Faculty of Science & Technology (FST): Recent submissions
Now showing items 741-760 of 4283
-
The critical organizational factors of e-government in Kenya.
(2015)eGovernment focusses on the use of technology to achieve levels of improvement in various areas of government, transforming the nature of politics and relations between the government and citizens. However, in Kenya, just ... -
Molecular Epidemiology of Plasmodium falciparum Malaria Outbreak, Tumbes, Peru, 2010–2012
(2015)During 2010–2012, an outbreak of 210 cases of malaria occurred in Tumbes, in the northern coast of Peru, where no Plasmodium falciparum malaria case had been reported since 2006. To identify the source of the parasite ... -
Identification Key for Aspergillus Species Isolated from Maize and Soil of Nandi County, Kenya
(University of Nairobi, 2015)The aim of this study was to identify Aspergillus species isolated from maize kernels and soils of maize fields of Nandi County using macro and micro morphological characteristics. A cross sec- tional research design was ... -
Increasing prevalence of a novel triple-mutant dihydropteroate synthase genotype in Plasmodium falciparum in western Kenya
(2015)The molecular basis of sulfadoxine-pyrimethamine (SP) resistance lies in a combination of single-nucleotide polymorphisms (SNPs) in two genes coding for Plasmodium falciparum dihydrofolate reductase (Pfdhfr) and P. falciparum ... -
Selection and Spread of Artemisinin-Resistant Alleles in Thailand Prior to the Global Artemisinin Resistance Containment Campaign
(2015)The recent emergence of artemisinin resistance in the Greater Mekong Subregion poses a major threat to the global effort to control malaria. Tracking the spread and evolution of artemisinin-resistant parasites is critical ... -
Effect of Annealing and Surface Passivation on Doped SnO2 Thin FilmsPrepared by Spray Pyrolysis Technique
(2015)In this study doped SnO2 thin films have been prepared by spray pyrolysis technique using an alcoholic precursor solution consisting of stannic chloride (SnCl4.5H2O), ammonium fluoride (NH4F) and palladium chloride (PdCl2). ... -
Transport Mechanism in TiO2/In(OH)xSy/Pb(OH)xSy/PEDOT:PSS eta Solar Cell
(2015)Transport mechanism studies in TiO2/In(OH)xSy/Pb(OH)xSy/PEDOT:PSS eta solar cell have been carried out. The characterizations have been performed both in the dark and under varying illumination intensity for temperature ... -
Anti-vancomycin-resistant Enterococcusfaecium and E. faecalis ACTIVITIES of (-)-gossypol and derivatives from Thespesia garckeana.
(2015)The root extract of Thespesia garckeana yielded three known oxidatively coupled sesquiterpenoids, namely (-)-gossypol (1) and two of its derivatives (-)-6-methoxygossypol (2) and (+)-6,6'-dimethoxygossypol (3), and the ... -
Wiring Kenyan languages for the global virtual age: An audit of the human language technology resources.
(University of Nairobi, 2015-02-02)Whereas we recognize the advancement of computing a nd internet technologies over the years and its impact in the areas of health, education, gover nment, etc., there is increasing cognizance that th e languages ... -
Role of Cl on diffusion of cu in in2s3 layers prepared by ion layer gas reaction method
(University of Nairobi, 2015)Ion layer gas reaction (ILGAR) method allows for deposition of Cl-containing and Cl-free In2S3 layers from InCl3 and In(OCCH3CHOCCH3)3 precursor salts, respectively. A comparative study was performed to investigate the ... -
A mobile-phone tele-medicine system that promotes selfmanagement of blood pressure among hypertensive patients in kirinyaga sub county
(University of Nairobi, 2015)The current practice adopted by hypertensive patients in managing hypertension is making frequent visits to a health center as recommended by medical specialists. However, very few patients adhere to this practice as it ... -
Modeling returns and unconditional variance in risk neutral world for liquid and illiquid market.
(University of Nairobi, 2015)This article seeks to model daily asset returns using log-ARCH-Lévy type model which is expected to reproduce most of the stylized features of financial time series data (such as volatility clustering, leptokurtic nature ... -
Morphological and RAPD-marker characterization of Melia volkensii (Gürke) in vitro plants regenerated via direct and indirect somatic embryogenesis.
(Univeristy of Nairobi, 2015)Somaclonal variation induced in vitro during tissue culture can be a problem in clonal micropropagation of elite plants. This study investigated the extent of morphological and genetic similarity or dissimilarity between ... -
Role of bismuth and substrate temperature on the optical properties of some flash evaporated se<sub>100-x</sub> bi<sub>x</sub> glassy system
(University of Nairobi, 2015)Chalcogenide glasses are very important in the modern technology especially selenium-based. These glasses are sensitive to electromagnetic radiation useful in the infrared optics. The study investigated the effect of ... -
Antiplasmodial potential of traditional antimalarial phytotherapy remedies used by the Kwale community of the Kenyan Coast.
(University of Nairobi, 2015-05-20)ETHNOPHARMACOLOGICAL RELEVANCE: In Kenya, 22 million people are at risk of malaria, 70% of them are in rural areas and most of these people use traditional plant based medicines to treat malaria. The aim of the study ... -
Glutathione S-Transferases: α-Naphthyl Acetate Activity and Possible Role in Insecticide Resistance
(1995)Rat liver and house fly, Musca domestica L., glutathione S-transferases were purified by affinity chromatography and chromatofocusing. The specific activity with α-naphthyl acetate (a substrate, for general esterase activity) ... -
Effects of land-use intensification on distribution and diversity of Fusarium species in Machakos County, Kenya.
(University of Nairobi, 2015)Land-use intensification has a significant influence on occurrence of soil microorganisms. The effect of this phenomenon on Fusarium species is poorly characterized. One hundred soil samples were obtained from 3 replicated ...