Theses and Dissertations: Recent submissions
Now showing items 6981-7000 of 49224
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Energy conservation opportunities at the defence forces memorial hospital.
(University of Nairobi, 2021)A study on energy conservation measures was conducted at the Defence Forces Memorial Hospital (DFMH) to identify opportunities which would cut down on the overall energy cost. This was guided by evaluation of energy cost ... -
Rapid assessment of calcium carbide ripened bananas using machine-learning assisted laser Raman spectroscopy.
(University of Nairobi, 2021)Fruit ripening is usually a natural process in which fruits undergo various chemical and physical changes before they become palatable. New artificial ways of fruit ripening have been developed as a result of recent ... -
Molecular identification and evaluation of genetic diversity of Kenyan Dioscorea species using universal DNA barcodes of rbcL and matK regions.
(University of Nairobi, 2021)Yams (Dioscorea species) are tuber crops that are grown in tropical regions of Africa, the Caribbean, South America, Asia and South Pacific islands. In Kenya, yams are grown in western, coastal and central highland regions ... -
Effect of selected classroom interactions on learner’s academic achievement in chemistry in public secondary schools in Murang’a county, Kenya.
(University of Nairobi, 2021)The purpose of the study was to investigate the effect of selected classroom interactions on learners’ academic achievement in Chemistry in public secondary schools in Murang’a County, Kenya. The specific objectives of the ... -
Adverse birth outcomes associated with drug use in pregnancy at Kenyatta national hospital.
(University of Nairobi, 2021)Background: Drug prescribing and use during pregnancy is common and essential for either treating a pre-existing condition or a condition that develops during pregnancy. Use of various drugs during pregnancy cause possible ... -
Effect of intercropping sorghum with cowpea and nitrogen application on growth and yield of sorghum (sorghum bicolor (l.) moench).
(University of Nairobi, 2021)Intercropping is an important sustainable cropping system in which two or more crops are grown in the same piece of land. Despite the development of high yield varieties, sorghum yields have remained low due to low soil ... -
Survey and assessment of acaricide residue levels in home cattle sprays, soil and water from Ewaso river, Kajiado county, Kenya.
(University of Nairobi, 2021)Tick borne diseases are a major global concern for livestock productivity. These ectoparasites control involve use of acaricides from which have reported tick treatment failures, increased environmental contamination and ... -
Determinants of household dietary diversity among smallholder maize farmers in Uasin Gishu county, Kenya.
(University of Nairobi, 2021)Kenya’s economy is highly dependent on agriculture with maize being grown nearly in all parts of the country mainly under rain fed environmental conditions and is a food for 98% of the population in Kenya. With most of ... -
Diversity and performance of egg parasitoids occurring on fall armyworm (spodoptera frugiperda j.E smith) on maize in Kenya.
(University of Nairobi, 2021)Fall armyworm, Spodoptera frugiperda (J.E Smith) (Lepidoptera: Noctuidae) is an insect of economic importance, indigenous to tropical and sub-tropical regions of America. This pest mainly attacks maize crop and it also has ... -
Genetic variants associated with trypanotolerance trait in cattle.
(University of Nairobi, 2021)Animal trypanosomiasis (Nagana), a protozoan disease, is the source of huge productivity losses to small scale farmers in sub-Saharan Africa. Nagana affects wild animals, sheep, goats, camels and cattle reducing their ... -
The influence of national interest on regional integration: the case of Kenya in the East African community.
(University of Nairobi, 2021)This study examined the extent to which Kenya‘s pursuit of its national interest has promoted or undermined the integration process in the East African Community (EAC) region. The study was guided by the following research ... -
Assessment of woody plants species diversity in Rusinga island, Homa bay county, Kenya.
(University of Nairobi, 2021)Land degradation is a major environmental problem as manifested in global decline in woody vegetation and loss of biodiversity. Understanding the dynamics of plant communities is imperative in developing appropriate ... -
Structural and electronic studies of selected titanium oxides and oxynitrides.
(University of Nairobi, 2021)Titanium dioxide (TiO2) is an abundant, chemically stable, non-toxic, and highly versatile material, with applications ranging from photovoltaics to catalysis. TiO2 rutile and anatase have band gaps of 3.0 eV and 3.2 eV, ... -
Evaluation of lead, cadmium, and chromium levels in automotive paints in Kenyan market.
(University of Nairobi, 2021)Heavy metals such as chromium, lead and cadmium are added to paint because of their beneficial properties. Some of the compounds of chromium and cadmium are added to paints to provide protection against corrosion and for ... -
Effect of annealing ambient on the structural, optical and electrical properties of tio2:ge thin films for photovoltaic application.
(University of Nairobi, 2021)Titanium dioxide is a wide bandgap semiconductor widely used in optoelectronics. Despite its potential application in photovoltaics, the overall efficiency of fabricated solar cells using TiO2 is usually low due to losses ... -
The expression of PF3D7_1146100; a novel, essential Plasmodium falciparum antigen, and its evaluation as a target of protective immunity to clinical malaria.
(University of Nairobi, 2021)The use of reverse vaccinology in vaccine candidate antigen discovery has led to identification of many Plasmodium falciparum novel antigens. Some of these antigens are essential for parasite survival and could be evaluated ... -
Effects of land use on non-motorized transport patterns in Eldoret central business district.
(University of Nairobi, 2020)Non-motorized transport is a primary means of transportation for people in developing countries. Developing countries, including Kenya have prioritized vehicular mobility to the disadvantage of non-motorized transport ... -
Detection of sugarcane mosaic virus and symptom expression of maize genotypes to infection by the virus in Kenya.
(University of Nairobi, 2021)Emergence of maize lethal necrotic (MLN) disease, in eastern Africa has threatened maize production in the region. The disease is caused by mixed infection of maize by Maize chlorotic mottle virus (MCMV) and a potyvirus, ... -
Missed opportunities for implementation of national guidelines on HIV retesting in labour/delivery and postpartum at Pumwani maternity hospital.
(University of Nairobi, 2021)Introduction: Vertical transmission of HIV is still a major challenge in developing countries. Mother-to child- transmission (MTCT) makes up for 90% of HIV infections/disease in children(1). WHO and NASCOP/MOH Guidelines ... -
Fabrication and characterisation of NB:TIO2 thin film for hydrogen gas sensing application.
(University of Nairobi, 2021)A gas sensor is a selective device used in monitoring the presence or concentration level of a particular gas in the ambient atmosphere. Gas sensors operate on the principle which is anchored on any of the following three ...
