin-LR using nanostructured rutile and coir fibre’, Proceedings of the International Research Symposium on Pure and Applied Sciences (IRSPAS), p. 153.
  85. De Silva, I.U. and Manage, P.M. (2018) ‘Screening of microcystin and microcystin-producing genes in Labugama and Kalatuwawa reservoirs in Sri Lanka’, Proceedings of the International Research Symposium on Pure and Applied Sciences (IRSPAS), p. 154.
  86. Ganegoda, S.S., Manage, P.M. and Chinthaka, S.D.M. (2018) ‘Determination of geosmin and 2-methylisoborneol removal at water treatment processes’, Proceedings of the International Conference on Forestry and Environmental Sciences, p. 120.
  87. Wijesekara, W.A.M.A. and Manage, P.M. (2018) Extraction of extracellular compounds from the freshwater cyanobacterium Oscillatoria sp. and screening their antibacterial activity against human pathogenic microbes’, Proceedings of the 24th International Conference on Forestry and Environmental Sciences, p. 80.
  88. Ganegoda, S.S., Manage, P.M. and Chinthaka, S.D.M. (2018) ‘Multivariate statistical analysis of geographical and seasonal patterns of geosmin in environmental water in Eastern Province’, Proceedings of the 7th Annual Science Research Sessions, p. 22.
  89. Ganegoda, S.S., Wijesekara, W.M.A., Chinthaka, S.D.M., Wanniarachchi, D.D.C. and Manage, P.M. (2019) ‘In vitro study on geosmin and 2-methylisoborneol producing four species of native cyanobacteria’, Proceedings of the International Research Conference, Uwa Wellassa University (IRCUWU), p. 295.
  90. Samaraweera, N.S., Silva, I.U.D. and Manage, P.M. (2019) ‘Microcystin-LR contamination status and some physicochemical water quality parameters of two selected urban lakes in Sri Lanka’, Proceedings of the International Symposium on Water and Air Pollution: Recent Trends in Research, p. 19.
  91. Wijesekara, W.A.M.A., Ganegoda, S. and Manage, P.M. (2019) ‘Vertical distribution of cyanobacteria, algae, cyanotoxin, geosmin and 2-methylisoborneol in Daduru Oya reservoir, Sri Lanka’, Proceedings of the International Symposium on Water and Air Pollution: Recent Trends in Research, p. 18.
  92. Abeysiri, H.A.S.N., Dilrukshi, K.T., Abinaiyan, I., Manage, S.P., Wanigasuriya, K., Suresh, T.S. and Manage, P.M. (2019) In vitro toxicity study of cylindrospermopsin on Wistar rats’, Proceedings of the 25th International Conference on Forestry and Environmental Sciences, p. 32.
  93. Imanthi, K.P.A., Idroos, F.S. and Manage, P.M. (2019) Microbial fuel cell: a new technology to generate power using cyanobacteria and wastewater’, Proceedings of the 25th International Conference on Forestry and Environmental Sciences, p. 52.
  94. Ganegoda, S., Manage, P.M. and Chinthaka, S.D.M. (2019) ‘Effect of total phosphorous, pH and electric conductivity on the seasonal occurrence of geosmin in some water bodies in Sri Lanka’, Proceedings of the 25th International Conference on Forestry and Environmental Sciences, p. 15.
  95. Abeysiri, H.A.S.N., Wanigasuriya, K. and Manage, P.M. (2019) Microcystin-LR contamination status of Nile tilapia and biomarker response’, Proceedings of the 4th International Symposium on Pure and Applied Sciences, p. 17.
  96. Ganegoda, S.S., Chinthaka, S.D.M. and Manage, P.M. (2019) ‘Cyanobacteria and 2-MIB; the influence of nitrogen and phosphorous’, Proceedings of the 4th International Symposium on Pure and Applied Sciences, p. 24.
  97. Ganegoda, S.S., Manage, P.M. and Chinthaka, S.D.M. (2019) Biodegradation of drinking water taste and odour causing compounds; geosmin and 2-MIB using native bacteria; bioremediation approach for a green solution’, Proceedings of the 6th International Conference on Multidisciplinary Approaches, p. 110.
  98. Abeysiri, H.A.S.N. and Manage, P.M. (2019) ‘Water quality, cyanobacteria and cyanotoxin contamination in some water bodies in Anuradhapura, Polonnaruwa, Ampara and Badulla districts, Sri Lanka’, Proceedings of the 7th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 53.
  99. Ganegoda, G.S.S. and Manage, P.M. (2020) Microbial degradation of geosmin’, Proceedings of the 7th Ruhuna International Science and Technology Conference, p. 25.
  100. Imanthi, K.P.A., Idroos, F.S. and Manage, P.M. (2020) ‘Microbes as a green energy source: development of a microbial fuel cell using cyanobacteria and wastewater’, Southeast Asian Regional Symposium on Microbial Ecology: Pokhara, Nepal, p. 31.
  101. Piyathilaka, P.C., Thennakoon, K.H., Samarakoon, S.R. and Manage, P.M. (2020) ‘PCR screening for the potential of toxigenicity and toxicity of cyanobacteria in Sri Lankan freshwater bodies’, Southeast Asian Regional Symposium on Microbial Ecology: Pokhara, Nepal, p. 32.
  102. Imanthi, K.P.A., Idroos, F.S. and Manage, P.M. (2020) Study of bioelectricity generation potential of a microbial fuel cell; utilizing domestic wastewater and cyanobacteria’, 7th International Conference on Multidisciplinary Approaches (ICMA), p. 130.
  103. Ganegoda, G.S.S. and Manage, P.M. (2020) ‘Genes responsible for the biosynthesis of geosmin and 2-MIB in laboratory cultured cyanobacteria’, 7th International Conference on Multidisciplinary Approaches (ICMA), p. 100.
  104. Abeysiri, H.A.S.N., Pathmalal, M.M., Wanigasuriya, K., Suresh, T.S. and Beneragama, D.H. (2020) ‘Effects of microcystin-LR on kidney and liver; a toxicological rat model assessment’, 7th International Conference on Multidisciplinary Approaches, p. 41.
  105. Abeysiri, H.A.S.N., Dilrukshi, K.T., Wanigasuriya, K., C.T. Perera and Manage, P.M. (2021) ‘Cytotoxic effect of Microcystin-LR, Microcystin-RR, Nodularin and Cylindrospermopsin on (Vero-89) kidney cell line’, 26th International Forestry and Environment Symposium, p. 46.
  106. Abeysiri, H.A.S.N., Wanigasuriya, K., Sugandika Suresh T., Benaragama, D.H. and Manage, P.M. (2021) ‘Renal-toxicity of cylindrospermopsin in Wistar rats’, Conference of the Postgraduate Institute of Science Research Congress, Sri Lanka: 29–31 October (2021), University of Peradeniya.
  107. Abeysiri, H.A.S.N., Wanigasuriya, K., Sugandika Suresh T., Benaragama, D.H. and Manage, P.M. (2021) ‘Hepatotoxicity of cylindrospermopsin in Wistar rats’, 8th International Conference on Multidisciplinary Approaches.
  108. Abeysiri, H.A.S.N., Manage, S.P., Wanigasuriya, K., Sugandika Suresh T., Benaragama, D.H. and Manage, P.M. (2021) Hepatotoxicity of Microcystin-LR in Wistar rats’, 26th International Forestry and Environment Symposium.
  109. Peduruarachchi, H.T., Liyanage, G.Y. and Manage, P.M. (2021) Biodegradation of the cyanotoxin cylindrospermopsin using Bacillus cereus’, International Conference on Multidisciplinary Approaches in Science.
  110. Peduruarachchi, H.T., Liyanage, G.Y. and Manage, P.M. (2021) Water quality and cylindrospermopsin contamination of surface water sources in North Central Province’, 9th International Symposium on Water Quality and Human Health: Challenges Ahead, University of Peradeniya.
  111. Peduruarachchi, H.T., Liyanage, G.Y. and Manage, P.M. (2021) Odor, taste and toxin producing cyanobacteria and algae in source waters in North Central Province’, 26th International Forestry and Environment Conference, University of Sri Jayewardenepura, p. 116.
  112. Manage, P.M., Abesekara, A.W.A.K.L. and Wijesinghe, L.P.R.J. (2021) ‘Algae, cyanobacteria, and water quality in selected drinking water bodies in the dry and wet zones of Sri Lanka’, 9th International Symposium on Water Quality and Human Health: Challenges Ahead, University of Peradeniya.
  113. Abeysiri H.A.S.N., Dilrukshi K.T., Perera I.C. and Pathmalal M.M. (2022) Cytotoxicity of Cylindrospermopsin, Microcystin-LR, Microcystin-RR and Nodularin on renal cells. Abstract; Proceedings of the Postgraduate Institute of Science Research Congress, Sri Lanka.
  114. Abeysiri H.A.S.N., Manage S.P., Kamani Wanigasuriya, Sugandika Suresh T., Benaragama D.H. and Manage P.M., (2022) Hepatotoxicity of Microcystin-LR in Wistar rats, 26th International Forestry and Environment Symposium, Sri Lanka. pp.31.
  115. Abeysiri H.A.S.N., Dilrukshi K.T., Kamani Wanigasuriya, C.T. Perera and Manage, P.M., (2022) Cytotoxic effect of Microcystin-LR, Microcystin-RR, Nodularin and Cylindrospermopsin on (Vero-89) kidney cell line, 26th International Forestry and Environment Symposium, Sri Lanka. pp.30.
  116. Imanthi, K.P.A., Pathmalal, M.M., Wanigasuriya, J.K.P., Perera, P.P.R. and Jayasundara, N. (2022) ‘Acute toxic effects of Microcystin-LR (MC-LR) on zebrafish (Danio rerio) embryos’, Proceedings of the 9th International Conference on Multidisciplinary Approaches, Sri Lanka, p. 41.
  117. Bandara, R.M.G.S.R., Pathmalal, M.M. and Wijayarathne, N.S. (2022) ‘Water quality, species composition and abundance of algae, cyanobacteria and zooplankton in Parliament Lake’, Proceedings of the 9th International Conference on Multidisciplinary Approaches, Sri Lanka, p. 48.
  118. Igalawithana, A.T., Pathmalal, M.M. and Wijesinghe, L.P.R.J. (2022) ‘Evaluation of the composition and abundance of algae and cyanobacteria in three reservoirs in Ampara District (Dry Zone), Sri Lanka’, Proceedings of the 9th International Conference on Multidisciplinary Approaches, Sri Lanka, p. 124.
  119. Abeysiri, H.A.S.N., Dilrukshi, K.T., Beneragama, D.H., Wanigasuriya, K. and 32Manage, P.M. (2022) ‘Assessment of cytotoxicity of Cylindrospermopsin, Microcystin-LR, Microcystin-RR and Nodularin on renal cells’, Postgraduate Institute of Science-Research, Sri Lanka, p. 29.
  120. Imanthi, K.P.A., Manage, P.M., Wanigasuriya, J.K.P., Perera, P.P.R. and Nishad, J. (2024) ‘Acute toxicity of cylindrospermopsin on zebrafish (Danio rerio) embryonic development’, Proceedings of 11th Ruhuna International Science and Technology Conference, Matara, Sri Lanka, p. 57.
  121. Liyanage, G.Y., Sadeepa, D. and Manage, P.M. (2024) ‘Screening the presence of cyanotoxin in selected reservoirs in Sri Lanka and utilizing molecular markers for an enhanced early warning system’, 9th International Symposium on Water Quality and Human Health: Challenges Ahead.
  122. Abhyankar, C., Imanthi, K.P.A. & Pathmalal, M.M. (2025) ‘Evaluating the toxic effects on zebrafish (Danio rerio) embryonic development using Microcystin crude extract from cyanobacterial bloom – Beira Lake, Sri Lanka’, Second International Scientific Conference SAAT-SL, January (2025), Colombo, Sri Lanka, p. 38.
