Browsing by Author "Premakumara, G.A.S."
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Item Antimortility effects of Piper betele (L.) leaf extract on washed human spermatozoa(National Science Council:Colombo, 1990) Ratnasuriya, W.D.; Jayawardena, K.G.I.; Premakumara, G.A.S.Item Antioxidant activity of Caryota urens L. (Kithul) sap(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2012) Ranasinghe, P.; Premakumara, G.A.S.; Wijayarathna, C.D.; Ratnasooriya, W.D.Item Cooking and eating traits of some Sri Lankan traditional rice varieties across Yala and Maha seasons(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2008) Abeysekera, W.K.S.M.; Somasiri, H.P.P.S.; Premakumara, G.A.S.; Bentota, A.; Rajapakse, D.; Ediriweera, N.Item Evaluation of human sperm motility stimulant S-ACT-1 of Sri Lanka marine red alga, gelidiella acerosa as a potential sperm stimulant in medically assisted reproductionGunaratna, K.G.N.M.; Premakumara, G.A.S.; Seneviratne, H.R.Item In vitro antioxidant properties of leaf and bark extracts of Ceylon cinnamon (Cinnamomum zeylanicum Blume)(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2013) Abeysekera, W.P.K.M.; Premakumara, G.A.S.; Ratnasooriya, W.D.Item A new cytotoxic flabelliferin from Palmyrah (Borassus flabellifer L.) flour(National Science Foundation:Colombo, 2009-12) Keerthi, A.A.P.; Ekanayake , S.; Premakumara, G.A.S.Item Preliminary screening of two marine algae and sea grass harvested from Sri Lankan waters against the LPS-induced inflammatory responses in RAW 264.7 macrophages and in vivo zebrafish embryo model(NSF:Colombo, 2018-06) Fernando, I.P.S.; Sanjeewa, K.K.A.; Samarakoon, K.W.; Lee, W.W.; Kim , Hyun-Soo.; Kim, Eun-A.; Ranasinghe, P.; Gunasekara, U.K.D.S.S.; Premakumara, G.A.S.; Jeon, You-Jin.Item Quantitative estimation of active ingredients in some Sri Lankan medicinal plants using Ion induced desorption techniquesDahanayaka, S.A.; Barlo Daya, D.D.N.; Mohottalage, M.S.B.; Premakumara, G.A.S.Item Quick detection of active compounds in crude extracts of selected plants using plasma desorption mass spectrometry (PDMS)(2000) Dahanayaka, S.A.; Barlo Daya, D.D.N.; Mohottalage, M.S.B.; Premakumara, G.A.S.; Ariyaratne, T.R.