Theses and Dissertations: Recent submissions
Now showing items 3741-3760 of 47678
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Determination of the Effects of the Thermal Enhancement Process on Gemstones Using X-ray Diffraction and Raman Spectroscopy
(University of Nairobi, 2022)This study determined the effects of an optimized thermal enhancement process on the quality of the ruby, sapphire, amethyst, and smoky quartz gem samples from Taita-Taveta County in Kenya. The study sought to improve the ... -
Genotypic Response to Striga (Striga Hermonthica) Infestation in Wild Relatives and Landraces of Sorghum (Sorghum Bicolor ) and the Introgression of the Resistance Into Cultivated Varieties
(University of Nairobi, 2022)Sorghum is the second most important cereal crop in Kenya after maize, grown on an area of 117000 ha -1 with about 144000 tonnes being produced annually. Striga hermonthica is among the major causes of sorghum yield loss ... -
The Incidence and Early Outcomes of Cervical Esophagogastric Anastomotic Leaks Following Oncologic Esophagectomy at Kenyatta National Hospital
(University of Nairobi, 2022)Background: Oncologic Esophagectomy is a cornerstone in the management of resectable esophageal cancer, with postoperative anastomotic leaks a common complication. Few studies have looked specifically at the mortality and ... -
Etiology, Prevalence, Risk Factors and Pathological Lesions Associated With Canine Cutaneous Myiasis in Kitui County, Kenya
(University of Nairobi, 2022)A cross-sectional study of canine cutaneous myiasis (CCM) was conducted from March to August, 2021 in eight sub-counties of Kitui County, Kenya. The aim of the study was to determine the etiology, prevalence, risk factors ... -
Development of Finger Millet-amaranth Based Weaning Porridge Flour Enriched With Edible Cricket Scapsipedus Icipe
(University of Nairobi, 2022)Globally, there is growing interest to integrate nutrient–dense foods such as insect flour into food products to achieve nutritional goals and address food insecurity. Though cereal–based porridge is widely consumed in ... -
The Prevalence of Depression Among Menopausal Female Teachers in Nairobi County, Kenya
(university of nairobi, 2022)Background: Menopause is generally well-tolerated in most women. Many studies, albeit inconsistent findings have shown that during the menopausal phase, women are 2 – 5 times more likely to get depression than in any other ... -
Intraspecific Genetic Diversity Among Trypanosomes From Kwale and Marsabit Counties in Kenya
(University of Nairobi, 2022)African Animal Trypanosomiasis caused by trypanosomes is a great challenge to livestock keeping. The parasites are transmitted biologically by tsetse flies (Glossina spp.) and mechanically by stable flies like Stomoxys ... -
Quality Characteristics and Consumer Exposure to Sulphur Dioxide From Fruit-based Nonalcoholic Beverages Commercially Traded in Nairobi
(University of Nairobi, 2022)A diversity of fruit based non- alcoholic beverages, locally produced, and imported are sold and consumed in Kenya. The choice preservative for these beverages is Sulphur dioxide, making it one of the potential causes of ... -
Evaluation of Trace Elements’ Concentrations in Nails of Esophageal and Stomach Cancer Patients: as an Early Diagnostic Screening Tool
(University of Nairobi, 2022)This study aimed at investigating a possible early screening diagnostic tool for cancer. Cancer is ranked third among the leading causes of deaths in Kenya with an average of 75% of cancer patients being diagnosed at ... -
Cost Utility and Budget Impact Analysis of 5-fluorouracil and Capecitabine Based Regimens for Management of Colorectal Cancer at Kenyatta National Hospital
(University of Nairobi, 2022)Background Colorectal cancer (CRC) is the third most common cancer globally and it is the fourth leading cause of cancer-related mortality. Management of CRC has progressively improved over the years, with a number of ... -
A Comparison Between Digital Breast Tomosynthesis and Ultrasound in the Characterization of Mammographic Breast Lesions Using Histopathology as the Gold Standard at Kenyatta National Hospital a Cross-sectional Matched Pairs Design
(University of Nairobi, 2022)Introduction: Breast cancer ranks second after lung cancer in both sexes globally, and the commonest occurring cancer in women worldwide. Africa has been recorded as having the highest age-standardized breast cancer mortality ... -
Factors Associated With the Initiation of Breastfeeding Within One Hour of Delivery at Kenyatta National Hospital
(University of Nairobi, 2022) -
Indications and Challenges of Implant Removal Following Long Bone Osteosynthesis in Four Urban Hospitals in Kenya
(University of Nairobi, 2022)Introduction In orthopedic trauma, surgical stabilization is key and majorly involved. Fracture stabilization by the use of metals has been widely used since the Second World War. It is a widely accepted method, with ... -
An Investigation of the Fatigue Properties of the Aluminium-copper Alloy 2014
(University of Nairobi, 2022)Investigating fatigue properties is very important to researchers since the knowledge of the fatigue life is required in both design and predicting the life of aircraft and other structural materials. Through experimental ... -
Brachiaria Brizantha Cv. Xaraes Yields and Soil Greenhouse Gas Emissions From Fertilized Humic Nitisols of Central Kenya
(University of Nairobi, 2022)This study evaluated the effects of organic and inorganic soil fertilization on forage grass (Brachiaria brizantha cv. xaraes) yields, soil N availability, and soil greenhouse gas (GHG) emissions in Central Kenya. A field ... -
Evaluation of Quality Measures for Point of Care Blood Glucose Testing at Kenyatta National Hospital
(University of Nairobi, 2022)Background: Point of Care Testing (POCT) is defined as a type of laboratory testing that is done close to the patient as opposed to laboratory testing in the hospital’s main laboratory (Shaw, 2015). It is estimated that ... -
Evaluation of Robustness of Water Distribution Networks by Varying Peak Factors in Hydraulic Models: Case Study of Mombasa North Mainland
(University of Nairobi, 2022)Most old water distribution networks are extended overtime to accommodate new connections which make them heavily looped. These networks also lack well-documented mapping incorporating all alterations. Consequently, there ... -
Prevalence of Gastrointestinal Parasites and Associated Factors in Zebu Calves Among Pastoralists in Isiolo County Kenya
(University of Nairobi, 2022)Helminthosis is a gastrointestinal infection caused by nematodes, cestodes and trematodes, which causes sub-optimal production, reproduction, early culling, work capacity, extra cost of treatment, reduced market values of ... -
Knowledge, Attitude and Practice of Meat Hygiene Among Slaughterhouse Workers and Meat Traders in Bosaso District Puntland State of Somalia
(University of Nairobi, 2022)Most developing countries like Somalia have a challenge of widespread occurrence of meat related diseases due to inadequacy of laws on safety, practices of handling meat and sanitation conditions, weaknesses in regulatory ... -
Prevalence, Risk Factors, and Microbiological Profile of Early Surgical Site Infection Following Orthopaedic Implant Surgery at Kenyatta National Hospital
(University of Nairobi, 2022)Background: The prevalence of surgical site infections (SSI) in orthopaedic surgery has been on the rise especially in low and middle-income countries (LMIC). This has been attributed to the increased number of trauma ...