  123. Ishadani, P.G.S., Piyathilaka, M.A.P.C., Liyanage, G.Y., Pilapitiya, A.R., Manage, P.M (2025, September) Isolation of algicidal bacteria from Beira Lake to control bloom-forming Microcyctis aeruginosa.In Proceedings of 45th Annual Sessions of Institute of Biology, Sri Lanka.
  124. Arachchi, G.J.B., Jayasinghe, M.T., Ravi, K., Sewmi, J.A.G.V., Liyanage, G.Y., Sadupama, P.M. and Manage, P.M. (2026). Morphological and Molecular Characterization of Microcystin-Lr Producing Cyanobacteria in Beira and Boralesgamuwa Lakes, Sri Lanka. 30th International Forestry and Environment Symposium. p. 162.
SDGs 6, 14 and 15 — 7. Water Quality, Aquatic Pollution and Environmental Monitoring
  1. Nakano, S., Manage, P.M., Ishii, N., Yagi, A., Okamoto, K., Ohshima, A., Nishii, K., Nishibe, Y., Ueki, M., Hirose, M. and Kawabata, Z. (2000). Microbial interaction in a hyper-eutrophic pond. In Proceedings of the 10th International Symposium on River and Lake Environments (ISRLE), Pusan, Korea, 2–4 November.
  2. Manage, P.M. and Kawabata, Z. (2008) ‘Suppression of algal biomass by cavitation treatment’, in Proceedings of the International Symposium of Forestry and Environment Sciences, Kalutara, Sri Lanka, 27–28 December.
  3. Kanthilatha, W.S.P.Y.N., Yasawardene, S.G., Manage, P.M. and Adhikari, G. (2007). Reconstruction of stature from fragmented skeletal remains of a prehistoric population at Bellan-Bandi Palassa, Sri Lanka. In Proceedings of the 63rd Annual Meeting of the Sri Lanka Association for the Advancement of Science, Sri Lanka, 3–8 December, paper 429/D, p. 79.
  4. Kanthilatha, W.S.P.Y.N., Yasawardene, S.G., Manage, P.M. and Adhikari, G. (2008). Comparison of stature of Bellan-Bandi Palassa Man with historic, Vedda and present populations, in Proceedings of the 2nd Research Conference of the Royal Asiatic Society of Sri Lanka, Colombo, Sri Lanka, 28–29 March.
  5. Kanthilatha, W.S.P.Y.N., Yasawardene, S.G., Manage, P.M. and Adhikari, G. (2008) Balangoda Man: reconstruction from fossils of Bellan-Bandi Palassa, a Mesolithic heritage site in Sri Lanka, in Proceedings of the International Conference of Social Sciences (ICSSL), University of Kelaniya, Sri Lanka, 18–20 July.
  6. Kanthilatha, W.S.P.Y.N., Yasawardene, S.G., Manage, P.M. and Adhikari, G. (2008) Reanalysis of the minimum number of individuals at Bellan-Bandi Palassa prehistoric site using skeletal remains, in Proceedings of the 64th Annual Session of the Sri Lanka Association for the Advancement of Science, Sri Lanka, 1–6 December, paper 445/D, p. 117.
  7. Hapuarachchi, D.P., Ratnayake, N., Manatunge, J.M.A. and Manage, P.M. (2009) Improving the performance of unit operations of water treatment plants using irrigation tanks as source’, in Proceedings of the International Symposium of Exchange on Sustainable Development of Asia.
  8. Rathnasiri, S. and Manage, P.M. (2012) ‘Evaluation of water quality in five Grama Divisions of Maharagama urban area using Water Quality Index’, in Proceedings of the 17th International Symposium in Environmental Sciences, University of Sri Jayewardenepura, Sri Lanka.
  9. Sethunge, S., Manage, P.M. and Jayasinghe, S. (2012) Microstrainer for removal of algae in drinking water treatment’, in Proceedings of the International Forestry and Environment Symposium.
  10. Mahagamage, M.G.Y.L., Chinthaka, S.D.M. and Manage, P.M. (2013) Chemical and microbial contamination status of groundwater quality in the Kelani River Basin’, in Proceedings of the 18th International Forestry and Environment Symposium, p. 212.
  11. Hettiarachchi, I.U., Sethunga, S. and Manage, P.M. (2013) ‘Challenges ahead: water quality and human health’, in Proceedings of the 2nd International Symposium, Postgraduate Institute of Science, University of Peradeniya, Sri Lanka, March.
  12. Idroos, F.S. and Manage, P.M. (2012) ‘Aquatic health assessment of Bolgoda Canal and Waga Stream, Sri Lanka’, in Proceedings of the 17th Forestry and Environmental Science Symposium, vol. 2, p. 13.
  13. Mahagamage, M.G.Y.L. and Manage, P.M. (2014) CCME water quality index-based assessment of water quality in the Kelani River Basin’, in Proceedings of the 1st Environment and Natural Resources International Conference, p. 9.
  14. Liyanage, Y. and Manage, P.M. (2014) Isolation and characterization of oil-degrading bacteria from coastal water and sediments’, in Proceedings of the 19th International Forestry and Environment Symposium, p. 129.
  15. Liyanage, Y. and Manage, P.M. (2014) ‘Effects of environmental factors on oil-degrading bacteria from coastal water and sediments in Sri Lanka’, in Proceedings of the 19th International Forestry and Environment Symposium, p. 130.
  16. Mahagamage, M.G.Y.L. and Manage, P.M. (2015) ‘Application of CCME water quality index in assessing groundwater quality in the Kelani River Basin, Sri Lanka’, in Proceedings of the 4th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 6.
  17. Mahagamage, M.G.Y.L. and Manage, P.M. (2015) Assessment of seasonal variation in groundwater quality of the Kelani River Basin using multivariate analysis’, in Proceedings of the International Conference on Multidisciplinary Approaches, p. 234.
  18. Mahagamage, M.G.Y.L. and Manage, P.M. (2015) Mapping spatial distribution of groundwater quality parameters in the Kelani River Basin using GIS’, in Proceedings of the 11th International Academic Conference on Development in Science and Technology (IACDST-2015), p. 10.
  19. Silva, I.U., Rajapaksha, S.W. and Manage, P.M. (2015) ‘Seasonal variation of water quality status of Menik Ganga, Kataragama, Sri Lanka’, in Proceedings of the 4th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 7.
  20. Ganegoda, G.S.S., Manage, P.M. and Pathirage, S. (2015) Evaluation of well water quality in Maharagama with special emphasis on Principal Component Analysis (PCA). In Proceedings of the 4th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 10.
  21. Silva, D.B. and Manage, P.M. (2015) Removal of carbofuran from drinking water using natural rutile. In Proceedings of the 20th International Forestry and Environment Symposium, p. 109.
  22. Dharmadasa, P.S. and Manage, P.M. (2015) Degradation potential of diesel and gasoline by three native bacteria in Sri Lanka. In: Proceedings of the 20th International Forestry and Environment Symposium, p. 52.
  23. Manage, P.M. and Liyanage, G.Y. (2015) Isolation of hydrocarbon-degrading bacteria from groundwater contaminated with crude oil in Jaffna, Sri Lanka. In Proceedings of the 4th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 35.
  24. Liyanage, G.Y. and Manage, P.M. (2015) Detection of microbial degradation of natural rubber latex by isolated native bacteria in Sri Lanka. In Proceedings of the 20th International Forestry and Environment Symposium, p. 37.
  25. Mahagamage, M.G.Y.L., Chinthaka, S.D.M. and Manage, P.M. (2016) Assessment of groundwater pollution by heavy metals in the Kelani River Basin, Sri Lanka. In Proceedings of the 5th International Symposium on Challenges Ahead: Water Quality and Human Health, Postgraduate Institute of Science, University of Peradeniya, p. 46.
  26. Mahagamage, M.G.Y.L., Pathirage, S. and Manage, P.M. (2016) Microbiological quality in groundwater of the Kelani River Basin, Sri Lanka. In Proceedings of the 25th Annual Scientific Session of the Sri Lanka College of Microbiologists, pp. 28–29.
  27. Mahagamage, M.G.Y.L., Chinthaka, S.D.M. and Manage, P.M. (2016) Pesticides contamination status of ground and surface water in selected head and transitional regions of the Kelani River Basin, Sri Lanka. In Proceedings of the 21st International Forestry and Environment Symposium, p. 114.
  28. Manage, L.R., Gunarathna, C.P. and Manage, P.M. (2016) ‘Risk of pharmaceutical contaminations; cloxacillin contamination and prevalence of cloxacillin resistant bacteria in environmental samples’, Pharmaceutical Journal of Sri Lanka, 6(1), p. 48.
  29. Mahagamage, M.G.Y.L., Pathirage, S. and Manage, P.M. (2016) ‘Seasonal variation in the dispersion of pathogenic bacteria and some chemical parameters in surface water of the Kelani River basin, Sri Lanka’, Proceedings of the 3rd International Conference on Multidisciplinary Approaches, p. 5.
  30. Wijesinghe, M.G.K.D., Kumara, K.G.N.P., Wijesekara, W.M.A. and Manage, P.M. (2017) ‘In vitro screening of antibacterial and antifungal activities of fungi isolated from soil’, Pharmaceutical Journal of Sri Lanka.
  31. Mahagamage, M.G.Y.L., Chinthaka, S.D.M., Pathirage, S. and Manage, P.M. (2017) Effect of catchment characteristics, anthropological activities and industrial discharges on ground and surface water quality in Kelani River Basin’, Proceedings of the SLAYS Forum (2017).
  32. Mahagamage, M.G.Y.L. and Manage, P.M. (2017) ‘Sociological characteristics and water management in Kelani River basin’, Proceedings of the 23rd Annual Scientific Sessions of the Sri Lanka Association for Fisheries and Aquatic Resources, p. 14.
  33. Mahagamage, M.G.Y.L. and Manage, P.M. (2017) Water quality and microbial contamination status of Madawachchiya, Padaviya and Kebathigollewa areas in Anuradhapura District’, NARA Scientific Sessions, p. 45.
  34. Mahagamage, M.G.Y.L., Pathirage, S. and Manage, P.M. (2017) ‘Seasonal variation of pathogenic bacteria and groundwater quality of the Kelani River Basin, Sri Lanka’, Proceedings of the 4th International Conference on Multidisciplinary Approaches, p. 172.
  35. Ganegoda, S., Chinthaka, S.D.M. and Manage, P.M. (2017) Method optimization to detect 2-MIB in water by GC-MS using solid phase microextraction’, Proceedings of the 4th International Conference on Multidisciplinary Approaches, p. 160.
  36. Wijesekara, W.M.A., Wijesinghe, K.A., Kumara, K.G.N.P. and Manage, P.M. (2017) Isolation, purification and structure elucidation of antimicrobial and bioactive compounds from soil fungi’, Proceedings of the International Research Symposium on Pure and Applied Sciences (IRSPAS), p. 49.
  37. Mahagamage, M.G.Y.L., Abinaiyan, I. and Manage, P.M. (2017) ‘Physico-chemical and pathogenic contamination status of groundwater in the Kilinochchi District, Sri Lanka’, Proceedings of the 22nd International Forestry and Environmental Symposium, p. 91.
