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Antioxidant and antifungal activities of secondary metabolites of the endolichenic fungus, Penicillium pinophilum isolated from the lichen Pseudocypherllaria sp. available in Sri Lanka

Kulasekara, C.N.; Wickramarachchi, S.; Paranagama, P.A. (Institute of Chemistry Ceylon, Adamantane House, Rajagiriya, Sri Lanka, 2013)

Isolation of bioactive metabolites in the endolichenic fungus, Daldinia eschscholzii, occurring in the lichen, Parmotrema sp. in Sri Lanka

Samanthi, U.; Wickramaarchchi, S.; Paranagama, P.A. (Proceedings of the 69th Annual Sessions, Sri Lanka Association for the Advancement of Science, 2013)

Prevalence of obesity related health risk conditions among overweight and obesity adult women

Manuha, M.I.; Iqbal, N.Z.; Nageeb, B.M.; Paranagama, P.A. (1st International Conference on Unani, Ayurveda, Siddha and Traditional Medicine, On Natural Solutions for Health Challenges, 2013)

Bioactivity of leaf volatiles of Azadirachta indica A. and Murraya koenigii (spreng) against Sitophilus orysae (L.) (Coleoptera: Curculionidae)

Paranagama, P.A.; Abeysekera, K.H.T.; Nugeliyadde, L.; Abeywickrama, K.P. (Tropical Agricultural Research and Extension, 2002)

Degradation of 14C ring labeled pesticides in selected soils of Sri Lanka

Liyanage, J.A.; Watawala, R.C.; Mallawatantri, A.P.; Kookana, R.S.; Smith, L. (Journal of radioanalytical and nuclear chemistry, 2013)

Interactions of Rh(III)-Dihydrido-Bis(phosphine) Complexes with Semicarbazones

Ezhova, M.B.; Patrick, B.O.; Senevirathne, K.N.; James, B.R.; Waller, F.J.; Ford, M.E. (Inorganic Chemistry, 2005)

Imine Hydrolysis and Role of a Rhodium(I)-Imine-Amine Complex in Homogeneous H2-Hydrogenation of the Imine and a Rare Example of Inequivalent NH2 Protons

Marcazzan, P.; Abu-Gnim, C.; Senevirathne, K.N.; James, B.R. (Inorganic Chemistry, 2004)

Permetalated Aromatic Compounds

Winter, C.H.; Senevirathne, K.N.; Bretschneider-Hurley, A. (Comments Inorganic Chemistry, 1996)

Highly stable CuO incorporated TiO2 catalyst for photocatalytic hydrogen production from H2O

Bandara, J.; Udawatta, C.P.K.; Rajapakse, C.S.K. (Journal of Photochemical & Photobiological Sciences, 2005)

A CuO incorporated TiO2 catalyst was found to be an active photocatalyst for the reduction of H2O under sacrificial conditions. The catalytic activity originates from the photogeneration of excited electrons in the conduction ...

Synthesis, Characterization, and in vitro Antimalarial and Antitumor Activity of New Ruthenium(II) Complexes of Chloroquine

Rajapakse, C.S.K.; Martínez, A.; Naoulou, B.; Jarzecki, A.A.; Suárez, L.; Deregnaucourt, C.; Sinou, V.; Schrével, J.; Musi, E.; Ambrosini, G.; Schwartz, G.K.; Sánchez-Delgado, R.A. (Journal of Inorganic Chemistry, 2009)

The new RuII chloroquine complexes [Ru(?6-arene)(CQ)Cl2] (CQ = chloroquine; arene = p-cymene 1, benzene 2), [Ru(?6-p-cymene)(CQ)(H2O)2][BF4]2 (3), [Ru(?6-p-cymene)(CQ)(en)][PF6]2 (en = ethylenediamine) (4), and ...

The mechanism of antimalarial action of the ruthenium(II)?chloroquine complex [RuCl2(CQ)]2

Martínez, A.; Rajapakse, C.S.K.; Naoulou, B.; Kopkalli, Y.; Davenport, L.; Sánchez-Delgado, R.A. (Journal of Biological Inorganic Chemistry, 2008)

The mechanism of antimalarial action of the ruthenium?chloroquine complex [RuCl2(CQ)]2 (1), previously shown by us to be active in vitro against CQ-resistant strains of Plasmodium falciparum and in vivo against P. berghei, ...

