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Now showing items 741-750 of 17706
Rheumatic disorders in Kenya: spectrum of disease
(University of Nairobi, 2004)
Activity of 6-Pentadecylsalicylic Acid from Ozoroa insignis Against Marine Crustaceans
(University of Nairobi, 2002)
Bioassay-guided fractionation of the dichloromethane extract from twigs of Ozoroa insignis using Artemia salina larvae as a model led to the isolation of 6-pentadecylsalicylic acid as the active principle. This is the first ...
Kirkinine, a New Daphnane Orthoester with Potent Neurotrophic Activity from Synaptolepis kirkii
(University of Nairobi, 2000)
The bioassay-guided fractionation of a dichloromethane extract from the roots of Synaptolepis kirkii using neuronal viability as a model allowed the isolation of the new daphnane orthoester kirkinine (1a) as a powerful ...
A Benzochromene from the Roots of Pentas Bussei
(University of Nairobi, 2002)
A new homoprenylated benzochromene, methyl-5,10-dihydroxy-7-methoxy-3-methyl-3-[4-methyl-3-pentenyl]-3H-benzo[f]chromene-9-carboxylate (1), was isolated from the roots of Pentas bussei, collected from Kenya. The structure ...
Neurotrophic And Antileukemic Daphnane Diterpenoids From Synaptolepis Kirkii
(University of Nairobi, 2002-10)
Biological assay guided fractionation of a dichloromethane extract of Synaptolepis kirkii led to the isolation of four new and five known daphnane-type diterpene orthoesters, whose structure was established by spectroscopic ...
Quality Management as an Outcome of Management Field Evolution: A Review
(2014)
The interest in Quality Management since its entry into
the management arena has grown unabated
despite the controversies, criticisms and dismissive labels. There are those who have dismissed it as a
fad. Enthusiastic ...
Chemical Constituents And Biological Activities Of Zanthoxylum Usambarense
(University of Nairobi, 2002-02)
Bioassay-guided fractionation of the dichloromethane extracts of the roots and the bark of Zanthoxylum usambarense led to the isolation of two physiologically active compounds, i.e. canthin-6-one 1 (fungicide) and pellitorine ...