Faculty of Science & Technology (FST): Recent submissions
Now showing items 241-260 of 4283
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Electrophoretic Deposition of Titanium Dioxide Thin Films for Photocatalytic Water Purification Systems
(University of Nairobi, 2017)In this study, electrophoretic deposition (EPD) technique was used to deposit titanium dioxide (TiO2) thin films on conducting glass substrates for application in water purification from organic contaminants. Phenol was ... -
Electrophoretic Deposition ofTiO2Thin Films for Photocatalytic Degradation of Organic Pollutants in Water
(University of Nairobi, 2018)In this study, electrophoretic deposition (EPD) technique was used to deposittitanium dioxide (TiO2) thin filmson conducting glass substratesfor application in photocatalytic degradation of organic ... -
Characteristics And Production Constraints Of Smallholder Tomato Production In Kenya
(University of Nairobi, 2019) -
Hydrological Response and Complex Impact Pathways of the 2015/2016 El Niño in Eastern and Southern Africa
(University of Nairobi, 2018)AbstractThe 2015/2016 El Niño has been classified as one of the three most severe on record. El Niñoteleconnections are commonly associated with droughts in southern Africa and high precipitation ineastern Africa. Despite ... -
An overview of groundwater and sanitation challenges in Kisumu City, Kenya
(University of Nairobi, 2019)The sub-surface is used in most parts of Africa as a repository of human waste and as a source of groundwater through pit latrines and shallow wells respectively. The wells provide freshwater to millions of people in Africa ... -
Characterization of Major Ion Chemistry and Hydro-Geochemical Processes in Mt. Elgon Trans-Boundary Aquifer and Their Impacts on Public Health
(University of Nairobi, 2019)There is a gradual paradox shift from the utilization of surface water to groundwater in both urban and rural Kenya. This is because surface water is both diminishing in quantity due to climate variability and deteriorating ... -
The Working Group on the Anthropocene: Summary of evidence and interim recommendations
(University of Nairobi, 2017)Since 2009, the Working Group on the ‘Anthropocene’ (or, commonly, AWG for Anthropocene Working Group), has been critically analysing the case for formalization of this proposed but still informal geological time unit. The ... -
Scale And Diversity Of The Physical Technosphere: A Geological Perspective
(University of Nairobi, 2016)We assess the scale and extent of the physical technosphere, defined here as the summed material output of the contemporary human enterprise. It includes active urban, agricultural and marine components, used to sustain ... -
Containment Studies of Transgenic Mosquitoes in Disease Endemic Countries: The Broad Concept of Facilities Readiness
(University of Nairobi, 2018)Genetic strategies for large scale pest or vector control using modified insects are not yet operational in Africa, and currently rely on import of the modified strains to begin preliminary, contained studies. Early ... -
The Effect Of Essential Oils Of Tagetes Minuta And Tithonia Diversifolia On On-host Behaviour Of The Brown Ear Tick Rhipicephalus Appendiculatus
(University of Nairobi, 2018)On-host behaviour of Rhipicephalus appendiculatus was studied in the field in Bungoma County in Kenya to evaluate the putative repellent effects of essential oils of Tagetes minuta and Tithonia diversifolia at its predilection ... -
Pathophysiological effects of Neem (Azadirachta indica) derivatives to Rhipicephalus appendiculatus, the tick vector for Theileriosis (East Coast Fever)
(University of Nairobi, 2017)Theeffects of 2 Neem derivatives, Neem oil (NO) and Neem Seed Powder (NSP),on various physiological parameters of the brown ear tick, Rhipicephalus appendiculatus,the vector for Theileria parva. ... -
Aflatoxin Binders in Foods for Human Consumption-Can This be Promoted Safely and Ethically?
(University of Nairobi, 2019)Aflatoxins continue to be a food safety problem globally, especially in developing regions. A significant amount of effort and resources have been invested in an attempt to control aflatoxins. However, these efforts have ... -
Brewers' spent grain in adsorption of aqueous Congo Red and malachite Green dyes: Batch and continuous flow systems.
(University, 2019)Sorption of Congo Red (CR) and Malachite Green (MG) dyes currently used in pigments and clothing industries were investigated using brewers' spent grain (BSG) from a local brewery. Adsorption increased with a higher adsorbent ... -
Artisanal fishing supports breeding of malaria mosquitoes in Western Kenya.
(University of Nairobi, 2019)BACKGROUND: Everyday hundreds of people, mainly men, set out to take part in a vibrant artisanal capture fishing (ACF) industry on Lake Victoria. It is not known whether actions of artisanal fishers, in their unrelenting ... -
Community-led data collection using Open Data Kit for surveillance of animal African trypanosomiasis in Shimba hills, Kenya.
(University of Nairobi, 2019)OBJECTIVE: In Sub-Saharan Africa, there is an increase in trypanosome non-susceptibility to multiple trypanocides, but limited information on judicious trypanocide use is accessible to smallholder farmers and agricultural ... -
Biodegradable water hyacinth cellulose-graft-poly(ammonium acrylate-co-acrylic acid) polymer hydrogel for potential agricultural application.
(University of Nairobi, 2019)Swollen cellulose fibres isolated from water hyacinth were utilized in the synthesis of water hyacinth cellulose-graft-poly(ammonium acrylate-co-acrylic acid) polymer hydrogel (PHG). Acrylic acid (AA) partially neutralized ... -
Theileriosis in Mountain Bongo Repatriated to Kenya: a Clinical and Molecular Investigation.
(University of Nairobi, 2019)Mountain bongo (Tragelaphus euryceros isaaci) from Kenya were exported to zoological institutions in North America and Europe in the 1970s and 1980s. In the following 20-30 years bongo numbers declined in Kenya and the ... -
Assessment of the prevalence of Theileria lestoquardi in sheep from the Sudan using serological and molecular methods.
(University of Nairobi, 2019)Malignant theileriosis of sheep and goats caused by Theileria lestoquardi is considered to be among the most important tick borne diseases in the Sudan. Information on the prevalence of the disease in different parts of ... -
Curcumin-based photosensitization inactivates Aspergillus flavus and reduces aflatoxin B1 in maize kernels.
(University of Nairobi, 2019)Different methods have been applied in controlling contamination of foods and feeds by the carcinogenic fungal toxin, aflatoxin, but nevertheless the problem remains pervasive in developing countries. Curcumin is a natural ...