Department of Chemistry
University of Peradeniya
PhD : University of British Columbia, Vancouver, Canada (1985); BSc : University of Colombo (1978).
Taxonomy and search for new lichen species from Sri Lanka. Isolation of biologically active natural products from tropical lichens and endemic plants. Study of insect-lichen interactions. Synthesis of dibenzofuran lichen products from common depsides. Chemistry of endemic Annonaceae species. Synthesis of porphyrin photosensitizers and their application in the control of disease causing mosquito larvae. Application of singlet oxygen generators in the abatement of common pollutants.
Sulfenamides as prodrugs in acidic compounds: A new prodrug option for the amide bond,V. Guarino, V. Karunaratne and V. Stella, Bioorg., (2007), Med. Chem. Lett. 17(17), 4910-3.
Insights on the chemical association between he larvae of the butterfly Talicada nyseus uses the lichen Leproloma sipmanianum, S. Kathirgamanathar, A. Wijesekera, D. S. A. Wijesundara, V. Karunaratne, (2008), Plant Interactions, 3, 25-30.
Antioxidant constituents of Xylopia Championii, S. Puvenendran, G. Carr, A. Wickramasinghe, D.N. Karunaratne, R.J. Andersen and V. Karunaratne, (2008), Pharmaceutical Biology, 46, 252-256.