Search Results - "Bandara, B M Ratnayake"

Leaf extract of Osbeckia octandra induces apoptosis in oral squamous cell carcinoma cells by Kim, Jue Young, Kim, Jin, Bandara, B M Ratnayake, Tilakaratne, Wanninayake M, Kim, Dokyeong

“…Osbeckia octandra is a plant endemic to Sri Lanka and is used in ethnomedicine for treating various diseases. However, the anti-cancer properties of O…”
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Terminalia bellirica fruit extracts: in-vitro antibacterial activity against selected multidrug-resistant bacteria, radical scavenging activity and cytotoxicity study on BHK-21 cells by Dharmaratne, M Priyanga Jayamal, Manoraj, Amirthasingam, Thevanesam, Vasanthi, Ekanayake, Asela, Kumar, Nimal Savitri, Liyanapathirana, Veranja, Abeyratne, Eranga, Bandara, B M Ratnayake

“…Identification of novel sources for developing new antibiotics is imperative with the emergence of antibiotic resistant bacteria. The fruits of Terminalia…”
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Genetic Variation of Flavonols Quercetin, Myricetin, and Kaempferol in the Sri Lankan Tea (Camellia sinensis L.) and Their Health-Promoting Aspects by Bandara, B. M. Rathnayake, Abeysinghe, I. Sarath B., Ranatunga, Mahasen A. B., Dananjaya Kottawa-Arachchi, Jeevan, Punyasiri, P. A. Nimal, Jeganathan, Brasathe, Gunasekare, M. T. Kumudini

“…Flavonol glycosides in tea leaves have been quantified as aglycones, quercetin, myricetin, and kaempferol. Occurrence of the said compounds was reported in…”
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Antimicrobial potential of four mica drugs and their chemical and mineralogical properties by Wijenayake, Apsara, Abayasekara, Charmalie, Pitawala, Amarasooriya, Bandara, B M Ratnayake

“…Mica drugs, a group of herbo-metallic traditional preparations comprising biotite mica as the major mineral ingredient, are prescribed for skin disorders and…”
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Oligomeric proanthocyanidin fractions from fresh tea leaves and their antibacterial activity against Staphylococcus aureus by Kumar, N Savitri, Bandara, BM Ratnayake, Hettihewa, Sujeewa K, Panagoda, Gehan J

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Medicinal plants to mitigate the problem of antibiotic resistance by Bandara, B. M. Ratnayake

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Two New Lactones with Mosquito Larvicidal Activity from Three Hortonia Species by Ratnayake, Rukmal, Karunaratne, Veranja, Ratnayake Bandara, B. M, Kumar, Vijaya, MacLeod, John K, Simmonds, Peta

“…The structures of the butenolides 1 and 2, isolated from the endemic plants Hortonia floribunda, H. angustifolia, and H. ovalifolia, collected in Sri Lanka,…”
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The importance of harnessing the rich diversity of Sri Lankan flora for their medicinal value by Jayasinghe, Susanthi, Bandara, B. M. Ratnayake, Wickramasinghe, A., Karunaratne, D. N., Wijesundara, D. S. A., Karunaratne, Veranja

“…Ethnomedicine evolved from the traditional use of plant parts for treating various ailments. Historically, most medical breakthroughs have arisen based on the…”
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Role of Antifungal Gallotannins, Resorcinols and Chitinases in the Constitutive Defence of Immature Mango (Mangifera indica L.) against Colletotrichum gloeosporioides by Karunanayake, L. Chathurika, Adikaram, Nimal, Kumarihamy, B. M. Mallika, Bandara, B. M. Ratnayake, Abayasekara, Charmalie

“…Conidia of Colletotrichum gloeosporioides germinate and form infection hyphae on inoculated, immature mango but remain quiescent until fruit ripening…”
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Antifungal constituents of the stem bark of Bridelia retusa by Jayasinghe, Lalith, Kumarihamy, B.M.Mallika, Jayarathna, K.H.R.Nishantha, Udishani, N.W.M.Gayathri, Bandara, B.M.Ratnayake, Hara, Noriyuki, Fujimoto, Yoshinori

“…Antifungal activity guided fractionation of solvent extracts of the stem bark of Bridelia retusa of the family Euphorbiaceae against Cladosporium…”
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Bioactivity and chemistry of the genus Hortonia by Ratnayake, Rukmal, Ratnayake Bandara, B.M., Wijesundara, Siril, Macleod, John K., Simmonds, Peta, Karunaratne, Veranja

“…The dichloromethane extracts of the leaves, stem bark, bark and the roots of the three species of the primitive endemic genus Hortonia, H. angustifolia, H…”
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Chemical Constituents of Three Rutaceae Species from Sri Lanka by Wijeratne, E. M. Kithsiri, Bandara, B. M. Ratnayake, Gunatilaka, A. A. Leslie, Tezuka, Yasuhiro, Kikuchi, Tohru

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Biological Activity of Some Coumarins from Sri Lankan Rutaceae by Gunatilaka, A. A. Leslie, Kingston, David G. I, Wijeratne, E. M. Kithsiri, Bandara, B. M. Ratnayake, Hofmann, Glenn A, Johnson, Randall K

“…Twelve coumarins isolated from plants of the Rutaceae collected in Sri Lanka have been subjected to a mechanism-based anticancer bioassay employing DNA…”
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Mechanistic Studies by Electron Paramagnetic resonance Spectroscopy on the Formation of 2-(N-Chloroimino)-5,5-dimethylpyrrolidine-1-oxyl Radical from 5,5-Dimethyl-1-pyrroline 1-Oxide and Hypochlorite-Treated Ammonia by Bandara, B. M. Ratnayake, Hinojosa, Oscar, Bernofsky, Carl

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Isolation of a Tetrameric A-type Proanthocyanidin Containing Fraction from Fresh Tea (Camellia Sinensis) Leaves Using High-Speed Counter-Current Chromatography by Kumar, N. Savitri, Bandara, B. M. Ratnayake, Hettihewa, Sujeewa K.

“…A proanthocyanidin (PA) fraction containing tetrameric A- and B-type PAs was obtained after Sephadex LH-20 chromatography and high-speed counter-current…”
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Reaction of 5,5-dimethyl-1-pyrroline 1-oxide with hypochlorite-treated ammonia: the structure of a novel N-chloroimine nitroxyl radical by Bandara, B. M. Ratnayake, Hinojosa, Oscar, Bernofsky, Carl

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Role of Antifungal Gallotannins, Resorcinols and Chitinases in the Constitutive Defence of Immature Mango (Mangifera indica L.) against Colletotrichum gloeosporioides: Role of Antifungal Substances in Mango Defence by Karunanayake, L. Chathurika, Adikaram, Nimal, Kumarihamy, B. M. Mallika, Bandara, B. M. Ratnayake, Abayasekara, Charmalie

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Spin trapping endogenous radicals in MC-1010 cells: Evidence for hydroxyl radical and carbon-centered ascorbyl radical adducts by Bernofsky, Carl, Bandara, B. M. Ratnayake

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Superimposed lateral control of structure and reactivity exemplified by enantiospecific synthesis of (+)- and (-)-gabaculine by Bandara, B. M. Ratnayake, Birch, Arthur J, Kelly, Lawrence F

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Methyl ester of para-coumaric acid: antifungal principle of the rhizome of Costus speciosus by Bandara, B M, Hewage, C M, Karunaratne, V, Adikaram, N K

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