α –Glucosidase enzyme inhibitory activity and anti-hyperglycemic activity of Caryota urans L. (Kithul palm) treacle, Proceeding of the Sri Lanka Association of Advancement of Science (SLAAS), 2010, p 32.
Ranasinghe, G.A.S. Premakumara, C.D. Wijayarathna, W.D.Ratnasooriya.
Isolation and mass culture of carotenoid producing yeast, Rhodotorula mucilaginosa from Caryota urens L sap. Proceedings of the 3rd International Symposium of Sabaragamuwa University of Sri Lanka, 2010, p 57.
Ranasinghe, P., Premakumara, G.A.S, Wijayarathna, C.D, Ratnasooriya, W.D.
Determination of antibacterial activity of Vateria copolifera, International conference on natural products chemistry and its contribution to the economy, environment and the social well being, University of Peradeniya, Sri Lanka, 2010, pp 51-55.
S.P.D.Senadeera, C.D Wijayarathna.
Antioxidant activity of Vataria copallifera (Hal) extracts, Proceeding of the Sri Lanka Association of Advancement of Science (SLAAS), 2010, p 98.
F.R. Haris, C.D. Wijayarathna, P. Ranasinghe, G.A.S. Premakumara.
Isolation of RNase E encoding gene from Corynebacterium glutamicum, Annual Research Symposium, University of Colombo, Sri Lanka, 2008, p 116.
Rathnayake A. J. I.S., Wijayarathna C. D.
Isolation of microorganisms from an effluent sample having tolerance to different metal ions, Proceeding of the Sri Lanka Association of Advancement of Science (SLAAS), 2008, p 273.
Karunaratne G.H.R.E., Wijayarathna C.D.
Anti-diabetic properties of Caryota urans (Kithul palm) sap and treacle, CHEMTECH, International Conference, Organized by the Institute of Chemistry, Sri Lanka, 2007, pp 185-188.
Ranasinghe, G.A.S. Premakumara, C.D. Wijayarathna, W.D. Ratnasooriya.
Free radical scavenging property of natural sweet sap of Kithul palm Caryota urens, proceedings of the 26th annual sessions of the Institute of Biology, Sri Lanka, 2006, p 27.
P.Ranasinghe, G.A.S.Premakumara, C.D. Wijayarathna, W.D.Ratnasooriya.
Isolation of ftsI and murE genes involved in peptidoglycan synthesis from Corynebacterium glutamicum,D. Wijayarathna, M. Wachi, K. Nagai, Appl Microbiol Biotechnol, 2001, 55, 4, 466-470.
Isolation of murE and ftsI genes from Corynebacterium glutamicum, 3rd workshop on “Molecular Biology and Biotechnology”, organized by Association of East Asian Research University (AEARU), 1999.
C.D. Wijayarathna, M. Wachi, K. Nagai.
A murC Gene from Coryneform bacteria, Wachi, C.D. Wijayarathna, H. Teraoka, K. Nagai, Appl Microbiol Biotechnol, 1999, 51, 2, 223-228.
Mur C gene from Coryneform bacteria. 1998; Japan Society for Bioscience, Biotechnology and Agro Chemistry, Nagoya, Japan, C.D.Wijayarathna, M.Wachi, K.Nagai.
Extractive-Spectrophotometric Determination of aluminium(III) by Ternary Complex Formation. 1994; SLAAS abstracts, H.D.Gunawardena, C.D.Wickramaarachchi.