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Medical Laboratory Science, Laboratory Animal Science, Water Biochemistry & Microbiology
Temporary Demonstrator July 2020 to October 2020 at the Depatment of Microbiology, Faculty of Medicine, University of Ruhuna.
Temporary Demonstrator October 2020 to June 2022 at the Department of Medical Laboratory Science, Faculty of Allied Health Sciences, University of Ruhuna.
Graduate Research Assistant July 2022 to November 2024 at Postgraduate Institute of Science, University of Peradeniya.
MDU 5407 Laboratory Automation & Instrumentation
MDU 4406 Histopathology
MDU 5209 Advanced Techniques in Medical Laboratory Science
(1) Karunaratha, U., Yapa, P., Menike, A.A.I.S., Ganesh, L., Ganesh, K.S.V.A.B., Thilakarathna, A., Gunatilake, M., Singh, V.P., Md Isa, M.L., Poosala, S. & Baumans, V. (2024). Religion-based perspective and influences on use of animals in research. Journal of Laboratory Animal Science, 7 (2), pp 54-68
(2) Fareed F., Thilakarathna, P.T.A., Karunaratne, S.H.P.P. & Noordeen, F. (2024) Cryptosporidium infections in Sri Lanka: A Systematic Review. Ceylon Journal of Science 53 (2), pp 291-299.http://doi.org/10.4038/cjs.v53i2.8358
(3) Thilakarathna, P.A., Fareed, F., Makehelwala, M., Weragoda, S.K., Fernando, R., Premachandra, T., Rajapakse, M., Wei, Y., Yang, M., & Karunaratne, S.H.P.P. (2024). Land-Use Pattern-Based Spatial Variation of Physicochemical Parameters and Efficacy of Safe Drinking Water Supply along the Mahaweli River, Sri Lanka. Water, 16 (18): 2644. https://doi.org/10.3390/w16182644
(4) Thilakarathna, P. T. A., Fareed, F., Athukorala, S. N. P., Jinadasa, R., Premachandra, T., Noordeen, F., Gamage, C. D., Makehelwala, M., Weragoda, S. K., Fernando, B. R., Zhang, Y., Wei, Y., Yang, M., & Karunaratne, P. (2025). Spatio-temporal variation of microbial indicators of river water and treatment efficiencies of drinking water treatment plants along the upper Mahaweli River segment of Sri Lanka. Environmental Pollution, 125628. https://doi.org/10.1016/j.envpol.2025.125628
Thilakarathna, P.T.A. (2021). Impact of diabetes mellitus on life-threatening complications of COVID-19: a scoping review. Proceedings of the 4th National Library Research Symposium – 2021, Sri Lanka, pp.17-29
(1) Thilakarathna, P.T.A., Dissanayake, M., Gunawardana, K.B. & Akalanka, H.M.K. (2020) Assessment of dilution linearity of six common serum tumor markers using commercial diluents and pooled serum on automated immunoassay platforms. Proceedings of the 3rd Research Symposium of the Faculty of Allied Health Sciences, University of Ruhuna, Sri Lanka. October 2nd, 2020: 17p.
(2) Thilakarathna, P.T.A. (2021) Analytical performance of glucometers as point of care testing devices in management of diabetes mellitus: a scoping review. Proceedings of the 30th Anniversary Academic Sessions, Faculty of Medicine, University of Kelaniya, Sri Lanka. October 28th – 31st, 2021: 72p
(3) Thilakarathna, P.T.A., Prabodhi, H.L.K. & Bandara, W.V.R.T.D.G. (2022) Post-vaccination symptoms of COVID-19 vaccines among adults in Galle. Galle Medial Journal, 27(1): 17p.
(4) Wickramasinghe, S.S., Wickramasuriya, H., Piyasiri, D.L.B., Thilakarathna, P.T.A., Nagahawatte, A.D.E.S., Wijayaratne, G.B., Weerasinghe, N.P., Gunasena, S., Thabrew, H., Padmini, J.L. & Dharmasiri, G.N.T. (2022) In-vito assessment of carbapenum susceptibility against clinical isolates of extended spectrum beta-lactamase producing Gram-negative bacteria in the Teaching Hospital Karapitiya. Ruhuna Journal of Medicine, 10 (1): 34p.
(5) Karunaratne, S.H.P.P., Thilakarathna, P.T.A., Fareed, F., Makehelwala, M., Premachandra, T.N., Weragoda, S.K., Jinadasa, R., Athukorala, A.D.S.N.P., Noordeen, F., Rajapakse, M., Fernando, B.R., Gamage, C., Wei, Y. & Yang, M. (2022) Study on microbial and chemical pollution of Mahaweli water at water treatment plants located between Kotmale and Victoria reservoirs. Proceedings of the 13th International Conference on Sustainable Built Environment – 2022, Kandy, Sri Lanka. December 16th – 18th, 2022: 162p.
(6) Thilakarathna, P.T.A., Prabodhi, H.L.K. & Bandara, W.V.R.T.D.G. (2023) Acceptance and perception of COVID-19 vaccination among adults in the Galle district. Proceedings of the 11th YSF Symposium – 2023. January 27th, 2023: 130p.
