Senior Lecturer
B.Sc. (USJP), Ph.D. (Mississippi State University, USA)
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Biosketch:
B.Sc. – University of Sri Jayewardenepura, Sri Lanka – 2009
Ph.D. – Mississippi State University, USA – 2016
Divisions:
Organic Chemistry
Undergraduate Teaching:
CHE 205 1.0 Chemistry of Heterocyclic and Bioorganic Compounds
CHE 345 1.0 Industrial Organic Chemistry
CHE 385 1.0 Asymmetric Organic Chemistry
ICH 363 2.0 Organic Synthesis and Industrial Applications
CHE 454 1.0 Medicinal Chemistry
CHE 462 2.0 Food Chemistry and Technology
ICH 478 2.0 Pharmaceutical Chemistry
Research interest :
Designing, synthesis and applications of small-molecule chemosensors, Synthesis of biologically active small molecules, Green chemistry applications in organic Synthesis, Microwave-assisted organic synthesis, Solid-phase organic synthesis, Extraction and chemical modification of natural products.
Selected Publications:
Indexed Journals:
- Wanniarachchi, P.C; Kumarasinghe, K.G.U.R., Jayathilake, C. Recent advancements in chemosensors for the detection of food spoilage, Food Chemistry, 2024, 436, 137733.
- Wijekoon, S; Gunasekara, C; Palliyaguru, L; Fernando, N; Jayaweera, P.M; Kumarasinghe, K.G.U.R. Solvent-free synthesis and antifungal activity of 3-alkenyl oxindole derivatives, Asian Journal of Green Chemistry, 2022, 6(4), 297-319.
- Weerasinghe, K; Liyanage, S; Kumarasinghe, K.G.U.R., Cooray, A.T. Synthesis of a bifunctional EDTA–carboxymethyl chitosan derivative and its potential as an adsorbent for the removal of Cu2+ ions from aqueous solutions, Polymers from Renewable Resources, 2022,13 (3), 170-187.
- Kumarasinghe, K. G. U. R.; Silva, W. C. H.; Fernando, M. D. A.; Palliyaguru, L.; Jayawardena, P. S.; Shimomura, M.; Fernando, S. S. N.; Gunasekara, T. D. C. P.; Jayaweera, P. M. One-Pot Reducing Agent-Free Synthesis of Silver Nanoparticles/Nitrocellulose Composite Surface Coating with Antimicrobial and Antibiofilm Activities, BioMed Research International, 2021, 2021, 1-16.
- Fernando, H.N.; Kumarasinghe, K. G. U. R.; Gunasekara, T. D. C. P.; Wijekoon, H. P. S. K.; Ekanayaka, E. M. A. K.; Rajapaksha, S. P.; Fernando, S. S. N.; Jayaweera, P.M. Synthesis, characterization and Antimicrobial Activity of Garcinol Capped Silver Nanoparticles, J. Microbiol. Biotechnol, 2019, 29 (11), 1841-1851.
- Palliyaguru, L.; Kulathunga, M. U. S.; Kumarasinghe, K. G. U. R.; Jayaweera, C. D.; Jayaweera, P.M. Facile Synthesis of Titanium Phosphates from Ilmenite mineral Sand: Potential White Pigments for Cosmetic Applications, J. Cosmet. Sci, 2019, 70 (3) 149.
- Kumarasinghe, K. G. U. R.; Fronczek, F. R.; Valle, H. U.; Sygula, A. Bis corannulenoanthracene: An Angularly Fused Pentacene as a Precursor for Barrelene-Tethered Receptors for Fullerenes. Org. Lett. 2016, 18, 3054-3057.
- Kumarasinghe, K. G. U. R.†; Box, H. K.†; Nareddy, R. R; Akurathi, G.; Chakraborty, A.; Raji, B.; Rowland, G. B. Rhodium-catalyzed coupling of α-lactams with indole derivatives. Tetrahedron 2014, 70, 9709 –9717. †Both authors contributed equally.
Peer reviewed Journals
- Samaradiwakara, D.M.T.A; Kandambi, H.H; Kumarasinghe, K.G.U.R. Recent advances in green approaches for synthesis of oxindole derivatives. Current Scientia (Special Issue). Current Scientia – Special Issue of Review Articles. 2023, 1(s1), 208-236.
- De Silva, A.U.T; Kumarasinghe, K.G.U.R. Indole-based fluorometric and colorimetric chemosensors for the selective detection of Cu2+: A brief review from the year 2011-2021. Current Scientia – Special Issue of Review Articles. 2023, 1(s1), 191-207.
- Rizana, A; Cooray, A.T; Kumarasinghe, K.G.U.R. Microwave-assisted one-pot multicomponent synthesis of indole derived fluorometric probe for detection of Co2+ ions. Vidyodaya Journal of Science 2022, 24 (2), 27-42.
Research Communications (Selected International conferences)
- Umaya, T; Cooray, A.T; Kumarasinghe, K.G.U.R., Microwave-assisted synthesis of silica-supported indole-derived fluorometric chemosensor for the detection of Ag+ ions. ACS Fall Meeting 2023. Control ID: 3923168.
- Rizana, A; Cooray, A.T; Kumarasinghe, K.G.U.R., Microwave-assisted one-pot multicomponent synthesis of indole derived fluorometric probe for detection of Co2+ ions. ACS Fall Meeting 2021. Control ID: 3591631.
- Samarasiri, V.S; Kumarasinghe, K.G.U.R.; Cooray, A. Modification of the SPADNS method to develop a sensor as a dye sensitized strip in assessing fluoride levels in drinking water. ACS Fall meeting 2019 Control ID: 3209969.
Awards:
Appreciation of the Research Council of the University of Sri Jayewardenepura for publishing full papers in recognized indexed journals in science citation index expanded in the year 2019.
Professor Tuley De Silva Gold medal for the overall best performance of B.Sc. Special Degree in Chemistry – 2009
Professor W.S. Fernando Gold medal for the best performance of Inorganic and Physical Chemistry in third and fourth year in B.Sc. Special Degree in Chemistry – 2009
Chemical Industries (Colombo) Limited Scholarship for the second best performance in B.Sc. Special Degree in Chemistry (Part I) examination – 2007-2008
Affiliations and Positions:
Coordinator, MSc/Master/PGD in Industrial Organic Chemistry-2021 to present
Secretary, Chemistry Olympiad Committee, Sri Lanka-2020/2023
Committee member, Chemistry Olympiad Committee, Sri Lanka-2020-Present
Treasurer, Sri Lankan Academy of Young Scientist-2022/2023
Council member, Sri Lankan Academy of Young Scientist-2021-2023
Member, American Chemical Society
Life Member, Sri Lankan Association of Advancement of Science (SLAAS)-Section E2
Member, Institute of Chemistry, Ceylon
Treasurer, Vidujaya Science Teachers’ Association-2022/2023
President, Vidujaya Science Teachers’ Association-2023/2024
Contact information:
Telephone: 0710187984
Web: https://scholar.google.com/citations?user=exKA1z0AAAAJ&hl=en
Email: upulk@sjp.ac.lk