  38. Mahagamage, M.G.Y.L. and Manage, P.M. (2017) ‘Water quality and Salmonella spp. contamination status of groundwater in Medirigiriya, Polonnaruwa District, Sri Lanka’, Proceedings of the 22nd International Forestry and Environmental Symposium, p. 95.
  39. Ekanayake, E.M.M.S., Manage, P.M. and Liyanage, G.Y. (2017) Isolation of fungi as biological control agents against water hyacinth (Eichhornia crassipes)’, Proceedings of the 22nd International Forestry and Environmental Symposium, p. 98.
  40. Wijesekara, W.A.M.A. and Manage, P.M. (2018) Purification, characterization and structure elucidation of the active antibacterial compound of Chroococcus sp.’, Proceedings of the 6th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 12.
  41. Mahagamage, M.G.Y.L., Chinthaka, S.D.M. and Manage, P.M. (2018) ‘Assessment of surface water pollution by heavy metals in the Kelani River Basin, Sri Lanka’, Proceedings of the 6th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 30.
  42. Mahagamage, M.G.Y.L., Manage, P.S. and Manage, P.M. (2018) ‘Microbial contamination and water quality status of groundwater in Jaffna Peninsula, Sri Lanka’, Proceedings of the 6th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 33.
  43. Wijesekara, W.A.M.A. and Manage, P.M. (2018) Isolation and characterization of active antibacterial compounds from seaweed’, Proceedings of the International Conference on Health Sciences, p. 32.
  44. Mahagamage, M.G.Y.L. and Manage, P.M. (2018) Spatial and temporal distribution of water quality parameters of surface water in the Kelani River Basin using GIS’, Proceedings of the 5th International Conference on Multidisciplinary Approaches, p. 31.
  45. Manage, P.M., Abinaiyan, I. and Mahagamage, M.G.Y.L. (2018) ‘A study of water quality in groundwater and surface ponds in Jaffna District’, Proceedings of the 24th International Conference on Forestry and Environmental Sciences, p. 107.
  46. Jayawardene, [initials], Manage, P.M. and Weerasekara, K.A.W.S. (2018) ‘Identification of harmful marine microalgae with special reference to physico-chemical aspects of coastal waters in Western Province, Sri Lanka’, Proceedings of the 24th International Conference on Forestry and Environmental Sciences, p. 61.
  47. Mahagamage, M.G.Y.L., Abinaiyan, I. and Manage, P.M. (2019) ‘Contamination status of pathogenic bacteria and water quality of groundwater in Angunukolapelessa, Sri Lanka’, Proceedings of the International Research Conference, Uwa Wellassa University (IRCUWU), p. 205.
  48. Abinaiyan, I., Amerasinghe, P.H., Mahagamage, M.G.Y.L. and Manage, P.M. (2019) ‘Physicochemical and microbiological characteristics of ground and surface water in Puttalam area, Sri Lanka’, Proceedings of the International Symposium on Water and Air Pollution: Recent Trends in Research, p. 23.
  49. Samadhi, Y. and Manage, P.M. (2019) Screening of in vitro antioxidant activity of seaweed, Hypnea museifornis’, Proceedings of the 25th International Conference on Forestry and Environmental Sciences, p. 21.
  50. Weerasinghe, W.M.L.I., Madusanka, D.A.T. and Manage, P.M. (2019) Isolation of cellulose producing bacteria; future perspective for bio-ethanol production’, Proceedings of the 25th International Conference on Forestry and Environmental Sciences, p. 18.
  51. Serasinghe, D.S.W. and Manage, P.M. (2019) Determination of the insecticide azamethiphos in water and soil using high-performance liquid chromatography’, Proceedings of the 25th International Conference on Forestry and Environmental Sciences, p. 32.
  52. Ekanayake, E.M.M.S. and Manage, P.M. (2019) ‘Decolourization and detoxification of real textile wastewater by the isolated bacterium Micrococcus luteus’, Proceedings of the Rajarata International Research Conference.
  53. Ekanayake, E.M.M.S., Udayanga, D. and Manage, P.M. (2019) In-vitro application of mixed fungal consortium for decolourization of azo dyes’, Proceedings of the 6th International Conference on Multidisciplinary Approaches, p. 23.
  54. Ganegoda, S.S., Chinthaka, S.D.M. and Manage, P.M. (2019) ‘Evaluation of 2-MIB levels in Sri Lankan water bodies with special emphasis on principal component analysis (PCA)’, Proceedings of the 7th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 10.
  55. Athauda, A.M.N., Abinaiyan, I. and Manage, P.M. (2019) Effects of catchment characteristics land use practices on surface water quality in Yan Oya river basin’, Proceedings of the 7th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 14.
  56. Ekanayake, E.M.M.S., Liyanage, G.Y., Mahagamage, M.G.Y.L. and Manage, P.M. (2019) ‘Invasion of water hyacinth (Eichhornia crassipes) in selected irrigation tanks in Sri Lanka’, Proceedings of the 7th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 20.
  57. Ekanayake, E.M.M.S., Hewawasam, C., Wijesekara, I. and Manage, P.M. (2019) ‘Isolation of laccase producing fungi for decolourization of azo dyes’, Proceedings of the 7th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 32.
  58. Liyanage, G.Y. and Manage, P.M. (2019) ‘Screening and quantification of oil and grease in selected harbours and lagoons in Sri Lanka’, Proceedings of the 7th International Symposium on Water Quality and Human Health: Challenges Ahead, p. 44.
  59. Dharmasiri, R.B.N., Nilmini, A.H.L., Undugoda, L.J.S., Nugara, N.N.R.N. and Manage, P.M. (2020) ‘Anthracene degrading ability of phyllosphere inhabiting Bacillus sp. bacteria in Sri Lanka’, Southeast Asian Regional Symposium on Microbial Ecology: Pokhara, Nepal, p. 51.
  60. Ramanayake, G.D., Udayanga, D., Nilmini, A.H.L., Undugoda, L.J.S., Nugara, N.N.R.N. and Manage, P.M. (2020) Biodegradability of low-density polyethylene (LDPE) by soil fungus Talaromyces purpureogenus isolate SJP-GF085’, 7th PGIS Research Congress, University of Peradeniya.
  61. Silva, R., Nugara, N.N.R.N., Manage, M., Undugoda, L., Udayanga, D. and Nilmini, R. (2020) ‘Phytochemical screening, qualitative analysis and cytotoxic potential of Hemidesmus indicus leaves extract in vitro’, 7th PGIS Research Congress, University of Peradeniya.
  62. Weerasinghe, W.M.L.I., Madusanka, D.A.T. and Pathmalal, M.M. (2020) A comparison of three selected bio-processing methods in ethanol production: a potential green solution for the future energy crisis’, 7th PGIS Research Congress, University of Peradeniya.
  63. Athauda, N., Ilango, A., Liyanage, G.Y., Kodippili, N.P. and Manage, P.M. (2020) Study on spatial and temporal variation of water quality of the Yan Oya River basin’, 7th PGIS Research Congress, University of Peradeniya.
  64. Silva, A.B.W.R., Nugara, N.N.R.N., Pathmalal, M.M., Undugoda, L., Udayanga, D. and Nilmini, R. (2020) ‘Phytochemical screening, quantitative analyses and cytotoxic potential of Aerva lanata leaves extracts in vitro’, 7th International Conference on Multidisciplinary Approaches (ICMA), p. 124.
  65. Silva, A.B.W.R., Nugara, N.N.R.N., Manage, P.M., Undugoda, L.J.S., Udayanga, D. and Nilmini, A.H.L.R. (2021) ‘Phytochemical screening, quantitative analyses and in vitro cytotoxic potential of Averrhoa bilimbi leaves extracts’, Annual Research Symposium, University of Colombo, Sri Lanka.
  66. Silva, A.B.W.R., Nugara, N.N.R.N., Manage, P.M., Undugoda, L.J.S., Udayanga, D. and Nilmini, A.H.L.R. (2021) Phytochemical screening, quantitative analysis and in vitro cytotoxic potential of Justicia adhatoda leaf extracts’, International Research Conference, Uwa Wellassa University, Badulla.
  67. Peiris, B.A.D., Maddumage, M.D.S.R., Manage, P.M., Narangoda, S.R.C.N.K. and Amarathunga, A.A.D. (2021) ‘The diversity and seasonal abundance of benthic macroinvertebrates in the Hamilton Canal concerning water quality’, International Conference of Environmental Governance, Colombo.
  68. Ganepola, G.A.P.R., Bandara, K.R.V. and Manage, P.M. (2021) ‘Diversity and distribution of marine macroalgae at Dickwella, Bathigama algal bed in southern Sri Lanka’, 26th International Forestry and Environment Symposium, The University of Sri Jayewardenepura, p. 135.
  69. Chandrasiri, Y.S., Weerasinghe, W.M.L.I., Madusanka, D.A.T. and Pathmalal, M.M. (2021) ‘Assessment of physiochemical properties of ethanol-diesel fuel blends’, International Conference on Multi-Disciplinary Approaches (iCMA), University of Sri Jayewardenepura, Sri Lanka, 22–23 November (2021).
  70. Imanthi, K.P.A., Wanigasuriya, J.K.P. and Manage, P.M. (2021) ‘Effect of pH on early embryo development of zebrafish (Danio rerio)’, Conference of the Postgraduate Institute of Science Research Congress, University of Peradeniya, Sri Lanka, 29–31 October (2021).
  71. Manage, P.M., Abinaiyan, I., Liyanage, G.Y., Madusanka, D.A.T. and Madushanka, G.C. (2021) ‘Water quality and microbial contamination status of west-south coastal waters in Sri Lanka’, International Conference on Multidisciplinary Approaches in Science.
  72. Peiris, B.A.D., Maddumage, M.D.S.R. and Pathmalal, M.M. (2021) ‘Species diversity and abundance of plankton and benthos along the Hamilton Canal’, 7th Symposium of Uni-In Alliance.
  73. Ranasinghe, R.A.S.N., Wijesekara, W.L.I., Perera, P.R.D., Senanayake, S.A., Pathmalal, M.M. and Marapana, R.A.U.J. (2021) ‘Proximate compositions of four different jellyfish species collected from Sri Lanka’, 3rd Research Symposium of the Ocean University of Sri Lanka, 17 November (2021).
  74. Jayathilake, K.M.P.I., Pathmalal, M.M. and Idroos, F.S. (2021) ‘Development of a biochar-based laboratory scale filter for industrial wastewater treatment’, International Conference on Multidisciplinary Approaches in Science.
  75. Abeyrathne, P.A.B.P., Liyanage, G.Y., Chinthaka, S.D.M. and Manage, P.M. (2022) ‘Water quality and microbial contamination status of ground and surface water in Anuradhapura District in Sri Lanka’, 6th International Research Conference, Uwa Wellassa University of Sri Lanka.
  76. Prasasthi M.A.A., Pathmalal M.M., Epasinghe E.D.M. and Idroos F.S. (2022) Zootechnical performances of different carbon sources on bio floc microbial composition and effective water quality of Tilapia (Oreochromis mossambicus) culture systems. Abstract proceedings of National Aquatic Resources Research and Development Agency (NARA), Scientific Sessions (2022).
