Browsing Research Papers (RP) by Issue Date
Now showing items 1-20 of 7190
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Morphological Structure and the Anthropogenic Dynamics in the Lake Naivasha Drainage Basin and its Implications to Water Flows
(Summer School 2005, )Throughout its length, the Kenyan Rift Valley is characterized by Quaternary volcanoes. At Lake Naivasha drainage basin, the Eburru (2830m) and Olkaria (2434m) volcanic complexes and Kipipiri (3349m), Il Kinangop (3906m) ... -
Suppression of interfering ions in the analysis of plants to determine fluoride using the fluoride ion selective electrode
(Royal Society of Chemistry, 197)Plant ashes may contain sufficient aluminium and/or iron to interfere seriously in the determination of fluoride ions when using the fluoride ion selective electrode. In the presence of these metals the known additions ... -
Characterization of heart plaque in by‐passed and non‐bypassed heart arteries
(Taylor & Francis, 199)Patients who have undergone bypass surgery often find the bypasses fill up again with plaque ("new plaque") whereas the heart arteries not bypassed contain plaque deposited since childhood ("old plaque"). A preliminary ... -
Contribution of hot spring cyanobacteria to the mysterious deaths of Lesser Flamingos at Lake Bogoria, Kenya
(Oxford University Press, 200-03-01)Cyanobacterial mats at hot springs on the shore of the alkaline Lake Bogoria, Kenya, were investigated regarding species community and cyanobacterial toxin content. The hepatotoxins microcystin-LR, -RR, -LF and -YR, and ... -
Numerical Modeling ofSeawater Intrusion Management Measures
(NII-Electronic Library Service, 200-06-30)Overexploitati oofn coastal aquifers has become a common issu ewith many coasta1 regions experiencing extensive seawater intmsio rnes,ulting i nsevere deteriorat ioofgnroundwater qualit yW.hen analyzing the freshwater ... -
Mothers' knowledge on malaria and vector management strategies in Nyamira District, Kenya.
(East Afr Med J, 200-09)BACKGROUND: Maternal knowledge on malaria and vector control measures are important because they enable mothers make an informed choice on the method of malaria control to use for their children under five years. OBJECTIVE: ... -
Fabrication of Rh-doped TiO2 nanofibers for Visible Light Degradation of Rhodamine B
(Materials Research Society: Volume 1352,, 201)The synthesis and application of environmentally benign, efficient and low cost heterogeneous catalysts is increasingly important for affordable and clean chemical technologies. Nanomaterials have been proposed to have new ... -
Factors Affecting Stem Borer Parasitoid Species Diversity and Parasitism in Cultivated and Natural Habitats
(Entomological Society of America, 201)The effects of biotic and abiotic factors on stem borer parasitoid diversity, abundance, and parasitism were studied in cultivated and natural habitats in four agroecological zones in Kenya. Comparing habitat types, we ... -
Anti-protozoal activity of aporphine and protoberberine alkaloids from Annickia kummeriae (Engl. & Diels) Setten & Maas (Annonaceae)"
(BMC Complementary and Alternative Medicine, 201)Background: Malaria, trypanosomiasis and leishmaniasis have an overwhelming impact in the poorest countries in the world due to their prevalence, virulence and drug resistance ability. Currently, there is inadequate armory ... -
Role Overload, Teacher-Pupil-Ratio, School Type, Years of Teaching Experience, Gender and Burn Out as Factors Related to Work Stress among Primary School Teachers in Kasarani Division, Nairobi County, Kenya
(Global Journals Inc. (USA), 201)The intention of this study was to establish the work related factors that contribute to stress and burn out among primary school teachers in Kasarani. To achieve this, the study sought to investigate the role played by ... -
Trauma types, symptoms, manifestations and social support systems among university students trauma survivors in Kenya
(Contemporary Research Center AUSTRALIA, 201)The intention of this study was to explore trauma types, symptoms manifestations and social support systems among undergraduate students in Kenya. Specifically, the study was done among the first and second year students ... -
In-kind transfers of maize, commercialization and household consumption in Kenya
(Journal of Eastern African Studies, 201)This article discusses in-kind food transfers and whether such transfers should be interpreted as a sign of the failure of grain markets to meet the food demands of the poor. The article elucidates on aspects of both ... -
Parasitization of Helicoverpa armigera (Lepidoptera: Noctuidae) by four Indigenous Trichogrammatid Species/Strains in a Mixed Cropping System of Tomato and Okra
(SCIENCEDOMAIN international, 201-02-21)Aims: Egg parasitoids, Trichogramma are recognised as natural enemies of many lepidoptera pests worldwide. In Kenya, a number of indigenous parasitoids species have been recovered. We evaluated the relative preference ... -
Prevalence of Metabolic Syndrome Among an Urban Population in Kenya
(Diabetes Care, 201-04)OBJECTIVE Developing countries are undergoing an epidemiologic transition accompanied by increasing burden of cardiovascular disease (CVD) linked to urbanization and lifestyle modifications. Metabolic syndrome is a cluster ... -
An analysis of the efficiency of indigenous chicken marketing channels in Makueni County, Kenya
(201-04)The indigenous chicken (IC) (Gallus domesticus ) production is an important agricultural activity in many households in Kenya. Despite its importance, little research has been carried to enhance its productivity. Focus now ... -
Lead contamination of traditional hand-dug wells in parts of Kwale County, Kenya
(International Journal of Physical Sciences, 201-05)People’s health, behavior and intellect to a certain extent are a function of their environment. One important component of this environment is water, a basic necessity that human beings cannot do without. The water ... -
Potential role of cereal-legume intercropping systems in integrated soil fertility management in smallholder farming systems of sub-Saharan Africa
(Third RUFORUM Biennial Meeting, 201-09)The sub-Saharan Africa’s population is growing exponentially and it has to fulfill its food and nutrition requirement. An attractive strategy for increasing productivity and labour utilization per unit area of available ... -
Topography as a modifier of breeding habitats and concurrent vulnerability to malaria risk in the western Kenya highlands
(Parasites & Vectors, 201-12)BACKGROUND: Topographic parameters such as elevation, slope, aspect, and ruggedness play an important role in malaria transmission in the highland areas. They affect biological systems, such as larval habitats presence ... -
Reactions of Lead Tetraacetate. II. Formation of Carbamic Acid Esters from Primary Carboxamides
(CSIRO Publishing, 1968)Treatment of primary carboxamides with lead tetraacetate in benzene-alcohol mixtures or neat alcohol affords a convenient, flexible, and efficient method for the preparation of N-substituted carbamic acid esters. The ... -
Reactions of Lead Tetraacetate. I. Formation of Acylamines from Primary Carboxamides
(CSIRO Publishing, 1968)Pentanamide, when treated with lead tetraacetate in hot benzene, affords a mixture of N-butylacetamide and N,N?-dibutylurea. Examples of similar transformations of a number of primary carboxamides are described. The reaction, ...
