Prof.(Mrs).J.Prabagar
Professor in Chemistry
jasothap@univ.jfn.ac.lk
+94212218193
Admin Role
Publication
Awards & Grants
Teaching
Admin Role
- Head, Department of Chemistry, University of Jaffna from November 2025 to date.
- Representative from the Faculty of Science to the Senate from January 2022 to June 2023.
- Member of sub-committee of Research and Education committee of CGEE 2022-2025
- Senior Treasurer, University of Jaffna English Speakers Club, from September 2021 to 2023
- Subject Coordinator for Environmental Science, Faculty of Science from January, 2022 to 2025
- Department of Chemistry Activity Coordinator, ELTA-ELSE Development project, AHEAD program from September 2021 to June 2022
- Chairperson, Career Guidance Cell, from Sept 2020 to August 2023.
- Coordinator for science exhibition for school students held on 2020 in the university of Jaffna
- Chairperson of Technical Evaluation Committee for research section of Palmyrah Development Board from 2020 to 2025
- Chief Examiner in G.C.E (A/L) Examinations (Chemistry) conducted by the Department of Examinations, Sri Lanka (2014, 2015, 2018 and 2020, 2025)
- Academic Counsellor of the Faculty of Science from 01.09.2020 to 31.08.2023
- Chairperson of JSA section A, 2019/2020
- Team member of SER of faculty of science, 2019
- Senior Treasurer, Chemical Society, University of Jaffna, 2018-2019 and 2019-2020
- Secretary, Vingnanam International Research Conference (VIRC)-2018
- Subject Coordinator for “Applied Science- Chemistry” from 2017 to 2020
- Student Counsellor in the Faculty of Science From 01.02.2019 to 29.02.2020 and from 01.02.2018 to 31.01.2019
- Team member of TEC for procumbent consumables and laboratory equipment, 2015
- Treasurer, Jaffna University Science Teachers’ Association (JUSTA); 2015 / 2016
- Chairperson, technical session in JSA – 2014
Publication
Journal Publications
- Prabagar, J., Prabagar, S. & Thuraisingam, S. 2026. Spatial variation of groundwater quality using Water Quality Index and Principal Component Analysis in Jaffna, Sri Lanka. Discov. Chem. 3, 68. https://doi.org/10.1007/s44371-025-00464-w.
- Subajini Mahilrajan, Suganja Thuraisingam, Jasotha Prabagar, 2025, Exploring the nutritional, health and economic potential of palmyrah fruit pulp, Food Chemistry Advances, 6, 100880
- N. Anoja, R. C. L. De Silva, J. Prabagar, 2024, An in depth review of analytical methods for cadmium detection in seawater through graphite furnace atomic absorption spectrometry, Discover Chemistry,1:49 https://doi.org/10.1007/s44371-024-00060-4
- N. Anoja, R. C. L. De Silva, J. Prabagar, 2024, Identification of Major Interfering Substances for Heavy Metal Determination in Northern Sea Areas of Sri Lanka, Asian Journal of Applied Chemistry Research, 15(4):138-146 https://doi.org/10.9734/ajacr/2024/v15i4302
- Mayurika Mahendran, Subramaniam Prabagar, Suganja Thuraisingam, Jasotha Prabagar, 2024, Removal of nitrate ion from aqueous solution using palmyrah nut shell activated carbon: factorial optimization and equilibrium studies, Discover Civil Engineering 1 (1), 52.
