Karunanayake GA, Samarakoon SR, Perera ME, Muruganathan A, Tennekoon KH, Karunanayake EH. Preliminary characterization of some cDNA clones of Setaria digitata. Abstract of 4^th  Annual Scientific Sessions, 2011, Organized by the  Institute of Biochemistry Molecular Biology & Biotechnology, University of Colombo, Sri Lanka.

Galhena PB, Thabrew MI, Samarakoon SR, Solomon FDP, Venkatachalam P, Tennekoon KH. In-vitro protective role of a poly-herbal preparation comprised of Nigella sativa (seeds), Hemidesmus indicus (roots), and Smilax glabra (rhizome) against bleomycin induced cytogenetic damages in human peripheral blood lymphocytes: A preliminary study. Abstract of 4^th  Annual Scientific Sessions, 2011, Organized by the  Institute of Biochemistry Molecular Biology & Biotechnology, University of Colombo, Sri Lanka.

Saman B Kotigala, Ishani Gammana-Liyanage, Sameera R Samarakoon, Ira Thabrew, Kamani H Tennekoon In vitro anti-carcinogenic effects of a decoction of  Fluggea leucopyrus (aerial parts) on human endometrial carcinoma (AN3CA) cells. The 3^rd International conference on medicinal paltns and herbal products, 2011. Sri Lanka.

Samarakoon SR, Thabrew I, Galhena PB , Tennekoon KH, de Silva ED, Effects of a standardized preparation of a decoction comprised of Nigella sativa (seeds), Hemidesmus indicus (roots), and Smilax glabra (rhizome) on the expression of key genes that are involved in tumour suppression, cell cycle arrest and apoptosis in human hepatoma (HepG2) cells.  Abstract of 4^th  Annual Scientific Sessions, 2011, Organized by the  Institute of Biochemistry Molecular Biology & Biotechnology, University of Colombo, Sri Lanka.

Sameera R. Samarakoon, M. Ira Thabrew, Prasanna B. Galhena, Kamani H. Tennekoon. A Standardized Decoction of Nigella sativa Seeds, Hemidesmus indicus Roots and Smilax glabra Rhizomes Induces Apoptosis In Human Hepatocellular Carcinoma (HepG2) Cells. 17^th North American Regional ISSX meting October 2011 in Atlanta, USA.

Sameera R. Samarakoon, M. Ira Thabrew, Prasanna B. Galhena, Kamani H. Tennekoon, E. Dilip De Silva, Standardized aqueous extract of Nigella sativa (seeds), Hemidesmus indicus (roots), and Smilax glabra (rhizome) induced apoptosis in human hepatocellular carcinoma (HepG2) cells via regulating Bax and Bcl-2 genes.5th International conference on Biotechnology and Development, organized by the Sri lanka Council for Agricultural Research Policy (SLCARP) – December 2010, Kandy, Sri Lanka.

Sameera  Samarakoon, Prasanna  Galhena, Ira Thabrew,  Kamani Tennekoon. In- vitro  cytotocxic potential of aqueous extract of Securinega leucopyrus (wild) on hepatocellular carcinoma (HepG2) cell: A preliminary study. Abstract of 16^th Congress on Alternative Animal Testing, September, 2010. Austria.

Sameera R. Samarakoon, Prasanna B. Galhena, M. Ira Thabrew, Kamani H. Tennekoon, Expression of wild type p53 is induced in HepG2 cells by a Sri Lankan herbal decoction comprised of Nigella sativa (seeds), Hemidesmus indicus (roots), and Smilax glabra (rhizome), Abstract of the 9^th Internatinal ISSX meeting, September,2010. Istanbul, Turkey

Samarakoon S, Galhena P, Thabrew I, Tennekoon K,Cytotoxic activity of hot water and ethanolic extracts of a poly-herbal preparation comprised of Nigella sativa, Hemidesmus indicus and Smilax glabra, abstract of the 58th International Congress and Annual Meeting of the Society for Medicinal Plant and Natural Product Research, August, 2010. Germany.

Galhena B.P., Samarakoon S.S.R., Thabrew M.I., Solomon F.D. Paul, Venkatachalam Perumal, and Chinnadurai  Mani, A preliminary study to determine the chemoprotective potential of a herbal decoction Nigella sativa (seeds), Hemidesmus indicus (roots) and Smilax glabra (rhizome), International Conference on Radiation Biology, – November, 2010,  Organized by the Sri Ramachandra University, Chennai, India.

Samarakoon S.S.R., Murugananthan A., Karunanayake E.H., Tennekoon K.H., Cloning, Sequencing and Characterization of Filarial Parasite Specific Genes. Abstract of the International Conference on Frontiers in Molecular Life Sciences, 2009. Colombo, Sri Lanka.

Wickramanayake M.N., Murugananthan A., Samarakoon S.S.R., Karunanayake E.H., Cloning, Sequencing and Characterization of Filarial Parasite Specific Genes. Abstract of Third Annual Scientific Sessions, 2008, Organized by the  Institute of Biochemistry Molecular Biology & Biotechnology, University of Colombo, Sri Lanka.