  77. Dharmasiri R.B.N., Nilmini A.H.L., Undugoda L.J.S., Nugara N.N.R.N. and Udayanga D., Manage, P.M., (2022) Degradation of Anthracene by Phyllosphere Bacterium Bacillus velezensis and Its’ Kinetic Aspects International Research Conference PGIS RESCON-2022 University of Peradeniya Sri Lanka, pg140.
  78. Ganepola G.A.P.R., Bandara K.R.V. and Manage P.M., (2022) Diversity and Distribution of Marine Macro Algae at Dickwella, Bathigama Algal Bed in Southern Sri Lanka. Published to be the Conference of 26th International Forestry and Environment. University of Sri Jayewardenepura, Sri Lanka. pp.135.
  79. Thivijan, S., Undugoda L.J.S., Nugara N.N.R.N., Bandara P.C., Manage, P.M., (2022) Isolation of Indigenous Wine Fermenting Microbes from Sri Lankan Grape Varieties for Wine Fermentation, Faculty of Technology, International Conference on Innovation and Emerging Technologies, University of Sri Jayewardenepura, Sri Lanka. pp.86.
  80. Pavalakumar D., Undugoda L.J.S., Pathmalal M.M., Nugara R.N., (2022) Physicochemical characterization of the natural tender coconut (Cocus nucifera L. var. Nana) water collected from different districts in Sri Lanka, Proceedings of the 9th International Conference on Multidisciplinary Approaches, Sri Lanka. pp.110.
  81. Hewapanne, J.C., Pathmalal, M.M., Gunasekara, T.D. and Karunanayake, L. (2022) ‘Development of a tannin-based polymer material for microalgae harvesting’, Proceedings of the 9th International Conference on Multidisciplinary Approaches, Sri Lanka, p. 46.
  82. Abeysiri, H.A.S.N., Kahatapitiya, T.D., Perera, I.C., Wanigasuriya, J.K.P., Beneragama, D.H. and Pathmalal, M.M. (2022) ‘Nodularin-induced cytotoxicity and apoptosis in Vero renal cell line’, Proceedings of the 9th International Conference on Multidisciplinary Approaches, Sri Lanka, p. 109.
  83. Kumarage, D.Y., Pathmalal, M.M. and & Wijesinghe, L.R.P.J. (2022) ‘Physical, chemical, and microbiological parameters of well-water sources in the Padukka area, Sri Lanka’, Proceedings of the 9th International Conference on Multidisciplinary Approaches, Sri Lanka, p. 112.
  84. Thanushanthahi, L., Pathmalal, M.M. and Idroos, F.S. (2022) ‘Antibacterial property of pineapple (Ananas comosus) peel oil against two fish pathogenic bacteria’, Proceedings of the 9th International Conference on Multidisciplinary Approaches, Sri Lanka, p. 114.
  85. Rangani, S.C., Marapana, R.A.U.J., Senanayake, G.A., Perera, P.R.D., Pathmalal, M.M. and Amarasinghe, H.K. (2022) ‘Comparison of ultrasound-assisted and conventional methods on the extractability of polyphenols and alkaloids of areca nut’, Proceedings of the 9th International Conference on Multidisciplinary Approaches, Sri Lanka, p. 117.
  86. Meddage, A.K.M.M.K., Pathmalal, M.M. and Herath, M.W.U. (2022) ‘Evaluation of the impact of probiotics addition on water quality and growth performance of Catla catla’, Proceedings of the 9th International Conference on Multidisciplinary Approaches, Sri Lanka, p. 119.
  87. Dilrukshi, K.T., Abeysiri, H.A.S.N., Beneragama, D.H., Wanigasuriya, J.K.P. and Pathmalal, M.M. (2022) ‘Cytotoxicity of water collected from Angunukolapelessa, Galnewa and Padaviya in Sri Lanka on monkey kidney cell line (Vero)’, Proceedings of the 9th International Conference on Multidisciplinary Approaches, Sri Lanka, p. 125.
  88. Wijetunge, D.S., Ranatunga, R.R.M.K.P. and Pathmalal, M.M. (2023) ‘Degradability of biodegradable polymers in freshwater and sediment under laboratory conditions’, Proceedings of the International Conference on Applied and Pure Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, p. 15.
  89. Wijetunge, D.S., Ranatunga, R.R.M.K.P. and Pathmalal, M.M. (2023) ‘Degradability of commercially available biodegradable polymers under UV exposure’, Proceedings of the Young Scientists Conference on Multidisciplinary Research (YSCMR) – (2023), Young Scientists’ Association, National Institute of Fundamental Studies, Sri Lanka, p. 8.
  90. Wijetunge, D.S., Ranatunga, R.R.M.K.P. and Pathmalal, M.M. (2023) ‘Degradability of synthetic polymer products labelled as biodegradable, in seawater and beach sand under laboratory conditions’, Proceedings of the Ocean University Research Sessions (2023), Ocean University of Sri Lanka, p. 29.
  91. Premkumar, A., Abeysiri, H.A.S.N. and Manage, P.M. (2023) ‘In-vitro cytotoxicity assessment of glyphosate on the Vero cell line’, 16th International Research Conference (KDU), Sri Lanka, 7–8 September (2023).
  92. Pavalakumar, D., Undugoda, L.J.S., Manage, P.M., Nugara, R.N. and Kannangara, S. (2023) ‘Viability of probiotic bacteria inhabiting tender coconut water under artificial saliva and stimulated gastrointestinal juice conditions’, PGIS RESCON (2023), University of Peradeniya, p. 79.
  93. Pavalakumar, D., Undugoda, L.J.S., Manage, P.M., Nugara, R.N. and Kannangara, S. (2023) Assessing the antioxidative potential of lactic acid bacteria inhabiting tender coconut water’, International Postgraduate Research Conference (IPRC) (2023), University of Kelaniya, p. 16.
  94. Dilrukshi, K.T., Sadeepa, H.D.D. and Manage, P.M. (2024) ‘Antifungal activity of selected indigenous medicinal plants in Sri Lanka towards Candida infections’, 28th International Forestry and Environment Symposium, Colombo, Sri Lanka, January (2024), p. 222.
  95. Hewawithana, J.K., Dilrukshi, K.T. and Pathmalal, M.M. (2024) ‘Cytotoxicity of indigenous medicinal plants; Kothala Himbutu, Kottamalli and Polpala on the Vero kidney cell line; in-vitro study using MTT assay’, 28th International Forestry and Environment Symposium, Colombo, Sri Lanka, January (2024), p. 10.
  96. Jayathilake, K.M.P.I., Manage, P.M. and Idroos, F.S. (2023) ‘Isolation of phosphate solubilizing fungi from soil and their application in plant growth promotion’, 28th International Forestry and Environment Symposium, Colombo, Sri Lanka, January (2024), p. 151.
  97. Imanthi, K.P.A., Manage, P.M., Wanigasuriya, J.K.P., Perera, P.P.R. and Nishad, J. (2023) ‘Acute toxic effect of commercial glyphosate on zebrafish (Danio rerio) embryonic development’, 28th International Forestry and Environment Symposium, Colombo, Sri Lanka, January (2024), p. 48.
  98. Batugedara, B.D.I.M., Manage, P.M. and Senanayake, S.A.M.A.I.K. (2024) ‘Assessment of plankton diversity in Madunagala hot water springs, Sri Lanka’, 28th International Forestry and Environment Symposium, Colombo, Sri Lanka, January (2024), p. 190.
  99. Darshani, U.G.N.P., Manage, P.M. and Idroos, F.S. (2024) ‘Development of a cellulose-based aerogel using aquatic invasive plants to treat oil-contaminated wastewater’, 28th International Forestry and Environment Symposium, Colombo, Sri Lanka, January (2024), p. 86.
  100. Wijetunge, D.S., Ranatunga, R.R.M.K.P. and Manage, P.M. (2024) ‘Comparing the fate of biodegradable products in seawater under laboratory and natural conditions’, 28th International Forestry and Environment Symposium, Colombo, Sri Lanka, January (2024), p. 100.
  101. Bandara, S.M.T.V., Wijerathna, P.A.K.C., Liyanage, G.Y. and Manage, P.M. (2024) ‘Identification of E. coli O157 strain and analysis of physicochemical parameters of water quality in Negombo Lagoon, Sri Lanka’, 10th International Conference on Multidisciplinary Approaches, p. 11.
  102. Imanthi, K.P.A., Manage, P.M., Wanigasuriya, J.K.P., Perera, P.P.R. and Nishad, J. (2024) ‘Acute toxic effects of commercial glyphosate on embryonic development of zebrafish (Danio rerio)’, 28th International Forestry and Environment Symposium, Nugegoda, Sri Lanka, p. 48.
  103. Batugedara, B.D.I.M., Manage, P.M. and Senanayake, S.A.M.A.I.K. (2024) ‘Assessment of plankton diversity in Madunagala hot water springs, Sri Lanka’, 28th International Forestry and Environment Symposium, University of Sri Jayewardenepura, Nugegoda, Sri Lanka, p. 190.
  104. Sadeepa, H.D.D., Hewadikaram, M., Sirisena, K.A. and Manage, P.M. (2024) ‘The potential of using hot spring extremophile bacteria for the production of antimicrobial drugs’, 9th International Symposium on Water Quality and Human Health: Challenges Ahead.
  105. Dananjana, W.I., Madhushika, J.A.H., Sirimuthu, N.M.S., Manage, P.M. and Narangoda, C.J. (2024) ‘Synthesis of a chemo-selective receptor arm for the detection of MC-LR with the aid of surface-enhanced Raman spectroscopy (SERS)’, 9th International Symposium on Water Quality and Human Health: Challenges Ahead.
  106. Dilrukshi, K.T., Sadeepa, H.D.D. and Manage, P.M. (2024) ‘Antifungal activity of selected indigenous medicinal plants in Sri Lanka towards Candida infections’, 28th International Forestry and Environment Symposium, Colombo, Sri Lanka, p. 222.
  107. Perera, K.B.S.M.H., Liyanage, G.Y. and Manage, P.M. (2024) ‘Effect of storage temperature and time on histamine concentration in commercially available fresh fish in Sri Lanka’, International Conference on Applied and Pure Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, p. 11.
  108. Ginige, G.C.C., Manage, P.M. and Idroos, F.S. (2024) ‘Development and characterization of biodegradable nanocomposite membrane using chitosan and green ZnO nanoparticles’, Proceedings of the International Conference on Applied and Pure Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, p. 38.
  109. Darshani, U.G.N.P., Manage, P.M. and Idroos, F.S. (2024) ‘Comparison of different aerogels derived from Eichhornia crassipes for efficient oil removal from water’, Proceedings of the International Conference on Applied and Pure Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, p. 62.
  110. Perera, K.B.S.M.H., Liyanage, G.Y. and Manage, P.M. (2024) ‘Quantification of histamine in four commercial food fish species in fish markets in Maharagama, Sri Lanka’, Proceedings of the Postgraduate Institute of Science Research Congress, Sri Lanka, 1st–2nd November (2024), p. 109.
  111. Rasna, N.F., Jayathilake, K.M.P.I., Manage, P.M. and Idroos, F.S. (2024) ‘Biovalorization of agro-food wastes for the production of melanin pigment via a submerged fermentation process using Aspergillus niger: A sustainable approach’, Proceedings of the International Conference on Applied and Pure Sciences (2024), Faculty of Science, University of Kelaniya, Sri Lanka, p. 40.