- Thisari Prarthana, R Chinthaka L De Silva, Subramaniam Prabagar, Suganja Thuraisingam, Jasotha Prabagar, 2024, Incorporation of Wood ash and waste glass powder in enhancing concrete block performance, SLAAS, 6, (1)17-24
- M Y F Hasna, Anuluxan Santhiran, Subramaniam Prabagar, Suganja Thuraisingam, Jasotha Prabagar. 2024. Photocatalytic degradation of methylene blue dye using silver nanoparticles prepared from Raphanus sativus, SLAAS, 6, (1) 39-49
- Subramaniam Prabagar, Suganja Thuraisingam, Jasotha Prabagar. 2023. Sediment analysis and assessment of water quality in spacial variation using water quality index (NSFWQI) in Moragoda canal in Galle, Sri Lanka, Waste Management Bulletin, 1(2), 15-20
- Subramaniam Prabagar, Jasotha Prabagar, Suganja Thuraisingam, The Influence of Eco-friendly Ash on Sustainable Construction Material: A Review, Applied Science and Innovative Research 6(3):2022, DOI: 10.22158/asir.v6n3p39
- D.S.G.D Senawirathna, Suganja Thuraisingam, Subramaniam Prabagar, Jasotha Prabagar. Fluoride removal in drinking water using activated carbon prepared from palmyrah (Borassus flabellifer) nut shells. Current Research in Green and Sustainable Chemistry, 5, 100304, 2022
- Santhiran Anuluxan, A. C. Thavaranjit, Subramaniam Prabagar, Chinthaka L. De Silva, Jasotha Prabagar. Synthesis of silver nanoparticles from Turbinaria ornata and its antibacterial activity against water contaminating bacteria, Chemical Papers, 76(2):3, 2022
- Subramaniam Prabagar, Rathnayake Mudiyanselage Dharmadasa, Anantharasa Lintha, Suganja Thuraisingam, Jasotha Prabagar. Accumulation of heavy metals in grape fruit, leaves, soil and water: A study of influential factors and evaluating ecological risks in Jaffna, Sri Lanka. Environmental and Sustainability Indicators, 12, 100147, 2021. https://doi.org/10.1016/j.indic.2021.100147
- Glanista, T., Prabagar, J., Suganja, T., & Srivijeindran, S. (2021). Determination of authenticity of Palmyrah toddy using chemical tests. Ceylon Journal of Science, 50(1), 57–62. http://doi.org/10.4038/cjs.v50i1.7847
- Kalaivani Gobalarajah, Prabagar Subramaniam, Uthpala Apekshani Jayawardena, Gobalarajah Rasiah, Sittampalam Rajendra and Jasotha Prabagar, Impact of water quality on Chronic Kidney Disease of unknown etiology (CKDu) in Thunukkai Division in Mullaitivu District, Sri Lanka, BMC Nephrology, 2020, 21: 507. https://doi.org/10.1186/s12882-020-02157-1
- J. Prabagar, S. Prabagar and S. Thuraisingam, Nitrate contamination of groundwater: An issue for livelihood in Jaffna Peninsula, Sri Lanka, African Journal of Agricultural Research, 2020, 16(7), pp. 1025-1032
- J. Prabagar, A. R. Cowley, J. M. Brown, Electrophilic routes to tertiary adamantly and diamantylphosphonium salts, Synlett, 2011, pp: 2351-2354
CONFERENCE PAPERS
- R.Sajimeera, J. Prabagar and N.Anoja. Comparative Assessment of Ozonation and Chlorination for microbial inactivation to mitigate waterbourne health risks in critical water sources of Northern Sri Lanka. Symposium on Materials and Health Application (AMCEHA-2026)
- R.sajimeera, N.Anoja and J. Prabagar, Applicability of Oxidation Reduction Potential Monitoring to Assess Oxidative Treatment Efficiency of Chlorine and Ozone in Natural Waters: Iranamadu Reservoir, Sri Lanka . Symposium on Circular Economy, Pollution Control & One Health, (ECOCONFERENCE- 2026)
- R. Sajimeera, N. Anoja, and J. Prabagar, Source-Specific Efficiency of Pre-Ozonation and Pre-Chlorination for Turbidity Control in surface and Groundwater to support Sustainable Water Safety in Northern Sri Lanka. Symposium on Effectiveness of Emergency and Incident Management in Water Supply and Sanitation Systems, (IWA Water Safety Conference & Exhibition-2026)
- N. Anoja, R.C.L De Silva and J. Prabagar. Eco-Friendly Graphite Furnace Atomic Absorption Spectrophotometry Protocol for Trace Cadmium Monitoring in Hypersaline Waters: Advancing Water Safety and Sustainable Desalination Management in Northern Sri Lanka. Proceedings of the abstract IWA Water Safety Conference & Exhibition 2026.
- K.M. Senevirathna and J. Prabagar. Adsorptive removal of chromium (VI) from aqueous solutions using activated carbon derived from Calabash (Crescentia cujete) fruit shell. The Tri-Annual Publication of the Institute of Chemistry Ceylon. 2025_276.