(7) Wickramasinghe, S.S., Wickramasuriya, H., Piyasiri, D.L.B., Thilakarathna, P.T.A., Nagahawatte, A.D.E.S., Wijayaratne, G.B., Weerasinghe, N.P., Gunasena, S. & Thabrew, H. (2023) Antibiotic sensitivity of multidrug resistant bacteria isolated among patients admitted to a Tertiary Care Centre in Southern Sri Lanka. Proceedings of 20th Academic Sessions of University of Ruhuna, Sri Lanka – 2023. June 7th, 2023: 116p.
(8) Fareed, F., Thilakarathna, P.T.A., Noordeen, F., Bandara, D.R.L.N., Jinadasa, R., Premachandra, T.N., Makehelwala, M., Fernando, R., Gamage, C., Rajapakse, M., Weragoda, S.K. & Karunaratne, S.H.P.P. (2023) Cryptospordium species contamination in waters treated at selected treatment plants along the Mahaweli River. Proceedings of the Third International Conference of the Centre for Environmental Sustainability 2023, University of Peradeniya, Sri Lanka. August 25th, 2023: 26p.
(9) Thilakarathna, P.T.A., Fareed, F., Athukorala, S., Premachandra, T.N., Noordeen, F., Rajapakse, M., Weragoda, S.K. & Karunaratne, S.H.P.P. (2023) Enumeration of heterotrophic bacteria in raw and treated water of the river Mahaweli – A culturebased approach. Proceedings of the Peradeniya University International Research Sessions (iPURSE) 2023, University of Peradeniya, Sri Lanka. September 20th and 21st, 2023: 203p.
(10) Thilakarathna, P.T.A., Fareed, F., Athukorala, S., Premachandra, T.N., Noordeen, F., Makehelwala, M., Fernando, R., Gamage, C., Rajapakse, M., Weragoda, S.K. & Karunaratne, S.H.P.P. (2023) Monitoring coliform contamination at Mahaweli river water intakes to ensure safe drinking water supply. Proceedings of the 12th Annual Conference and Scientific Sessions of Sri Lanka Society for Microbiology, Sri Lanka. Oct 27th, 2023: 25p.
(11) Fareed, F., Suganya, T., Thilakarathna, P.T.A., Jinadasa, R., Premachandra, T.N., Weragoda S.K. & Karunaratne, S.H.P.P. (2023) Prevalence of antibiotic resistance bacteria along the Mahaweli river segment between Kotagala and Balagolla. Proceedings of PGIS Research Congress 2023, Postgraduate Institute of Science, University of Peradeniya, Sri Lanka. November 3rd and 4th, 2023: 16p.
(12) Thilakarathna, P.T.A., Fareed, F., Makehelwela, M., Premachandra, T.N., Weragoda S.K. & Karunaratne, S.H.P.P. (2023) Physico-chemical characteristics of inlet and outlet water in water treatment plants along the Mahaweli river between Kotmale and Victoria reservoirs. Proceedings of PGIS Research Congress 2023, Postgraduate Institute of Science, University of Peradeniya, Sri Lanka. November 3rd and 4th, 2023: 17p.
(13) Fareed, F., Noordeen, F., Thilakarathna, P.T.A., Premachandra, T.N., Weragoda, S.K., Wei, Y., Yu, Z., Yang, M. & Karunaratne, S.H.P.P (2023) Detection of Cryptosporidium and coronavirus in influent and effluent water in selected water treatment plants along the Mahaweli River in Kandy district. Proceedings of the 14th International Conference on Sustainable Built Environment – 2023, Kandy, Sri Lanka. December 16th – 18th, 2023: 199p.
(14) Thilakarathna, P.T.A., Athukorala, S., Fareed, F., Jinadasa, R.N., Premachandra, T.N., Makehelwela, M., Fernando, B.R., Weragoda, S.K., Wang, Y., Yu, Z., Yang, M. & Karunaratne, S.H.P.P (2023) Diversity and antibiotic resistance of heterotrophic bacteria in drinking water: A study along the Mahaweli river water treatment plants from Kotagala to Balagolla. Proceedings of the 14th International Conference on Sustainable Built Environment – 2023, Kandy, Sri Lanka. December 16th – 18th, 2023: 200p.
(15) Thilakarathna P.T.A., Thammitiyagodage, M.G., Karunakaran, R. & Gunatilake, M. (2024) Evaluation of behavioural changes in Wistar rats on sounds of mobile phones. Proceedings of 11th Annual Scientific Sessions and International Conference of Sri Lanka Association for Laboratory Animal Science – 2024, Colombo, Sri Lanka. January 20th – 21st, 2024: 63p.
(16) Fareed, F., Thilakarathna, P.T.A., Jinadasa, R., Noordeen, F., Weragoda, S.K., Wang, Y., Wei, Y., Yu, Z., Yang, M. & Karunaratne, S.H.P.P (2024) Antibiotic resistance spectra of E.coli along the upper Mahaweli River segment of Sri Lanka. Proceedings of the 15th International Conference on Sustainable Built Environment – 2024, Kandy, Sri Lanka. December 20th – 22nd, 2024: 222p.
(1) Indian High Commissioner’s Annual Gold Medal Awarded for achieving the highest GPA for all subjects offered by the Department of MLS, FAHS, University of Ruhuna in 2020
(2) OncoSeek Bio Sponsored Award for the Best Poster Presentation – Second Place Awarded at Annual Scientific Sessions & International Conference of Sri Lanka Association for Laboratory Animal Science in 2024
(1) Life time member of Sri Lanka Association of Laboratory Animal Science (SLALAS/2021/095)
(2) Associate member of Young Scientists Forum, Sri Lanka (YSF/AM/22/30)