  112. Idroos, F.S., Rasna, N.F., Jayathilake, K.M.P.I. and Manage, P.M. (2025) Sustainable production of fungal pigments from selected agro-food wastes via submerged fermentation process using Fusarium proliferatum strain 08405: A biovalorization approach’, Proceedings of the 29th International Forestry and Environment Symposium, Vol. 29.
  113. Rajasiri, A.M.P., Bandara, K.R.V., Pathirana, E., Pathirana, I. and Manage, P.M. (2025) ‘A study on water quality and phytoplankton composition in Kalpitiya Lagoon, Sri Lanka’, Proceedings of the Fourth International Conference of the Centre for Environmental Sustainability (ICCES), Postgraduate Institute of Science (PGIS), University of Peradeniya, Sri Lanka, Vol. 4, p. 34.
  114. Perera, K. B. S. M. H., Liyanage, G. Y., & Manage, P. M. (2025, April). Detection and Quantification of Histamine in Canned Fish and Fish Products Purchased from Market. In Proceedings of International Forestry and Environment Symposium (Vol. 29). doi:10.31357/fesympo. v29.8086.
  115. H.D. Amanda, K.P.A. lmanthi, and P.M. Manage (2025)., Toxic effects of Cd, Pb, Zn and Cr on early embryonic development of zebrafish (Danio rerio), 10th International symposium on water quality and human health: challenges ahead, Peradeniya, Sri Lanka.
  116. A.H.M. SiIva, P.M. Manage, and G.Y. Liyanage. (2025), Role of water in the growth, pigment production, and bioactive compound extraction of Spirulina platensis, 10th International symposium on water quality and human health: challenges ahead, Peradeniya, Sri Lanka.
  117. D.D. Sadeepa, M. Hewadikaram, K.A. Sirisena and P.M. Manage. (2025), Potential use of microbes and microbial genes of maha oya hot spring in bio fertilizer production, 10th International symposium on water quality and human health: challenges ahead, Peradeniya, Sri Lanka.
  118. V.A.R. Lakshima, G.Y. Liyanage, T.T.P. Jayadas, C. Jeewandara, and P.M. Manage. (2025), Wastewater surveillance in western province, sri lanka: assessing public health risks and environmental impacts, 10th International symposium on water quality and human health: challenges ahead, Peradeniya, Sri Lanka.
  119. M.P Rajasiri, E. Pathirana, K.R.V Bandara, I. Pathirana, and P.M Manage. (2025), Assessment of water quality and fecal contamination in selected sites of Kalpitiya lagoon, Sri Lanka, 10th International symposium on water quality and human health: challenges ahead, Peradeniya, Sri Lanka.
  120. K.M.M.K. Meddage, G.Y. Liyanage, F.S. Idroos and P.M. Manage. (2025), Seasonal variations in water quality and pollution dynamics in the Kelani river basin, Sri Lanka, 10th International symposium on water quality and human health: challenges ahead, Peradeniya, Sri Lanka.
  121. A.P.R. Ganepola, K.P.A. Imanthi, G.Y. Liyanage and P.M. Manage. (2025), Evaluation of water quality and anthropogenic influences in Beddagana wetland park, Sri Lanka, 10th International symposium on water quality and human health: challenges ahead, Peradeniya, Sri Lanka.
  122. M.D.D. Wickramanayake, C.J. Narangoda, P.M. Manage, and F.S. Idroos. (2025), Development of nitrifying and denitrifying bacteria immobilized cellulose nanocrystal based biofilter to treat aquarium wastewater, 10th International symposium on water quality and human health: challenges ahead, Peradeniya, Sri Lanka.
  123. Manchurika, S., Adhikari, P.A.A.S., Ganepola, G.A.P.R., Bandara, K.R.V., Manage, P.M. (2026). Evaluation of Glyphosate Toxicity Using Artemia salina as an Invertebrate Model. 30th International Forestry and Environment Symposium. p. 132.
  124. Meddage A.K.M.M.K. Liyanage G.Y., Idroos F.S. and Manage P.M. (2026). Occurrence of Multidrug-Resistant Pathogenic Bacteria In Surface and Groundwater of the Kelani River Basin, Sri Lanka: Seasonal Patterns And Public Health Implications. 12th International Conference on Multidisciplinary Approaches, Faculty of Graduate Studies, University of Sri Jayewardenepura, Sri Lanka. p. 14.
  125. Nimalarathna M.P.J.R., Jayathilake K.M.P.I., Idroos F.S., Manage P.M. and Sirisena K.K.A., (2026). 12th International Conference on Multidisciplinary Approaches, Faculty of Graduate Studies, University of Sri Jayewardenepura, Sri Lanka. p. 90.
  126. Peiris, L.D.C., Abeywardhana, B.A.S.D., Tennakoon, S.H., Bandara, K.R.V., Weerasinghe, L. and Manage, P.M. (2026). Phytochemical Composition and Antioxidant Potential of Gracilaria verrucosa and Gracilaria multipartite. 30th International Forestry and Environment Symposium. p. 10.
  127. Rajasiri A.M.P., Pathirana E., Bandara K.R.V. and Manage P.M. (2026). A STUDY OF Water Quality and Phytoplankton in A Commercial Oyster (Crassostrea madrasensis) Farming Site of Kalpitiya Lagoon, Sri Lanka. 12th International Conference on Multidisciplinary Approaches, Faculty of Graduate Studies, University of Sri Jayewardenepura, Sri Lanka. p. 13.
  128. Rajathunge, W.A.D.K. Wijerathna, P.A.K.C. Meddage, A.K.M.M.K. Liyanage, G.Y. Manage, P.M. (2026). Detection of Escherichia coli O157 in Raw and Processed Dairy Products in Colombo District. Proceedings of the 30th International Forestry and Environment Symposium 2026 of the Department of Forestry and Environmental Science, University of Sri Jayewardenepura, Sri Lanka. p. 99.
  129. Ravishani B.P.R., Jayathilake K.M.P.I., Manage P.M. and Idroos F.S. (2026). 12th International Conference on Multidisciplinary Approaches, Faculty of Graduate Studies, University of Sri Jayewardenepura, Sri Lanka. p. 89.
  130. Sahee A.L.A., Meddage A.K.M.M.K. Liyanage G.Y., Idroos F.S. and Manage P.M., (2026). Fish as Passive Carriers of Escherichia Coli and Vibrio Spp. In Kelani River: Implications For Public Health. 12th International Conference on Multidisciplinary Approaches, Faculty of Graduate Studies, University of Sri Jayewardenepura, Sri Lanka. p. 188.
  131. Sewmi J.A.G.V., Manage P.M. and liyanage G.Y. (2026). Evaluation of Spirulina platensis biomass production and solvent dependent extraction efficiency of antibacterial agent’s bacterial pathogens of cultured ornamental fish. 12th International Conference on Multidisciplinary Approaches, Faculty of Graduate Studies, University of Sri Jayewardenepura, Sri Lanka. p. 185.
  132. Wijesiri N.A.S., Bandara K.R.V., Abeywardhana S. and Manage P.M. (2026). Evaluation of Antioxidant and Cytotoxic Properties of Seaweed Extracts. 12th International Conference on Multidisciplinary Approaches, Faculty of Graduate Studies, University of Sri Jayewardenepura, Sri Lanka. p. 184.
  133. Wijetunge, D.S., Wijerathna, P.A.K.C., Ranatunga, R.R.M.K.P. and Mange, P.M. (2026). Assessment of the Biodegradation Potential of Commercially Available “Biodegradable” Polymers by Microbial Isolates. 30th International Forestry and Environment Symposium. p. 95.
  134. Asuramanna A.S.M, Jayathilake K.M.P.I, Idroos F.S, and Hassan A.L.I. (2026). Development of A Nanocellulose-Based Functional Material for Wastewater Treatment. 1st Annual Research Conference on Bioresources 2026 (ARCoB 2026). University of Sri Jayewardenepura. p. 38.
SDGs 6, 7, 9 and 12 — 8. Wastewater Treatment, Resource Recovery and Bioenergy
  1. Imanthi, K.P.A., Idroos, F.S. and Manage, P.M. (2019) ‘Microbial fuel cells as a green energy source: utilizing domestic wastewater in the generation of bioelectricity’, Proceedings of the International Symposium on Water and Air Pollution: Recent Trends in Research, p. 52.
  2. Imanthi, K.P.A., Idroos, F.S. and Manage, P.M. (2019) Bioelectricity as a green technology: study of bioelectricity generation potential of domestic wastewater-based microbial fuel cell’, Proceedings of The World Congress on Pollution Control, p. 23.
  3. Weerasinghe, W.M.L.I., Madusanka, D.A.T. and Pathmalal, M.M. (2020) December. Isolation and optimization of cellulase producing bacteria for second-generation bio-ethanol production’, 7th International Conference on Multidisciplinary Approaches (ICMA), p. 115.
SDGs 9, 12, 13, 14 and 15 — 9. Green Biotechnology and Nature-Based Remediation
  1. Ekanayake, E.M.M.S., Wijesekara, I. and Manage, P.M. (2019) ‘Isolation of laccase producing fungi: Aspergillus niger from Sri Lankan textile wastewater effluents and its potential applicability on decolourization of azo dye CI Direct Blue 20’, Proceedings of the 4th International Symposium on Pure and Applied Sciences, p. 3.
  2. Fernando, W.O.K. and Manage, P.M. (2019) Applicability of coconut shell based granular activated carbon filter media to treat reverse osmosis effluent water’, Proceedings of the 6th International Conference on Multidisciplinary Approaches, p. 18.
  3. Sadeepa, H.D.D., Manage, P.M. and Sirisena, K.A. (2019) ‘Isolation and characterization of industrially important enzyme producing bacteria from hot springs of Sri Lanka’, Proceedings of the 6th International Conference on Multidisciplinary Approaches, p. 116.
  4. Ekanayake, E.M.M.S., Wijesekara, I. and Pathmalal, M.M. (2020) ‘Removal of commercial textile dyes by immobilized putative laccase enzyme from Talaromyces sp.’, 7th International Conference on Multidisciplinary Approaches, p. 28.
  5. Ganegoda, G.S.S. and Manage, P.M. (2020) Removal of drinking water taste and odour causing compounds using a modified sand filter; green solution via biotechnology’, Proceedings of the 25th International Forestry and Environment Symposium, p. 57.
  6. Sadeepa, H.D.D., Sirisena, K.A. and Manage, P.M. (2021) ‘Isolation and characterization of α-amylase enzyme producing bacteria from Maha Oya Hot Spring, Sri Lanka’, Annual Research Symposium, University of Colombo, Sri Lanka.
  7. Sadeepa, H.D.D., Sirisena, K.A. and Manage, P.M. (2021) ‘Isolation and characterization of thermo-stable cellulase enzyme producing bacteria from Gomarankadawala Hot Spring, Sri Lanka’, ICMA, University of Sri Jayewardenepura, Sri Lanka.
  8. Sadeepa, H.D.D., Sirisena, K.A. and Manage, P.M. (2021) ‘Diversity and relative abundance of industrially important enzyme producing microbial genera in hot springs in Sri Lanka’, International Research Conference, Uwa Wellassa University, Badulla, Sri Lanka.
  9. Sadeepa H.D.D., Manage P.M. and Sirisena K.A. (2022) Isolation and characterization of thermo-stable cellulase enzyme producing bacteria from Wahava hot spring, Sri Lanka. Abstract; Proceedings of the Postgraduate Institute of Science Research Congress, Sri Lanka.