- N.Anoja, R.C.L De Silva and J. Prabagar. Development of an Optimized and Environmentally Sustainable Graphite Furnace Atomic Absorption Spectrometry (GFAAS) Method for Trace Cadmium Determination in High-Salinity Waters, Proceedings of the abstract 18th International Research Conference of KDU 2025.
- N.Anoja, R.C.L De Silva and J. Prabagar. Interference of mineralogical composition of sea water on heavy metal determination by graphite furnace atomic absorption spectrometry. Chemical and Physical Science: Proceedings of the abstract Vingnanam Research Conference 2024. pp 24.
- K Sithamparapalini, P J Jude, B R Thangarajah,J. Prabagar, S.Prabagar, Uthpala Jayawardena, (2024). Risk factors associated with chronic kidney disease of unknown etiology (CKDu) in Jaffna district, Sri Lanka. Proceedings of the 44th annual sessions of institute of biology, Sri Lanka.
- Thisari Prarthana, R Chinthaka L De Silva, Subramaniam Prabagar, Suganja Thuraisingam, Jasotha Prabagar (2024). Preparation of Concrete Block Incorporated with Wood Ash and Waste Glass Powder, IPSL – Institute of Physics Sri Lanka,
- U. Sinthujah, B. Anulukshy, and J. Prabagar (2023). Formulation of natural soap with reduced free alkali content and enhanced antimicrobial properties, The Tri-Annual Publication of the Institute of Chemistry Ceylon, 40(2), 30.
- Fasna M.I.F, S.Prabagar, J. Prabagar. Impact of agriculture practices on water quality parameters of ground water from Valikamam area in Jaffna district, Sri Lanka. Proceedings of 7th Ruhuna International Science & Technology Conference (Ristcon-2020) University of Ruhuna, Matara, Sri Lanka.
- S.Prabagar, R.M. Dharmadasa, S.Thuraisingam, J. Prabagar The Impacts of Agrochemicals on Grape yards in Jaffna District in Sri Lanka. 27th Annual session, Jaffna Science Association, 2020.
- Kalaivani, G, Prabagar S. Jayawardena U.A, Rajendra S, Gobalarajah, R, Prabagar, J. Investigation of risk factors in water samples on Chronic Kidney Disease of unknown aetiology (CKDu) in Thunukkai, Mullaitivu. 27th Annual session, Jaffna Science Association, 2020
14. - H.G.N.Rajapaksha, S.Prabagar, S.Navaranjan, J. Prabagar. Assessment of ground water quality in the Municipal area of Jaffna Peninsula. Proceedings of the 6th Ruhuna International Science and Technology Conference University of Ruhuna, Sri Lanka, 30th January, 2019.
- Jeyamaruthy J, Tharjiga M, Murali V, Prabagar J. Quality of drinking water available to students of schools in the Thenmaradchi Education Zone and factors associated with quality of water. Proceeding of the Undergraduate Research Symposium 2018, Faculty of Medicine University of Jaffna, pp 31, 7th August 2018.
- G. Kalaivani, S. Prabagar, S. Rajendra, J. Prabagar. Preliminary investigation on geographical distribution of CKD/CKDu patients in Northern Province. Proceedings of the International Conference on Chronic Kidney Disease of Unknown Etiology, pp 12, 8-9 December 2018, University of Peradeniya, Sri Lanka.
- S.Navaranjan, S.Prabagar, H.G.N.Rajapaksha, J.Prabagar. Investigation of some water quality parameters in the ground water of East and Central regions of Valigamam Zone in Jaffna Peninsula. Proceedings of the 3rd International Research Symposium on Pure and Applied Sciences, Sri Lanka, pp 121, 26th October 2018.
- Shanmugaratnam, S., Pramasivam, P., Prabagar, J. Removal of Calcium ions from its Aqueous Solutions by Moringa Oleifera Fruit Coat. Proceedings of the 4th Jaffna University Research Conference, Sri Lanka, pp 580-583, 27- 28th September 2018.
- S. Prabagar, P. Jasotha and S. Thuraisingam. Nitrate Contamination of Ground water: an Issue for Livelihood in Jaffna Peninsula, Sri Lanka. Proceedings of Northern Province Water Resource Development Colloquium, 2017, pp 45.