Arene–Ru(II)–chloroquine complexes interact with DNA, induce apoptosis on human lymphoid cell lines and display low toxicity to normal mammalian cells

Martínez, A.; Rajapakse, C.S.K.; Sánchez-Delgado, R.A.; Varela-Ramirez, A.; Lema, C.; Aguilera, R.J. (Journal of Inorganic Biochemistry, 2010)

The complexes [Ru(?6-p-cymene)(CQ)Cl2] (1), [Ru(?6-benzene)(CQ)Cl2] (2), [Ru(?6-p-cymene)(CQ)(H2O)2][BF4]2 (3), [Ru(?6-p-cymene)(en)(CQ)][PF6]2 (4), [Ru(?6-p-cymene)(?6-CQDP)][BF4]2 (5) (CQ = chloroquine base; CQDP = ...

The antimalarial activity of Ru?chloroquine complexes against resistant Plasmodium falciparum is related to lipophilicity, basicity, and heme aggregation inhibition ability near water/n-octanol interfaces

Martínez, A.; Rajapakse, C.S.K.; Jalloh, D.; Dautriche, C.; Sánchez-Delgado, R.A. (Journal of Biological Inorganic Chemistry, 2009)

We have measured water/n-octanol partition coefficients, pK a values, heme binding constants, and heme aggregation inhibition activity of a series of ruthenium??-arene?chloroquine (CQ) complexes recently reported to be ...

Comparison of the Phenolic-dependant antioxidant properties of coconut oil extracted under cold and hot conditions

Senevirathne, K.N.; Hapuarachchi, C.D.; Ekanayake, S. (Food Chemistry, 2008)

Canarium zeylanicium seed oil: An edible oil with beneficial qualities

Senevirathne, K.N.; Kotuwegedara, R.T. (International Journal of Food Science and Technology, 2008)

Polyphenol oxidase inhibitory activity of essential oils of Cymbopogon nardus and Cymbopogon citratus

Ranasinghe, L.S.; Jayawardena, B.M.; Abeywickrama, K.P. (Journal of Tropical Medicinal plants, 2003)

Polyphenol oxidase (tyrosinase) (EC 1.14 18.1) is responsible for the hyperpigmentation in humans, insect molting process and browning reactions of plants. There is interest to develop methods to control polyphenol oxidase ...

Fungicidal activity of essential oils of Cinnamomum zeylanicum (L.) and Syzygium aromaticum (L.) Merr et L.M.Perry against crown rot and anthracnose pathogens isolated from banana

Ranasinghe, L.S.; Jayawardena, B.M.; Abeywickrama, K.P. (Letters in Applied microbiology, 2002)

Aims: To develop a post-harvest treatment system against post-harvest fungal pathogens of banana using natural products. Methods and Results:Colletotrichum musae was isolated and identified as the causative agent responsible ...

Use of waste generated from cinnamon bark oil (Cinnamomum zeylanicum Blume)extraction as a post harvest treatment for Embul banana

Ranasinghe, L.S.; Jayawardena, B.M.; Abeywickrama, K.P. (Journal of Food , Agriculture and Environment, 2003)

Waste water samples collected from a cinnamon bark oil distillery, was extracted and analyzed by Gas Chromatography. The major constituent of the extracted oil solution was cinnamaldehyde (66.2%). Previously isolated and ...

An integrated strategy to control post-harvest decay of Embul banana by combining essential oils with modified atmosphere packaging

Jayawardena, B.M.; Abeywickrama, K.P. (International Journal of Food science & Technology, 2007)

Mature Embul (Musa, AAB) bananas were treated with emulsions of either cinnamon bark or leaf (Cinnamomum zeylanicum) or clove (Syzygium aromaticum) oils to control post-harvest diseases, packed under modified atmosphere ...

Effect of coconut (Cocos nucifera L.) water extracts on adventitious root development in vegetative propagation of Dracaena purplecompacta L.

Agampodi, V.A.; Jayawardena, B.M. (Journal Acta Physiologiae Plantarum, 2009)

Propagation by softwood canes and cuttings is preferred as a practical system for vegetative reproduction of many ornamental plant species, despite the advances in tissue culture techniques. Dracaena purplecompacta L. is ...

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