  10. Razan, M.F., Sadeepa, H.D.D. and Manage, P.M. (2024) ‘Isolation of salt-tolerant enzyme-producing bacteria from marine environments in Sri Lanka for industrial applications’, 28th International Forestry and Environment Symposium, Colombo, Sri Lanka, January (2024), p. 19.
  11. Sadeepa, H.D.D., Sirisena, S.A. and Manage, P.M. (2024) ‘Industrial perspective of thermo-stable proteinase enzyme producing bacteria isolated from Maha Oya Hot Spring, Sri Lanka’, 28th International Forestry and Environment Symposium, Colombo, Sri Lanka, January (2024), p. 28.
SDGs 3, 6, 9 and 14 — 10. Molecular Microbiology, Biomarkers and Environmental Diagnostics
  1. Sadeepa, H.D.D., Sirisena, K.A. and Manage, P.M. (2020) ‘Isolation and characterization of the microbial community in Maha Oya hot spring in Sri Lanka with 16S rRNA based next generation sequencing’, Southeast Asian Regional Symposium on Microbial Ecology: Pokhara, Nepal, p. 30.
  2. Sadeepa, H.D.D., Sirisena, K.A. and Manage, P.M. (2021) ‘Relative abundance of the genera Chloroflexus in the Maha Oya Hot Spring in Sri Lanka’, International Conference on Multidisciplinary Approaches in Science, University of Colombo, Sri Lanka.
  3. Jayasuriya, T.L., Wijerathna, P.A.K.C., Meddage, A.K.M.M.K., Liyanage, G.Y., Sadupama, P.M., Manage, P.M. (2026). Identification of Virulent Gene Clusters (Eae-A and Stx2) in Escherichia coli O157 Isolated from the Bolgoda River. 30th International Forestry and Environment Symposium. p. 97.
SDGs 6, 13, 14 and 15 — 11. Aquatic Ecosystem Health, Biodiversity and Microbial Ecology
  1. Nakano, S., Ishii, N., Manage, P.M. and Kawabata, Z. (1998). The role of heterotrophic nanoflagellates and ciliates in a food web of a hypereutrophic lake. In Proceedings of the 63rd Annual Session of the Japanese Society of Limnology, Matsumoto, Japan, 20–23 September. Abstract Book, p. 102.
  2. Nishii, K., Nakano, S., Manage, P.M. and Kawabata, Z. (2000). Seasonal changes in the characteristics of a hypereutrophic lake driven by microbial decomposition of dissolved organic matter. In Proceedings of the 65th Annual Meeting of the Japanese Society of Limnology, Fukuoka, Japan, 15–17 September. Abstract Book, p. 151.
  3. Nakano, S., Nishibe, Y., Manage, P.M., Yokosawa, M. and Kawabata, Z. (2000). Trophic interaction between planktonic protists and metazoan zooplankton in a hypereutrophic pond. In Proceedings of the 15th Annual Meeting of Microbial Ecology, Hiroshima, Japan. Abstract Book, p. 283.
  4. Manage, P.M. and Piyasiri, S. (1993). Chlorophyll-a density, species composition and population structure of phytoplankton in Randenigala reservoir. In Proceedings of the 49th Annual Session of the Sri Lanka Association for the Advancement of Science, Sri Lanka, December, pp. 155–156.
  5. Manage, P.M. and Piyasiri, S. (1994). Species composition and population dynamics of zooplankton in Randenigala Reservoir. In Proceedings of the Golden Jubilee Session of the Sri Lanka Association for the Advancement of Science, Sri Lanka, December, p. 171.
  6. Sadeepa, H.D.D., Sirisena, K.A. and Manage, P.M. (2020) ‘Biotechnological prospects of culturable and non-culturable microbial community in Maha Oya and Madhunagala hot springs in Sri Lanka’, Annual Research Symposium, University of Colombo.
  7. Sadeepa, H.D.D., Sirisena, K.A. and Manage, P.M. (2020) ‘Biotechnological prospects of microbial community in Wahava hot springs in Sri Lanka’, 7th PGIS Research Congress, University of Peradeniya.
  8. Sadeepa, H.D.D., Sirisena, K.A. and Manage, P.M. (2020) ‘Microbial community composition of hot spring in Sri Lanka’, 7th International Conference on Multidisciplinary Approaches (ICMA), p. 118.
  9. Peiris, B.A.D., Maddumage, M.D.S.R., Manage, P.M., Jayawardhane, J.K.P.C., Weerasekara, K.A.W.S. and Mahagamage, M.G.Y.L. (2021) ‘Species diversity and abundance of phytoplankton and zooplankton along the Hamilton Canal, Sri Lanka’, The Challenge on Animal and Human Health. International Conference on Multidisciplinary Approaches in Science.
  10. Sadeepa, H.D.D., Sirisena, K.A. and Manage, P.M. (2021) ‘Potential of hot spring extremophilic bacteria to enhance the production of organic fertilizers’, Water Symposium, University of Peradeniya, Sri Lanka.
  11. Sadeepa, H.D.D., Pathmalal, M.M and Sirisena, K.A. (2022) ‘Metabolic diversity of the microbial community in hot springs in Sri Lanka’, Proceedings of the 9th International Conference on Multidisciplinary Approaches, Sri Lanka, p. 121.
SDGs 2, 3 and 12 — 12. Food Microbiology, Probiotics and Food Safety
  1. Manage, P.M. and Dissanayake, D.M.M.P. (2004). Studies on the incidence of aflatoxin in commercially available peanuts.In Proceedings of the 60th Annual Meeting of the Sri Lanka Association for the Advancement of Science, Colombo, Sri Lanka, 17–22 December, p. 190.
  2. Waduwawara, S. and Manage, P.M. (2005). Spoilage of rice and effect of botanicals on spoilage bacteria associated with cooked rice varieties consumed in Sri Lanka. In Proceedings of the 61st Annual Meeting of the Sri Lanka Association for the Advancement of Science, Sri Lanka, 12–17 December, paper 417/D.
  3. Gunathunga, C.J., Undugoda, L.J.S., Nilmini, A.H.L., Nugara, N.N.R.N., Udayanga, D. and Manage, P.M. (2021) ‘Bioprospecting of indigenous lactic acid bacteria abundant in buffalo curd as a starter culture’, Ruhuna International Science and Technology Conference, University of Ruhuna, Sri Lanka.
  4. Gunathunga, C.J., Undugoda, L.J.S., Nilmini, A.H.L., Nugara, N.N.R.N. and Udayanga, D., Manage, P.M. (2021) ‘Assessing the probiotic potential of lactic acid bacteria isolated from traditional Sri Lankan buffalo curd’, Faculty of Science, International Conference on Multidisciplinary Approaches in Science.
  5. Gunathunga C.J., Undugoda L.J.S., Nilmini A.H.L., Nugara N.N.R.N. and Udayanga D., Manage, P.M., (2022) Probiotic characterization of Lactobacillus delbrueckii subsp. Indicus species isolated from traditional buffalo curd in Sri Lanka, Faculty of Technology, International Conference on Innovation and Emerging Technologies, University of Sri Jayewardenepura, Sri Lanka. pp. 166.
  6. Gunathunga C.J., Undugoda L.J.S., Nilmini A.H.L., Nugara N.N.R.N. and Udayanga D., Manage, P.M., (2022) Yoghurt production potential of Lactobacillus delbrueckii sub sp. indicus isolated from traditional buffalo curd in Sri Lanka, International Conference on Multidisciplinary Approaches, Faculty of Graduate Studies, University of Sri Jayewardenepura, Sri Lanka, pp.111.
  7. Gunathunga, C.J., Undugoda, L.J.S., Nilmini, A.H.L., Nugara, R.N., Udayanga, D. and Pathmalal, M.M. (2022) ‘Yoghurt production potential of Lactobacillus delbrueckii subsp. indicus isolated from traditional buffalo curd in Sri Lanka’, Proceedings of the 9th International Conference on Multidisciplinary Approaches, Sri Lanka, p. 111.
  8. Pavalakumar, D., Undugoda, L.J.S., Manage, P.M., Nugara, R.N. and Kannangara, S. (2023) ‘Comprehensive study of gastrointestinal tolerance and safety assessment of probiotic lactic acid bacteria isolated from tender coconut water’, South Asian Symposium on Microbial Ecology 2023 (SASME 2023).
  9. Pavalakumar, D., Undugoda, L.J.S., Manage, P.M., Nugara, R.N. and Kannangara, S. (2023) ‘Unveiling the probiotic properties of lactic acid bacteria inhabiting tender coconut water’, International Conference of Sabaragamuwa University of Sri Lanka (ICSUSL 2023), p. 33.
  10. Gunathunga, C.J., Undugoda, L.J.S., Nilmini, A.H.L., Nugara, R.N., Udayanga, D. and Pathmalal, M.M. (2023) ‘In vitro probiotic potential of Streptococcus thermophilus isolates from traditional Sri Lankan buffalo curd’, International Conference on Innovation and Emerging Technologies (2023), p. 174.
  11. Gunathunga, C.J., Undugoda, L.J.S., Pathmalal, M.M., Nilmini, A.H.L., Nugara, R.N. and Udayanga, D. (2023) ‘Assessment of cell surface properties and gastrointestinal transit tolerance of probiotic Lactobacillus delbrueckii subsp. indicus strains isolated from traditional Sri Lankan buffalo curd’, 9th International Conference of Sabaragamuwa University of Sri Lanka, p. 55.
  12. Gunathunga, C.J., Undugoda, L.J.S., Pathmalal, M.M., Nilmini, A.H.L., Nugara, R.N. and Udayanga, D. (2023) ‘In vitro assay of antioxidant potential and total phenolic content of probiotic Lactobacillus delbrueckii subsp. indicus strains isolated from traditional Sri Lankan buffalo curd’, Proceedings of the Postgraduate Institute of Science Research Congress, Sri Lanka, p. 85.
  13. Gunathunga, C., Undugoda, L., Liyanage, N., Nugara, N., Udayanga, D. and Pathmalal, M. (2023) ‘In vitro evaluation of probiotic properties of Lactobacillus strains isolated from traditional buffalo curd in Sri Lanka’, 2nd South Asian Symposium on Microbial Ecology, p. 85.
  14. Pavalakumar, D., Undugoda, L.J.S., Manage, P.M., Nugara, R.N. and Kannangara, S. (2024) Evaluation of fermentation dynamics and volatile compound profiles of probiotic Lactobacillus spp. inhabiting tender coconut water’, Proceedings of the Fourth International Conference on Innovation and Emerging Technologies (ICIET 2024), p. 174.
  15. Anpalakan T., Meddage A.K.M.M.K., Liyanage G.Y., Idroos F.S. and Manage P.M. (2026). Evidence Of Foodborne Pathogen Contamination in Riverine Fish from Kelani River, Srilanka: A Public Health Perspective. 12th International Conference on Multidisciplinary Approaches, Faculty of Graduate Studies, University of Sri Jayewardenepura, Sri Lanka. p. 189.
SDGs 13, 14 and 15 — 14. Climate Change, Environmental Sustainability and Ecosystem Responses
  1. Sethunge, S. and Manage, P.M. (2013) ‘Nuisance algae in water supply projects in Sri Lanka’, in Proceedings of the International Conference on Sustainable Built Environment (ICSBE).
  2. Wijerathna, P.A.K.C., Liyanage, G.Y., Mahagamage, M.G.Y.L. and Pathmalal, M.M. (2023) ‘Effect of water quality on mangrove system in Negombo Lagoon, Sri Lanka’, Proceedings of the 1st International Conference on Mangroves for Ecological & Economic Sustainability (ICMS) – (2023), The Open University of Sri Lanka, pp. 43–44.
  3. N.S. Sonali, A.K.M.M.K. Meddage, P.M. Manage and G.Y. Liyanage. (2026). Assessment of Fecal Indicator and Pathogenic Bacteria in Marine Out falls of Colombo District, Sri Lanka. International Conference on Marine Science and Sustainability 2026 (ICMSS 2026). p. 85.

