Browsing Faculty of Science & Technology (FST) by Title
Now showing items 399-418 of 4283
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Bentonite used as a host matrix in the study of ester hydrolysis
(University of Nairobi, 2015)Abstract: In this paper results obtained on the kinetics of este r adsorption on raw, acid treated and pre - heated bentonite have bee n presented. T he infra - red profiles and the XRF spectra of ... -
Benzidine catalysis of aniline electro- polymerization on a carbon graphite electrode
(University of NairobiCollege of Biological and Physical Sciences,University of Nairobi, 1993) -
Benzo[ b]naphtho[2,1- d]furans and 2-Phenylnaphthalenes from Streblus usambarensis
(University of Nairobi, 2023)Three new benzo[b]naphtho[2,1-d]furans, usambarins A-C (1-3), five new 2-phenylnaphthalenes, usambarins D-H (4-8), a new flavan (9), and a new phenyl-1-benzoxepin (10) as well as two known compounds (11 and 12) were isolated ... -
Benzo[ b]naphtho[2,1- d]furans and 2-Phenylnaphthalenes from Streblus usambarensis
(University of Nairobi, 2023)Three new benzo[b]naphtho[2,1-d]furans, usambarins A-C (1-3), five new 2-phenylnaphthalenes, usambarins D-H (4-8), a new flavan (9), and a new phenyl-1-benzoxepin (10) as well as two known compounds (11 and 12) were isolated ... -
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 ... -
Benzoquinone derivatives of Myrsine africana and Maesa lanceolata
(College of Physical and Biological Sciences, 2003-10)The fruits of Myrsine africana afforded two new benzoquinone derivatives, methylvilangin and methylanhydrovilangin. On the other hand, from the fruits of Maesa lanceolata two more novel compounds; 2,5-dihydroxy-3-(nonade ... -
Benzoquinones in kenyan myrsinaceae part III 1: A new 2, 3-dihydroxy alkyl-1, 4-benzoquinone (myrsinone) and 5-O-methyl embelin from Myrsine Africana
(Department of Chemistry, University of NairobiMeiji College of Pharmacy, Tokyo, Japan, 1992) -
Berger-Shaw inequalityfor n-Power quasinormal and w-hyponormal operators
(2014)Every reducible operator can be decomposed into normal and completely non-normal operators. Unfortunately, there are several non normal operators which are irreducible. However, every operator whose self-commutator is ... -
Beta-2 microglobulin as a marker of HIV disease status in Nairobi, Kenya.
(1993)Serum beta-2 microglobulin (beta 2-M) has prognostic value similar to lymphocyte profiles for predicting disease progression in those infected with the human immunodeficiency virus (HIV). However, the relationship between ... -
Beyond the vertical? Using value chains and governance as a framework to analyse private standards initiatives in Agri-food chains
(University of NairobiInstitute For Climate Change and Adaptation, 2011-09)The significance of private standards and associated local level initiatives in agri-food value chains are increasingly recognized. However whilst issues related to compliance and impact at the smallholder or worker level ... -
Biflavanoids of the Cycadales
(1975)Biflavanoid patterns of leaves of 82 species of the order Cycadales comprising 3 families and 10 genera have been determined. The biflavanoids were identified by TLC, UV, NMR and MS studies. Pattern differences between ... -
Biflavones of Dioon,
(University of NairobiCollege of biological and physical science, 1973)Seven biflavones, amentoflavone, bilobetin, sequoiaflavone, ginkgetin, sciadopitysin, 7,4 Œ,7 Œ,4triple prime-tetra-O-methylamentoflavone, and diooflavone (amentoflavone hexamethyl ether), were identified from extracts of ... -
Bilharziasis of the spinal cord
(School of Biological and Physical sciences, 1970) -
Binding and water solubility enhancement of 14C-benzo[a]pyrene by dissolved organic matter in freshwater in Kenya.
(University of Nairobi,Department of Chemistry,, 2006-12) -
Bioactive compounds from some Kenyan ethnomedicinal plants: Myrsinaceae, Polygonaceae and Psiadia punctulata
(University of NairobiDepartment of Chemistry, University of Nairobi, 2002-10)There are several described medicinal plants in Kenya from a flora of approximately 10,000 members. Strong cross-medical information from the 42 ethnic groups points to the high potential of some of these species. The ... -
Bioactive properties of tagetes minuta l.(asteraceae) essential oils: a review
(University of Nairobi, 2016)Mexican marigold (Tagetes minuta L.) and its accruing products have a long worldwide history of human uses such as food, therapeutics and aromatherapy which are inherent in the plant’s unique chemical composition and ... -
Bioactive Substances From Kenyan Ethno-medicinal Plants
(University of NairobiDepartment of Chemestry, 2001) -
Bioactivity of 'Flemingin A' and other Natural Products from the leaves of Flemingia grahamiana
(Department of Chemistry; Kyambogo University,Department of Chemistry, University of Nairobi,Department of Chemistry, University of Gothenburg,, 2011)Flemingia graharriiana (Wight & Arn.) is an erect herb or sub-shrub up to 1.8 m tall with deep (sometimes tuberous) roots and 3-foliate alternate leaves. It is distributed in Tropical Africa and occurs in open and wooded ... -
Biochemical changes in the plasma of vervet monkeys (Chlorocebus aethiops) experimentally infected with Trypanosoma brucei rhodesiense
(University of Nairobi, 2008-05-16)Biochemical evaluation of plasma during disease conditions gives an indication of the functional status of the various body organs. Biochemical analysis of plasma from 32 vervet monkeys (Chlorocebus aethiops) infected ...