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Now showing items 61-80 of 12107
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Biochemical differentiation in Camellia sinensis and its wild relatives as revealed by isozyme and catechin patterns
(Pergamon, 2002-12-10)The variation in three NADP-linked dehydrogenase enzymes; glucose-6-phosphate dehydro- genase, 6-phosphogluconate dehydrogenase and shikimate dehydrogenase as well as alpha and beta esterases was determined in 24 cultivars ... -
The effect of education on business skills cognition among informal sector entrepreneurs
(journal of Vocational Education and Training, 2003)This study examined the effect of education, in comparison to training the experiential factors on Business Skills Cognition. Business Skills Cognition was a quantitative dependent variable whose measures were generated ... -
Microbial infections in the twenty first century: a continuous challenge
(Eeast African Medical Journal, 2003)Ever since the first case report of HIV infection approximately twenty years ago, enormous human and material resources have been put in place to assist in the control and management of the scourge. With an increase in ... -
The repellent and antifeedant activity of Myrica Gale oil against Aedes aegypti mosquitoes and its enhancement by the addition of salicyluric acid.
(Physicians Edinb., 2003)A clinical trial was carried out with Aedes aegypti (Ae aegypti) mosquitoes to investigate the repellant and antifeedant activity of oil of Myrica gale (M. gale) and its enhancement by salicyluric acid. Myrica gale was ... -
Spatial distribution and settlement system of the stone structures of south-western Kenya
(Taylor & Francis group, 2003)During the Later Iron Age period in Kenya, communities that built structures known in the local language as ohingni (singular - ohinga)' occupied the Lake Victoria region in south-western Kenya. The term refers to both ... -
Prevention of anaemia in pregnancy using insecticide-treated bednets and sulfadoxine-pyrimethamine in a highly malarious area of Kenya: a randomized controlled trial
(Elsevier, 2003-05)To compare the effects of intermittent treatment with sulfadoxine-pyrimethamine (SP) given during the second and third trimester of pregnancy, the use of insecticide-treated nets (ITN), or the combination of both on ... -
From single parents to child-headed households: the case of children orphaned by aids in Kisumu and Siaya districts
(UNDP, 2003-07-17)The socio-economic consequences of the HIV/AIDS epidemic are felt in a growing number of countries. Increasing mortality rates among adults are threatening economic and social wellbeing. Women and children are bearing the ... -
Impact of HIV infection on invasive cervical cancer in Kenyan women
(PubMed, 2003-09)To determine the association between invasive cervical cancer (ICC) and HIV infection in Kenyan women. Case-control, with ICC patients as cases, and women with uterine fibroids as controls. Medical and socio-demographic ... -
Economic impacts of east coast fever immunization on smallholder farms, Kenya: a simulation analysis
(2003-09-05)A whole farm simulation model, Technology Impact Evaluation System (TIES), was used to assess ex-ante financial and economic impacts of immunization of dairy cattle against East Coast Fever (ECF) by the infection and ... -
Knowledge and practice about cervical cancer and pap smear testing among patients at Kenyatta National Hospital, Nairobi, Kenya
(International Journal of Gynecological Cancer, 2003-11)Invasive cervical cancer (ICC) is the leading cause of cancer-related death among women in developing countries. Population-based cyto-logic screening and early treatment does reduce morbidity and mortality associated with ... -
Response of tomato genotypes to induced salt stress
(African Crop Science Society, 2003-12-31)Thirteen tomato (Lycopersicon esculentum L.) genotypes were subjected to salt treatment under hydroponics and their responses monitored in a set of two experiments with the objective of advancing them as potential salt ... -
Bancroftian filariasis in 12 villages in Kwale district, Coast province, Kenya -- variation in clinical and parasitological patters
(Annals of Tropical Medicine & Parasitology, 2004)As part of a larger study on the effects of permethrin-impregnated bednets on the transmission of Wucherena bancrofti, subjects from 12 villages in the Coastal province of Kenya, south of Mombasa. were investigated. The ... -
Student Entrepreneurship on Campus: A Survival Response or a Career Rehearsal? The Case of Egerton University Student Entrepreneurs
(Project MUSE, 2004)Kenya's university education faces a dilemma of increased demand for places against declining funding and increased graduate unemployment. The introduction of cost sharing, in an environment of increased poverty levels and ... -
Diffuse PAR irradiance under clear skies in complex alpine terrain
(Elsevier, 2004)The diffuse component of photosynthetically active radiation (PAR) is important for models that calculate carbon dioxide uptake in photosynthesis by vegetation. Few PAR measurements are usually available, especially in ... -
The use of catechins as biochemical markers in diversity studies of tea (Camellia sinensis)
(Kluwer Academic Publishers, 2004-04)The concentrations of catechins in a Kenyan tea germplasm collection of 102 accessions were determined by HPLC. Total green leaf catechin concentrations and the ratio of dihydroxylated to trihydroxylated catechins were ... -
Spatial clustering of malaria and associated risk factors during an epidemic in a highland area of western Kenya
(Blackwell publishing Ltd., 2004-07)The epidemiology of malaria over small areas remains poorly understood, and this is particularly true for malaria during epidemics in highland areas of Africa, where transmission intensity is low and characterized by acute ... -
Geophagy among pregnant and lactating women in Bondo District, western Kenya
(Elsevier, 2004-12)Geophagy was studied among 827 pregnant women in western Kenya, during and after pregnancy. The women were recruited at a gestational age of 14–24 weeks and followed-up to 6 months post-partum. The median age (range) of ... -
Non-genetic causes of the heterogeneity of variance in milk yield among Holstein-Friesian Herds in Kenya.
(AJOL, 2005)Lactation records of Holstein- Friesian cows in Kenya made during the period 1968 to 1984 were analyzed for the cases of heterogeneity of variance in milk yield among herds using a fixed effect least squares model. Year, ... -
Malaria morbidity among school children living in two areas of contrasting transmission in Western Kenya
(The American Society of tropical medicine and hygiene, 2005)Research in malaria-endemic areas is usually focused on malaria during early childhood. Less is known about malaria among older school age children. The incidence of clinical attacks of malaria was monitored, using active ... -
Effects of project-based learning on student performance of higher cognitive skills in secondary school agriculture
(OpenDocs, 2005)This study used a quasi-experimented design to investigate the effect of project- based learning on student performance of higher cognitive skills in secondary school agriculture. A total of 354 Form Three students drawn ...