Books/Book Chapters

Books and Text books

  1. Concepts of Human Evolution ISBN 978- 955- 51526- 0 – 0
  2. Microbial Ecology ISBN 978- 955- 51526- 1 – 7
  3. Environmental Toxicology ISBN 978- 955- 51526- 1 – 7
  4. Effects of algae on water sources ISBN 978- 955- 51526- 3 – 1
  5. Laboratory manual for detection of Microcystin and Cylindrospermopsin ISBN 978-955-590-128-4
  6. Nature Therapy ISBN 978-624-5629-008 (Repatriation of a forgotten nature by the regression of the human footprint During   the COVID-19 lockdown in Sri Lanka)
  1. State of Sri Lanka’s Environment 2020 Centre for Environmental Justice
  2. Field and Laboratory Methods for Water, Soil and Biological Sample Collection, Analysis and Data Reporting, Training Manual. ISBN: 978-624-5703-18-0
  3. Book of Impact of the MV X-Press Pearl Ship Disaster on the Coastal Environment from Negombo to Benthota- 2022.
  4. Training Manual- Methods for Questionnaire Preparation and Data Management- 2023. ISBN 978-624-5703-72-2

Books Chapters

SDGs 3, 6, 12, 14 and 15 — 1. Emerging Pollutants, Xenobiotics and Environmental Toxicology

  1. Bandara, K.R. and Manage, P.M. (2022). Heavy metal contamination in the coastal environment and trace level identification. In Marine pollution-recent developments. IntechOpen.

SDGs 3, 6 and 12 — 3. One Health, Antimicrobial Resistance and Antibiotic Pollution

  1. Manage, P.M. and Liyanage, G.Y. (2019). Antibiotics induced antibacterial resistance. In Pharmaceuticals and personal care products: waste management and treatment technology (pp. 429–448). Butterworth-Heinemann.
  2. Meddage, A.K.M.M.K., Sewmi, J.A.G.V., Liyanage, G.Y. and Manage, P.M., (2026). Omics and phyto insights in environmental bioremediation of antibiotics: Eco-friendly and sustainable approach to remove antibiotics from the environment. In Bioremediation of Emerging Contaminants (pp. 165-178). Elsevier.

SDGs 11 and 12 — 4. Microbial Solutions for Solid Waste Management and Circular Economy

  1. Wijerathna, P.A.K.C., Udayagee, K.P.P., Idroos, F.S. and Manage, P.M. (2023). Waste biomass valorization and its application in the environment. In Sustainable Valorization of Agriculture & Food Waste Biomass: Application in Bioenergy & Useful Chemicals (pp. 1–28). Singapore: Springer Nature Singapore.
  2. Wijerathna, P.A.K.C., Udayagee, K.P.P., Idroos, F.S. and Manage, P.M. (2023). Waste biomass valorization and its application in the environment. In Pal, D.B. and Tiwari, A.K. (eds.) Sustainable Valorization of Agriculture & Food Waste Biomass. Clean Energy Production Technologies. Singapore: Springer.

SDGs 6, 12 and 14 — 5. Microbial Remediation of Industrial Wastewater and Chemical Pollution

  1. Ekanayake, M.S., Udayanga, D. and Manage, P.M. (2022). Mycoremediation of synthetic textile dyes by fungi isolated from textile wastewater effluent and soil. In Mycoremediation Protocols (pp. 31–43). New York, NY: Springer US.
  2. Ramanayake, G.D., Udayanga, D., Undugoda, L.J.S., Nugara, N.N.R.N. Nilmini, A.H.L.R. and Manage, P.M. (2022). Protocol for screening low-density polyethylene (ldpe)–degrading soil fungi isolated from urban waste dumping sites. In Mycoremediation protocols (pp. 123–137). New York, NY: Springer US.
  3. Idroos, F.S., Wijerathna, P.A.K.C., Abeysiri, H.A.S.N. and Manage, P.M. (2023). Nitrite, Nitrate, Ammonia and Phosphate Pollution and Their Remediation. In Microbial Technologies and Their Applications. Nova science Publishers.
  4. Liyanage, G.Y., Ekanayake, E.M.M.S. and Manage, P.M. (2022). Oil pollution remediation technologies: novel technologies with future challenges.In Microbial Technologies and Its Application. New York: Nova Science Publishers.
  5. Ekanayake, E.M.M.S., Idroos, F.S., Bandara, K.R.V. and Manage, P.M. (2022). Phytoremediation and phytostabilization: current scenario and prospects. In Microbial Technologies and Its Application. New York: Nova Science Publishers.
  6. Bandara, K.R.V., Liyanage, G.Y., Sirisena, K.A. and Manage, P.M. (2022). Hydrocarbon remediation: a green solution to the problem of hydrocarbon pollutants. In Microbial Technologies and Its Application. New York: Nova Science Publishers.
  7. Abeyrathne, P.A.B.P., Wijetunge, D.S., Ranatunga, R.R.M.K.P. and Pathmalal, M.M. (2023). Biochemical and physicochemical methods used for the remediation of nitrogen and phosphorus and their related compounds. In Nitrogen and Phosphorus Problem and Its Remediation. New York: Nova Science Publishers.

