1) Ranaweera B.D.P.S., Karunawardana W.A.L.S., Abeysinghe D.T., Premaratne W.A.P.J. Development of Liquid Biofertilizer System from Bio-slurry Waste and Natural Resources: A Case Study on Early Growth of Chili (Capsicum annum L.) International Conference on Applied and Pure Sciences, Faculty of Science, University of Kelaniya, Sri Lanka, 2021, p-127
2) Rajapakshe R.E.D.D.M., Karunarathne W.D.V., Abeysinghe D.T. Determination of Losartan level in human blood by HPLC, 76th Annual sessions of Sri Lanka Association for the Advancement of Science 2020, p-162
3) Alwis D.D.D.H., Abeysinghe D.T., Kumara K. A. H., Chandrika U.G.. Analysis of major carotenoids and chlorophyll pigments present in the leaves of Clausena indica, 76th Annual sessions of Sri Lanka Association for the Advancement of Science 2020, p-161
4) Abeysinghe T., Alwis D.D.D.H., Kumara, K.A.H., Chandrika U.G. In vitro assessment of antioxidant, antimicrobial and phytochemical screening of methanol leaf extract of micromelum minutum growing in Sri Lanka, PGIS Research Congress, University of Peradeniya, 2020, p-145
5) Alwis D.D.D.H., Abeysinghe D.T., Kumara K. A. H., Chandrika U.G. Analysis of major carotenoids and chlorophyll pigments present in the leaves of micromelum minutum growing in Sri Lanka, The Open University Research sessions, The Open University of Sri Lanka, 2020, p-120
6) Abeysinghe T., Kumara K.A.H., Alwis D.D.D.H., Chandrika U.G. In Vitro Assessment of Antioxidant, Antimicrobial and Phytochemical Screening of Crude Methanolic Extract of Leaves of Murraya koenigii Growing in Sri Lanka, 7th Ruhuna International Science and Technology Conference 2020, p-109
7) Abeysinghe D.T., Kaushalya K.A.D., Kumara K.A.H., Alwis D.D.D.H. Comparison of proximate analysis and selected mineral element analysis of two major species of family Rutaceae, Muraya koenigii and Micromelum minutum, 75th Annual sessions of Sri Lanka Association for the Advancement of Science 2019, p-170
8) Alwis D.D.D.H., Fernando D.D.T.H., Jayaweera P.M., Chandrika U.G., Abeysinghe D.T. UV-Vis absorption study of some carotenoids and their aggregrates extracted from natural plant materials, 75th Annual sessions of Sri Lanka Association for the Advancement of Science 2019,(p-183)
9) Weerasinghe P., Abeysinghe T., Paranagama P.A. Assesment of in-vitro antioxidant activity and flavonoid content Vernonia cinerea , 4th International research symposium on Pure and applied Sciences Conference proceedings, University of Kelaniya, 2019, p-173
10) Weerasinghe P, Abeysinghe T., Paranagama P.A. Comparative study on proximate and Mineral composition in Vernonina cinerea, 20th International Postgraduate Research Conference proceedings, University of Kelaniya, 2019, p-86
11) Abeysinghe D.T., Kumara K.A.H., Alwis D.D.D.H., Chandrika U.G. Assesment of proximate and mineral content of Clausena indica leaves in Sri Lanka 20th International Postgraduate Research Conference proceedings, University of Kelaniya, 2019, p-86
12) Manohari I.D.M., Karunaratne W.D.V., Abeysinghe T. Determination of narcotic(morphine. Codeine, 6-monoacetylmorphine) levels in human urine by gas chromatography 4th International research symposium on Pure and applied Sciences Conference proceedings, University of Kelaniya, 2019, p-127
13) Ananda K Ghosh, Thelma Abeysinghe, Amnon Kohen, Altered Protein Dynamics Modified the Chemical Step in Thymidylate Synthase, Annual meeting of the American Society for Biochemistry and Molecular Biology, Chicago, USA. April 22-26th, 2017
14) Thelma Abeysinghe, Catherine Suchanek, Amnon Kohen, Experimental Studies of Enzyme Catalyzed Hydrogen-Transfer Reactions, The 34th Midwest Enzyme Chemistry Conference Proceedings,, North Western University, Illinois, USA. September 27th, 2014, p-22
15) Catherine Suchanek, Thelma Abeysinghe, Amnon Kohen, Initial Velocity Studies Comparing Heavy and Light Thymidylate Synthase,12th Annual College of Engineering research Open House Conference Proceedings, The University of Iowa, USA April 10th, 2014, p-17
16) Catherine Suchanek, Thelma Abeysinghe, Amnon Kohen, Method of Using Fast Cloning Technique to Express Thymidylate Synthase with Polyhistidine-tag to Aide in the Extraction of a Pure Protein, 13th Annual Meeting of American Institute of Chemical Engineers (AIChE), Hilton San Francisco Union Square, San Francisco, CA, USA November3-8th, 2013, p-23
17) Thelma Abeysinghe, Amnon Kohen, Effects of a remote mutation on different chemical steps catalysed by Thymidylate Synthase, 22nd Annual Biocatalysis and Bioprocessing Conference Proceedings, The University of Iowa, USA October 21-22nd, 2013, p-34
18) Thelma Abeysinghe, Zhen Wang, Amnon Kohen, Histidine 147 and its implications on the mechanism of Thymidylate Synthase, Holden Comprehensive Cancer Centre Research Retreat Proceedings, The University of Iowa, USA. June 13th, 2013, p-112
19) Thelma Abeysinghe, Amnon Kohen, the role of protein’s long range dynamics transfer in Thymidylate Synthase catalysed reactions, The 33rd Midwest Enzyme Chemistry Conference Proceedings, Loyola University, Chicago, USA. October 12th, 2013, p-21
20) Thelma Abeysinghe, Zhen Wang, Amnon Kohen, Effects of a Remote Mutation on the hydride transfer step in Thymidylate Synthase ,47th American Chemical Society (ACS) Midwest Regional Conference Proceedings, Omaha, USA, October 24-27th, 2012, p-32
21) Thelma Abeysinghe, Zhen Wang, Amnon Kohen, Effects of Y209W on the hydride transfer step catalysed in Thymidylate Synthase, Holden Comprehensive Cancer Centre Research Retreat Proceedings, The University of Iowa, USA. June 14th, 2012, p-12
22) Thelma Abeysinghe, Zhen Wang, Amnon Kohen, Long Range Protein Effects of Thymidylate Synthase, The 31st Midwest Enzyme Chemistry Conference Proceedings, University of Chicago, Chicago, USA. October 15th, 2011, p-18
23) Thelma Abeysinghe, Zhen Wang, Amnon Kohen, Purification of R-6xH] – N5, N10 –methylene-5,6,7,8-tetrahydrofolate for studies of Thymidylate Synthase, The 30th Midwest Enzyme Chemistry Conference Proceedings, North Western University, Illinois, USA. October 16th, 2010, p-17