- S. Sivagnanasundaram, J. Prabagar and G. Sashikesh, Kinetic study of acid hydrolysis of palmyrah (Borassus flabellifer) fruit husk to glucose, Proceedings of the Peradeniya University Research Sessions, Sri Lanka, Vol. 21, 24th November 2017.
- J.G.T.N.S. Ubesena, S. Janupriya, K. Velauthamuty, A.C. Thavaranjit and J. Prabagar, Degradation of hydrocarbons by bacteria isolated from used oil contaminated water, Fifth International Symposium on Water quality and Human health, 05- 06 August, 2016
- S. Tharshana, G. Sashikesh, J. Prabagar and R. Senthooran. Physicochemical characteristics of groundwater in a selected agricultural area in Neervely, Jaffna. Fourth International Symposium on Water quality and Human health, 01-02 August, 2015.
- M.Vishnumeera, R. Senthooran, G. Sashikesh, and J. Prabagar (2014). Physicochemical characteristics of selective well water samples in Kilinochchi and Mullaitivu districts, Sri Lanka, Third International Symposium on Water quality and Human health, 27-28 June, 2014.
- Aravinthan, and J. Prabagar (2013). Effect of pipeline sources on drinking water quality in selected areas in Jaffna peninsula, Sri Lanka, 2nd International Symposium on Water quality and Human health, 15-16 March, 2013.
- J. Prabagar, J. M. Brown C-H (2004). Activation of thiazolium and benzothiazolium salts by platinum phosphine complexes and synthesis of adamantly phosphines. Poster presentation in 14th International Symposium on Homogeneous Catalysis, 5th July – 9th July 2004. Technische Universitat Munchen, Germany.
Awards & Grants
- Treasury grant -2024, Effects of Multi-ionic interactions and cyanotoxins in Chronic Kidney disease of unknown etiology: A systematic analysis of water samples in Mullaitivu District, Sri Lanka – Co investigator
- University Research Grant – 2016, “Impact of water quality parameters on Chronic Kidney Disease of unknown etiology (CKDu): A quantitative study using selected well water samples in Northern Province”, University of Jaffna, Jaffna, Sri Lanka -Principal Investigator
- Treasury grant -2018, The Evaluation of impacts of Agrochemicals on Grape tree and Grape cultivating soil and water; study of Heavy metals, Nitrate and Phosphate content – Co- investigator
- University Research Grant – 2015, “Efficiency of bacterial degradation on used oil contaminated sites”, University of Jaffna, Jaffna, Sri Lanka – Principal Investigator
- Prize for the Best solution Oriented Thesis Award-2016, given by the University Business Linkage Initiative Program University of Jaffna for Undergraduate Research Supervision on ‘‘Micro Remediation of Used oil (Petroleum hydrocarbon) contaminated Ground water”
- Clarendon Fund from Oxford University to pursue DPhil degree at Oxford in 2001
- University prize for best performance in special degree examination (Considering all subjects) in 1999
- Sir Arunachalam Mahadeva memorial prize in chemistry for the best performance in the special degree in chemistry in 1999
- Ratnanather memorial scholarship for the best performance in the general degree units in chemistry at the third examination in science in 1998
- Handy Perinpanayagam memorial prize for the best performance in the first two annual examinations in 1996
- Edmund J. Cooray memorial scholarship in chemistry for the being the best student selected to read for a special degree in chemistry in 1996
- University prize for the best performance in biological science in the second examination in science in 1996
- Varatharajah memorial prize for the best performance in chemistry in the first examination in science in 1995
- Sabalingam memorial prize for the best performance in biological science in the first examination in science in 1995
Teaching
- CHE101G2: General Chemistry
- CHE106G1: Practical Chemistry
- CHE201G2:Coordination Chemistry
- CHE301M3: Advanced spectroscopic techniques
- CHE302M3: Applications of Group Theory and Diffraction Methods
- CHE305M2: Advanced Inorganic Practical Chemistry
- CHE401M3: Advanced Coordination Chemistry, Magnetochemistry, Organometallic Chemistry and Reaction Mechanism
- CHE404M 3: Bioinorganic chemistry, Nuclear and Radiochemistry,