SDGs 3, 6 and 14 — 6. Cyanotoxins, Harmful Algal Blooms and Aquatic Health

  1. Liyanage, G.Y., Kulasooriya, S.A., Manage, S.P., Dissanayake, D.M.P.I. and Manage, P.M. (2023). Molecular Identification of Microcystin Synthetase Genes mcyE in Cyanobacteria Using PCR. In Protocols for Cyanobacteria Sampling and Detection of Cyanotoxin (pp. 443–450). Singapore: Springer Nature Singapore.
  2. Abeyrathne, P.A.B.P., Imanthi, K.P.A., Abeysiri, H.A.S.N., Liyanage, G.Y., Pathmalal, M.M. and Kulasooriya, S.A. (2023). Risk Assessment of Microcystin in Water Resources. In Protocols for Cyanobacteria Sampling and Detection of Cyanotoxin (pp. 165–172). Singapore: Springer Nature Singapore.
  3. Abeysiri, H.A.S.N., Liyanage, G.Y., Sirisena, K., Kulasooriya, S.A. and Pathmalal, M.M. (2023). Molecular Detection of Mcy Genes in Toxic Cyanobacteria: Anabaena, Microcystis, Planktothrix. In Protocols for Cyanobacteria Sampling and Detection of Cyanotoxin (pp. 421–426). Singapore: Springer Nature Singapore.
  4. Bandara, K.R.V., Samudrani, P.M., Abeysiri, H.A.S.N., Liyanage, G.Y., Sandupama, P.M., Dissanayake, D.M.P.I., Pathmalal, M.M. and Kulasooriya, S.A. (2023). Chemical and Toxicological Studies of the Toxic Freshwater Cyanobacterium: Microcystis aeruginosa. In Protocols for Cyanobacteria Sampling and Detection of Cyanotoxin (pp. 155–160). Singapore: Springer Nature Singapore.
  5. Sadeepa, H.D.D., Bandara, K.R.V., Liyanage, G.Y., Manage, P.M. and Kulasooriya, S.A. (2023). Genotoxicity of Cyanotoxins. In Protocols for Cyanobacteria Sampling and Detection of Cyanotoxin (pp. 265–271). Singapore: Springer Nature Singapore.
  6. Imanthi, K.P.A., Abeyrathne, P.A.B.P., Wijerathna, P.A.K.C., Liyanage, G.Y., Manage, P.M. and Kulasooriya, S.A. (2023). Extraction of Cyanotoxins Using Filtration and Other Methods. In Protocols for Cyanobacteria Sampling and Detection of Cyanotoxin (pp. 285–293). Singapore: Springer Nature Singapore.
  7. Liyanage, G.Y., Manage, S.P., Abeysiri, H.A.S.N., Manage, P.M. and Kulasooriya, S.A. (2023). Rapid Detection Method of Microcystin in Water. In Protocols for Cyanobacteria Sampling and Detection of Cyanotoxin (pp. 363–372). Singapore: Springer Nature Singapore.
  8. Liyanage, G.Y., Kulasooriya, S.A., Manage, S.P., Dissanayake, D.M.P.I., Bandara, K.R.V., Prabhath, B. and Manage, P.M. (2023). Screening of Polyketide Synthase Genes in the Anatoxin-a-Producing Cyanobacteria. In Protocols for Cyanobacteria Sampling and Detection of Cyanotoxin (pp. 375–379). Singapore: Springer Nature Singapore.
  9. Dilrukshi, K.T., Abeysiri, H.A.S.N., Imanthi, K.P.A., Wijerathna, P.A.K.C., Manage, P.M. and Kulasooriya, S.A. (2023). Detection of cyanotoxins using vertebrate bioassays in mice. In Protocols for Cyanobacteria Sampling and Detection of Cyanotoxin (pp. 197–203). Singapore: Springer Nature Singapore.
  10. Abeysiri, H.A.S.N., Dilrukshi, K.T., Kulasooriya, S.A. and Manage, P.M. (2023). In Vitro Assay for Determining Cyanotoxin Using Cell Line Method: Hepatotoxicity (Cell Lines—HepG2, Caco-2, and V79). In Protocols for Cyanobacteria Sampling and Detection of Cyanotoxin (pp. 253–257). Singapore: Springer Nature Singapore.
  11. Bandara, K.R.V., Peiris, L.D.C., Dissanayake, D.M.P.I., Manage, P.M. and Kulasooriya, S.A. (2023). Detection of Cyanobacterial Cell Wall Components by Cellular Signaling Biosensors. In Protocols for Cyanobacteria Sampling and Detection of Cyanotoxin (pp. 475–481). Singapore: Springer Nature Singapore.

SDGs 6, 14 and 15 — 7. Water Quality, Aquatic Pollution and Environmental Monitoring

  1. Weerakoon, D., Gunawardena, J., Pathmalal, M.M., Rajapaksha, I., Ralapanawa, V., Withanage, H., Gunawardena, N., Amarasekera, H. and Dabare, R. (2020). State of Sri Lanka’s Environment (2020).
  2. Wijerathna, P.A.K.C., Ekanayake, M.S., Idroos, F.S. and Manage, P.M. (2023). Biological Wastewater Treatment Technology. Microbial Technologies and Their Applications, Nova science Publishers.
  3. Thivijan, S., Pavalakumar, D., Gunathunga, C.J., Undugoda, L.J., Manage, P.M., Nugara, R.N., Bandara, P.C., Thambugala, K.M., Al-Asmari, F. and Promputtha, I. (2024). Influence of indigenous non-Saccharomyces yeast strains on the physicochemical and sensory properties of wine fermentation: a promising approach to enhancing wine quality. Frontiers in Cellular and Infection Microbiology, 14, p.1495177.

SDGs 6, 7, 9 and 12 — 8. Wastewater Treatment, Resource Recovery and Bioenergy

  1. Chandrasiri, Y.S., Weerasinghe, W.M.L.I., Madusanka, D.A.T. and Manage, P.M. (2022). Bioethanol: emphasis on the conversion of second-generation cellulose to energy. In Microbial Technologies and Its Application. New York: Nova Science Publishers.
  2. Koliyabandara, P.A., Mahagamage, M.G.Y.L., Wijerathna, P.A.K.C., Ishara, G.K.K. and Manage, P.M. (2025). Valorization of wastewater for hydrogen production and for storage materials: Ecological and economical point of views. In Accelerating the Transition to a Hydrogen Economy (pp. 81–103). Elsevier.
  3. Madusanka, D.A.T. and Manage, P.M. (2022). Biodiesel Production from Microalgae and Cyanobacteria: A Short Review.
  4. Pathmalal, M.M. and Madusanka, D.A.T. (2022). Tiny Renewable Engines: Microalgae and Cyanobacteria as Biofuel Providers. In Sustainable and Clean Energy Production Technologies (pp. 1–27). Singapore: Springer Nature Singapore.
  5. Imanthi, K.P.A., Madusanka, D.A.T., Pathmalal, M.M. and Idroos, F.S. (2023). Emerging trends of cyanobacteria-based microbial fuel cells as an alternative energy source. Development in Wastewater Treatment Research and Processes, pp.99–119.

SDGs 9, 12, 13, 14 and 15 — 9. Green Biotechnology and Nature-Based Remediation

  1. Sirisena, K.A., Liyanage, G.Y., Sadeepa, H.D.D. and Manage, P.M. (2023). ‘Extremophiles and enzymes’, in Karn, S.K. and Bhambri, A. (eds.) Microbial Technologies and Its Application. New York: Nova Science Publishers.

SDGs 6, 13, 14 and 15 — 11. Aquatic Ecosystem Health, Biodiversity and Microbial Ecology

  1. Abeysiri, H.A.S.N., Bandara, K.R.V., Sirisena, K.A. and Manage, P.M. (2022). ‘Phytoplankton in climate change and regulation’, in Karn, S.K. and Bhambri, A. (eds.) Microbial Technologies and Its Application. New York: Nova Science Publishers.
  2. Sadeepa, H.D.D., Sirisena, K.A. and Manage, P.M. (2024) ‘Assessment of microbial diversity in hot springs for sustainable industrial applications’, in Microbial Diversity in the Genomic Era. Academic Press, pp. 263–279.

SDGs 2, 3 and 12 — 12. Food Microbiology, Probiotics and Food Safety

  1. Pavalakumar, D., Undugoda, L.J.S., Manage, P.M. and Nugara, N.N.R.N. (2023). Trends in development of non-dairy probiotic beverages from tender coconut water: an avenue for expanding export market of Sri Lanka. Multisectoral approaches to accelerate economic transformation in the face of crisis in Sri Lanka, pp.86–103.

Ongoing Research

  1. Development of water quality indices (WQIS) for the Kelani and Kalu Rivers. Granted by Textile Manufacture and Hayleys Fabric of the Hayleys group, Sri Lanka.
  2. Study on Zoonotic Leptospira in Agricultural Ecosystems of Sri Lanka: Molecular Detection, Geospatial Analysis, and Antibiotic Resistance Mapping Granted by Hirdaramani, Fabric, Sri Lanka.
  3. Post- Construction Ecological Assessment of the 100 MW Thambapavani Wind Power Project- Mannar District. Granted by Ceylon Electricity Board
  4. Development of a Biochar-Based Phosphate-Solubilizing Bacterial and Fungal Inoculant to Enhance Phosphate Solubility and Plant Uptake
  5. Sustainable Management of Municipal Wastewater Treatment Sludge Using Black Soldier Fly (BSF) Larvae (Hermetia illucens)
  6. Single-chip wireless sensor node for in-situ measurements of selected water quality parameters
  7. Impact of urbanization on structure and functions of wetlands ecosystem: Case study-  Bellanvila- Attidiya Wetland
  8. Exploiting natural soil microbes as a biofertilizer to enhance soil fertility: A sustainable agricultural approach
  9. Sustainable development of commercial Oyster production in Sri Lanka through assessment of oyster depuration methods: use of microbiological screening and molecular methods evaluate the efficiency of depuration.
  10. Photoprotective and Anti-Ageing Properties of selected Marine red algae, Gracilaria With possible development of Cosmeceutical.
  11. Development of a Carbon Conversion Based Index for Estimating Sustainable Fish Stock Density in Reservoirs
  12. Investigating growth and microbiome composition of the Asian green mussel (Perna viridis) across contrasting lagoon environments to promote sustainable and profitable mussel farming in Sri Lanka.
  13. Development of a Broad-spectrum lateral flow immune strip for on- site screening of mycrocystins and cylindrospermopsin water suppliers of Sri Lanka.
  14. Integrated biovalorization of food waste for producing bioethanol, mycoproteins, pigments and biogas: Biowaste for a green circular economy Bio based solution to remove antibiotic contaminants in drinkable wastewater; Apply microbiome to green nanotechnology
  15. Development of probiotic green coconut water beverage with bio-preservative ability using indigenous microbial consortium
  16. Analysis of microplastic prevalence in the selected soil grown vegetables in Sri Lanka sustainable bioremediation approach of microplastic in agriculture land.
  17. Micro- encapsulated symbiotic gummies enriched with edible plant gums: a novel approach to oral health enhancement via probiotic and post-biotic action