Faculty of Science & Technology (FST): Recent submissions
Now showing items 2541-2560 of 4089
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Malaria Risk and the Role of Routine Outdoor Nocturnal Activities and Livelihoods among Adults in Dar es Salaam, Tanzania
(Faculty of Science, University of Nairobi, 2013)Humans become infected with malaria upon receiving infectious bites from blood-feeding female anopheline mosquitoes. The human-mosquito contact is directly attributable to individual lifestyles and although predominantly ... -
Application of markov chain theory and network theory to a manpower system
(School of Mathematics, University of Nairobi, 2007)Labour is one of the key resources in any institution that if managed well can lead to increased productivity. Regular evaluation of existing structures and policies is necessary to avoid wastage and stagnation. Alot ... -
NPC Natural Product Communications
(Department of Chemistry, University of Nairobi,National Center for Natural Products Research and cDepartment of Pharmacology, Research Institute of Pharmaceutical Sciences, School of Pharmacy, University of Mississippi, Mississippi, 2011)The EtOH extract of Abrus schimperi (Fabaceae), collected in Kenya, demonstrated significant activity against Leishmania donovani promastigotes with IC50 value of 3.6 μg/mL. Bioassay-guided fractionation of CHCl3 fraction ... -
Distribution of Benzoquinone pigments in Kenya myrsinaceae
(Department of Chemistry, University of Nairobi,, 1983) -
Coumarins from Hypericum keniense (Guttiferae)
(Institute of Plant Biochemistry", Halle/ Saale, GermanyChemistry Department", University of Nairobi, KenyaTraditional Medicines and Drugs Research Centre, Nairobi,Kenya Medical Research Institute (KEMRI), 1998) -
Biembelin - a new symmetrical bisbenzoquinone from Rapanea Melanpholes
(Department of Chemistry, University of Nairobi,, 1993)A minor orange pigment metabolite in the fruits of R. melanphloes is 6,6"-bis-(2,5-dihydroxy-4-undecyl-3,6-l .enzoqulnone) or 6,6'-biembelin. -
Flavonoids of polygonum Senegalense part iii: Isolation of dihydrochalcone glucoside and quercetin glucosides
(Department of Chemistry, University of Nairobi,Department of Chemistry, Addis Ababa University, 1994)The internal tissue flavonoids of P. senegalense are glycosides, based mostly on quercetin. Chromatography on silica gel and Sephadex LH-20 of the hydrophilic extract resulted in the isolation and characterizationof ... -
Insect antifeedant, growth -inhibiting and larvicidal compounds from Melanpholes (Myrsinaceae)
(Department of Chemistry, University of Nairobi,Department of Zoology, University of Nairobi, 1995) -
Modelling teachers' duration in service in public schools and institutions in kenya
(School of Mathematics, University of Nairobi,, 2008)There has been increased enrollment in both primary and secondary schools in Kenya since the government implemented the free primary education in 2003 and now the subsidized secondary education. This means a higher demand ... -
Mobile Phone as an Electronic Wallet: A Case Study of Kenya
(School of Computing and Informatics, University of Nairobi, 2007)The Kenyan economy has many electronic and non-electronic cards that are used for various transactions ill various sectors of the economy. Kenya has credit cards, debit cards, SIM cards, smart cards, loyalty cards, calling ... -
Analysis of the antigens of leishmania donovani and an assessment of their potential use in immunodiagnosis
(Department of Zoology, University of Nairobi, 1988)In any attempt to improve sensitivity and efficacy of serodiagnostic tests in visceral leishmaniasis, it has become increasingly important to study the antigenic reportoire of Leishmania donovani, the causative ... -
A comparison of log-logistic survival model to logistic model in credit risk modelling
(School of Mathematics, University of Nairobi, 2008)Credit scoring systems are based on statistical and operations research models that seek to establish the likelihood of future credit behaviour based on information from past borrowers. Given that the cost of credit risk ... -
A framework for the implementation of e-government in Kenya
(School of Computing and Informatics, University of Nairobi, 2005)The arrival of the internet has led citizens to expect faster, better and more responsive access to government services. Simultaneously there is increasing pressure to provide more open and transparent policy implementation, ... -
Application of dynamic financial analysis (DFA) for solvency assessment for "'general insurance companies'" in Kenya
(School of Mathematics, University of Nairobi, 2008)Regulators have recently adopted Risk-Based Capital formula for the assessment of solvency. The project has developed a simple DFA model for the assessment of solvency for general insurance companies. The application of ... -
Studies on Nitrate Reductase and Nitrate Reductase Inhibiting Enzyme in field-grown finger millet (Eleusine coracana (L.) Gaertn.
(Department of Botany, University of Nairobi, 1992)The induction of NRA by nitrate has been demonstrated in various plants under strictly controlled conditions. When nitrate supply is limited, NRA is almost undetectable in the majority of the plants. This has led to ... -
Evaluation of Yarrowia Lipolytica as a Host for Cytochrome P450 Monooxygenase Expression
(2013-06-26)Biohydroxylation reactions are catalyzed by various types of hydroxylating enzymes (Ayala and Torres, 2004) which include dioxygenases, lipooxygenases as well as CYP450 monooxygenases. These particular hydroxylation reactions ... -
Knowledge Management Reediness Score (KMRS)
(School of Computing and Informatics, University of Nairobi, 2007)Organizations have evolved over time, starting from the data processing era (the 1970's). In this era, organizations concentrated on the capturing and storage of data, and data processing and storage was given great ... -
Synthesis and Characterization of Monomeric Magnesium and Zinc complexes supported by 1,5,9-Trimesityldipyrromethene for use in polymerization studies
(College of Physical and Biological Sciences, 2011)Magnesium and zinc complexes supported by a bulky bidentate ancilliary ligand have been synthesized and characterized. The compounds (pyac)MgnBu(THF),1; (pyac)Zn(nBu),2; (pyac)Mg(CH2CH2Ph)(THF), 3; (pyac)ZnEt, 4; and ... -
Cold Solvent Extraction and Phyico-Chemical Study of Avocado Oil", Internat. J. Biochemi Physics, 2, 81-84
(University of Nairobicollege of biological and physical science, 1993) -
Food preferences of Acanthoscelides obtectus (Celeoptera: Bruchidae), Oviposition behaviour and its effects on bean varieties
(University of Nairobi.School of Biological Sciences, 1993)