National Conferences & Symposia

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A modified CTAB method for extraction of genomic DNA from Piper nigrum L

National Conferences & Symposia
Silva S.I.C.,Senevirathne J.M., Weerasena O.V.D.S.J.
Publication year: 2012

Revealing Genomic diversity of Sri Lankan traditional, improved and wild rice species

National Conferences & Symposia
Gowri, R, Weerasena, O.V.D.S.J., Fernando, K.K.S.
Publication year: 2011

Molecular analysis of the F1 hybrid plants (triploids, ABC) to confirm the true hybridity between Brassica juncea and Brassica oleracea

National Conferences & Symposia
Wickramasekera, S., Weerakoon, S.R. and Weerasena, O.V.D.S.J.
Publication year: 2011

Isolation and characterization of putative plant disease resistance gene analogues from Sri Lankan rice varieties

National Conferences & Symposia
Aluwihare, W.B.W.M.R.Y.C. and Weerasena, O.V.D.S.J.
Publication year: 2011

Genetic Diversity Assessment of Finger millet using microsatellite markers

National Conferences & Symposia
Kannangara, U.M., Weerasena, O.V.D.S.J., Dasanayake, P.N.
Publication year: 2011

Genetic differentiation of some Artocarpus heterophyllus Lam

National Conferences & Symposia
R..L. Thanthrige, O.V.D.S.J.weerasena, D.K.N.G. Pushpakumara and K.G.S. Senevirathne
Publication year: 2011

Gene activity relationship study of Bacillus thuringiensis Sri Lankan strains against dipteran, lepidopteran and coleopteran pests

National Conferences & Symposia
Siriwardhana, D. A. S., Samarasekera, R., Peiris, M. L., Weerasena, O. V. D. S. J., Weerasinghe, I. S. and Ahangama, D.
Publication year: 2011

Detection of mirometastasis of breast cancer using cytokeratine-19 based reverse transcriptase polymerase chain reaction

National Conferences & Symposia
De Silva WHYD, Pathirana A, Weerasinghe A, Weeasena OVDSJ, Handunnetti SM
Publication year: 2011

Chaperon mediated over expression of parasitic nematode specific growth factor like protein of Seteria digitata

National Conferences & Symposia
Rodrigo W.W.P., Dassanayake R.S., Weeasena O.V.D.S.J., Karunanayake E.H
Publication year: 2011

Isolation and SDS-PAGE analysis of dipteran toxic δ-endotoxin protein crystals of Sri Lankan Bacillus thuringiensis strains

National Conferences & Symposia
Samarasekera, R., Siriwardhana, D. A. S., Peiris, M. L., Weerasena, O. V. D. S. J., Punchihewa, D. W. D., Kottearachchi, N.
Publication year: 2010

Molecular Characterization of Mosquito Larvicidal Strains of Bacillus thuringiensis isolated from Sri Lanka

National Conferences & Symposia
Siriwardhana, D. A. S.; Samarasekera, R.; Peiris, M. L.; Weerasena, O. V. D. S. J. and Weerasinghe, I. S
Publication year: 2009

Rapid differential diagnosis of dengue and chikungunya infections by mutiplex RT-PCR and impact of chikungunya infection on liver biochemical tests Proceedings of the 64th Annual Session of Sri Lanka Association for the Advancement of Science

National Conferences & Symposia
Aresha Manamperi, Pushpamali de Silva, Chethiya Ekanayake, Y.I.Nilmini Silva Gunawardene, Janaka de Silva, V.D.S.J.Weerasena, R.S. Dassanayake
Publication year: 2008

Preliminary studies on Genetic Differentiation of Finger Millet accessions using AFLP markers

National Conferences & Symposia
Senanayake, S.M.C., Dassanayake, P.N. and Weerasena, O.V.D.S.J.
Publication year: 2008

Isolation and characterization of putative plant disease resistance gene analogs (RGA) from Sri Lankan traditional rice varieties

National Conferences & Symposia
Ariyawansa, K.G.S.U., Weerasena, O.V.D.S.J., Fernando, K.K.S. and Rajapakse, R.M.T.
Publication year: 2008

Clinical utility of PCR and Real Time PCR assays for Cytomegalovirus, Hepatitis B and Hepatitis C infections

National Conferences & Symposia
S. Dassanayake , P. de Silva, J.Weerasena, Y.I.N.S. Gunawardene, A Manamperi
Publication year: 2008

Characterization of known and unknown mutations of human beta globin genes of Sri Lankan beta thalassemic patients using allele specific priming and single stranded conformational Polymorphism techniques

National Conferences & Symposia
R.S. Dassanayake , N. Umasuthan, E.H. Karunanayake, R.M.P. Rathnayake, O.V.D.S.J.Weerasena
Publication year: 2008

Preliminary study of the suitability of commercial canola spring varieties to the local environment

National Conferences & Symposia
Peiris, P. K. D., Weerakoon, S.R. and Weerasena, O.V.D.S.J.
Publication year: 2007

Isolation and characterization of potential disease resistance gene analogs from traditional, wild and weedy rice of Sri Lanka

National Conferences & Symposia
Samaranayake, D.P., Weerasena, O.V.D.S.J. and Karunanayake, E.H.
Publication year: 2007

Genetic differentiation of Sri Lankan traditional rice varieties using AFLP markers

National Conferences & Symposia
Indraguptha, W. A. G. D., Weerasena, O.V.D.S.J., Karunanayake, E.H., Rajapakse, R.M.T., Fernando, K.K.S. and Bandara, J.H.B.H.
Publication year: 2006

Development of gene based PCR markers for comparative genomics: a bioinformatics approach

National Conferences & Symposia
Pathmaja, P, Weerasena, O.V.D.S.J., Dassanayake, R.S. and Karunanayake, E.H
Publication year: 2006

haracterization of putative nuclear cell envelope like parasitic nematode specific protein from goat and sheep parasite, Seteria digitata.

National Conferences & Symposia
Dasanayake, R.S., Weerasena, O.V.D.S.J. and Karunanayake, E.H.
Publication year: 2005

Differentiation of Sri Lankan traditional rice varieties using AFLP markers

National Conferences & Symposia
A.G.D. Indraguptha, O.V.D.S.J. Weerasena, E.H. Karunanayake, R.M.T. Rajapakse, K.K.S. Fernando, J.H.B.H. Bandara
Publication year: 2004

Characterization of ARV1 like protein from sheep and goat parasite, Setaria digitata and its application in phylogenetic analysis

National Conferences & Symposia
S. Dasanayake, O.V.D.S.J. Weerasena, J.M.U.G. Jayawardana Banda, E.H. Karunanayake
Publication year: 2004

Development of a DNA probe to detect Rhizoctonia solani

National Conferences & Symposia
V.D.S.J. Weerasena, N.V. Chandrasekharan, R.L.C. Wijesundera, E.H. Karunanayake
Publication year: 1998

Antifungal activity of oxidized cashew nut shell liquid

National Conferences & Symposia
Weerasena, S.J.,  Amarasekara, A.S., Wijesundera, R.L.C.
Publication year: 1990
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