Faculty of Science & Technology (FST): Recent submissions
Now showing items 3821-3840 of 4213
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Studies on the dissipation and metabolism of some insecticides under Kenyan environmental conditions.
(Depatment of Chemistry, University of Nairobi, 1993) -
Determination of concentration of total suspended particulate matter and some gaseous air pollutants in Athi river urban area, in Kenya
(Depatment of Chemistry, University of Nairobi, 2002)A study for the assessment of air quality with respect to total suspended particulate matter, heavy metals (Zn, Cd, Pb, Cu, Mn, Fe) analysis together with S.02 H2S, and NH3 gases emitted in Athi-River town was carried ... -
Larvicidal and anti-plasmodial compounds from derris trifoliata, lonchocarpus eriocalyx and erythrina sacleuxii
(Depatment of Chemistry, University of Nairobi, 2006) -
Atmospheric emission budgets for domestic biomass burning in Kenya
(Depatment of Chemistry, University of Nairobi, 2000)The thesis is the culmination of a series of efforts designed to quantify the annual contribution of domestic biofuel burning in Kenya to local, regional and global atmospheric trace gas budgets in 1997, by way of a ... -
Investigating the impact of improved cookstoves in Kenyan schools on PM10, CO,CO2,CH4 and N2O levels
(Depatment of Chemistry, University of Nairobi, 2009)The thesis is a culmination of efforts to quantify the benefits accrued by institutions on switching from traditional cook stoves to improved institutional stoves in terms ofIndoor Air Pollution, Greenhouse gas emissions ... -
Chemistry and biological activities of Hypericum Lanceolatum
(Depatment of Chemistry, University of Nairobi, 1997)The genus Hypericum belongs to the family Guttiferae and is represented by over 400 species. It is found widely distributed in the tropics as well as the temperate regions. This genus is mainly characterized by the ... -
Assessment of selenium status in livestock from Koibatek district, Kenya
(Depatment of Chemistry, University of Nairobi, 2000)Interest in assessing selenium status of livestock started around 1935, when it was discovered that selenium causes toxicity. Twenty three years later, selenium was proven to be an essential nutrient in animals and this ... -
Sorption and detection of phenolic compounds by rice husk ash from Mwea,Kenya
(Depatment of Chemistry, University of Nairobi, 2001)In this study, the potential of rice husk ash (RHA) to (i) adsorb phenol, resorcinol and 2-chlorophenol and (ii) be used in the detection of pyrogallol and pyrocatechol dissolved in aqueous solutions have been investigated ... -
Physico-electrochemical assessment of pollutants in Ngong river
(Depatment of Chemistry, University of Nairobi, 2007)In this thesis, the quality of water in Nairobi River is assessed for pollutants. Heavy metals assessed include lead, copper, cadmium, zinc, iron, nickel and chromium. Biochemical analyses of the water which entailed ... -
Synthesis and bioassays of Chilo partellus female sex pheromones and their analogues
(Depatment of Chemistry, University of Nairobi, 1994)Synthetic sex pheromones could provide valuable alternative means of pest control in Integrated Pest Management (IPM) strategies. Their uses could include population monitoring with pheromone traps to guide other control ... -
Electrochemical features of polytidophene on clay modified electrodes
(Depatment of Chemistry, University of Nairobi, 2002)In this thesis, electrochemical analysis of the conducting polymer polythiophene was performed using cyclic voltammetric technique. Carbon graphite was used as the working electrode in the various studies. Potential ... -
Physical-chemical and bioactivity investigations of anti-diabetic traditional drugs
(Depatment of Chemistry, University of Nairobi, 2009)Water extract of Podocarpus sp (CADE-A), chloroform, methanol and a mixture of water extracts of Rhamnus prinoides, Carissa edulis, and Toddalia asiatica (CADE-B) have been used traditionally by Kenyan communities for the ... -
The hydrogeochemistry and water quality of Timboroa-Ainabkoi area
(Depatment of Chemistry, University of Nairobi, 1990) -
Community Computing; Neighbourhood Web Portal for Residential Estates
(University of NairobiSchool of computing & informatics, 2010)The purpose of this study was to identify, using a case study, the key components required for the development and deployment of a web portal for use by residential estates communities in urban centres in Kenya. This was ... -
Oviposition and feeding allelochemicals for chilo partellus from sorghum and maize cultivars; bioassay, isolation and characterization:
(Depatment of Chemistry, University of Nairobi, 1994)A study was carried out to isolate and identify the chemicals from sorghum and maize that determine the oviposition and feeding responses, respectively, of the moth and larvae of Chilo partellus a serious pest of these ... -
Chemistry and biological activities of zanthoxylum chalybeum and erythrina excelsa
(Depatment of Chemistry, University of Nairobi, 2000)The plants Zanthoxylum chalybeum (Rutaceae) and Erythrina excelsa (Leguminosae), which are both referred to by the Luo vernacular name "Roko", are extensively used in folk medicine in Nyanza province, Kenya. In this ... -
Extraction and characterization of Vernonia oil and synthesis of N-(aminoalkyl) vernolamides and N,N' polymethylene bis (vernolamides)
(Depatment of Chemistry, University of Nairobi, 1996)Vernonia galamensis is an annual herb found growing as a common weed in most parts of Africa, but its center of diversity is in East Africa. The dry seed of this plant consists of about 40% naturally epoxidized oil that ... -
Metal ion sorption by alocally available natural polymineral adsorbent in Kenya.
(Depatment of Chemistry, University of Nairobi, 2003)Two different samples of a micaceous mineral, herein referred to as MicaMA and MicaMB obtained from two separate sources here in Kenya, were utilized as inexpensive and effective adsorbents for the removal of heavy metal ... -
Expression profiles of tsetse (glossina spp) glossina proteolytic lectin (gpl) gene
(Depatment of Chemistry, University of Nairobi, 2006) -
Investigation of shared antigens between schistosoma mansoni and the intermediate host, biomphalaria pfeifferi
(school of biological sciences, 1988)schistosomiasis is a major health problem especially in the developing countries within the tropics. The search for an effective vaccine has however been frustrated by two main contraints namely, the antigenic complexity ...
