Faculty of Science & Technology (FST): Recent submissions
Now showing items 21-40 of 4087
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Biotic Effects of Climate Change in the Tropical Alpine Moorlands of Mount Kenya and Mount Elgon, and Its Impact on Dependent Local Communities
(University of Nairobi, 2023)Tropical alpine areas are extraordinary ecosystems that provide valuable services including water, biodiversity, and food. These areas are uniquely threatened by climate change as they are predicted to warm more over the ... -
Impacts of Climate Variability on Livelihoods Sustainability in Kapsokwony Division, Mt. Elgon District, Kenya
(University of Nairobi, 2023)Mountains offer a special setting for identifying climate change and evaluating its effects. Long and short term climate variabilities continue to impact livelihoodsof small-holder farmersin the study area. People who live ... -
Effect of Selected Environmental Parameters on Quality of Syzygium Cuminii Fruits in Kenya
(University of Nairobi, 2023)Syzygium cuminii tree species belongs to the Myrtaceae family. The problem of underutilization of indigenous and traditional food resources can be addressed by promoting the utilization of these fruits to strengthen the ... -
Prosopis Juliflora Invasion in Baringo, Kenya: Exploring Its Impacts on Lulc Dynamics, Vachellia Tortilis, Selected Ecosystem Services, Livelihoods and Potential Spread Under Climate Change
(University of Nairobi, 2023)Savanna grasslands are invaluable, but face threats from multiple stressors such as land degradation, woody encroachment and climate change. While it is expected that climatic changes will continue to exacerbate existing ... -
Human Health Risks Associated With Radioactivity and Heavy Metals Around Mrima Hill and the Kwale Heavy Mineral Sand Mine, Kenya
(University of Nairobi, 2023)This study addresses global health concerns from heightened environmental radioactivity and heavy metal exposure. Despite extensive research on the dynamics and health risks of heavy metal pollution from various mining ... -
Chemical Degradation of Aflatoxin Contaminants in Maize as a Value Addition Strategy for Selected Counties in Kenya
(University of Nairobi, 2023)Aflatoxin contamination of maize, rice, groundnuts and wheat products is a common phenomenon in Kenya. This result to low nutritional value and huge economic loss of the crops produced. Additionally, consumption of aflatoxin ... -
Drought, Vulnerability and Adaptation: Risk of Food and Livelihoods Insecurity for Pastoralists and Agro-pastoralists in Borana Zone, Southern Ethiopia
(University of Nairobi, 2023)Ethiopia. a country in the Horn of Africa, is observing an increase in natural disasters, especially droughts. The impact of natural disasters and the ensuing economic harm they have caused have grown dramatically over the ... -
Development of Prognostic Models in the Presence of Competing Risks and Model Uncertainties: an Application to Peadiatric in-hospital Mortality
(University of Nairobi, 2023)This report delves into the practical applications of advanced modeling in the realm of prognostic modeling for pediatric in-hospital mortality. This research commenced with a comprehensive systematic review aimed at ... -
Investigating the Teleconnection Between Enso and Basin-scale Flooding: Case Study of Nzoia River Basin, Western Kenya
(University of Nairobi, 2023)Even though there is progress in enhancing flood forecasting in Kenya, floods still continue to cause multiple casualties and substantial damages to infrastructure and properties leading to massive economic losses in areas ... -
Development of an Immunosensor for Detection of Lung Cancer Biomakers
(University of Nairobi, 2023)Early detection of cancer (long before the tumor is perceived) greatly increases the chance of curability, and is the point of focus for many cancer researchers. The mortality rate due to lung cancer has not decreased for ... -
Impacts of Climate Change on Sustainable Pastoralist Livelihoodsof Pokot Community in West Pokot County, Kenya
(University of Nairobi, 2023)West Pokot is among the adversely affected counties by climate extremes. The Pokot community is mainly pastoralist, whose mainstay is on livestock keeping, a very fragile livelihood to climate change shocks. The vulnerability ... -
Chemical Degradation of Aflatoxin Contaminants in Maize as a Value Addition Strategy for Selected Counties in Kenya
(University of Nairobi, 2023)Aflatoxin contamination of maize, rice, groundnuts and wheat products is a common phenomenon in Kenya. This result to low nutritional value and huge economic loss of the crops produced. Additionally, consumption of aflatoxin ... -
On Equivalences of Some Classes of Operators in Hilbert Space
(University of Nairobi, 2023)The study explores various classes of operators introduced by different researchers, including n-normal, (n;m)-normal, k-quasi-(n;m)- normal, n-hyponormal, and (n;m)-hyponormal operators. Notably, the class of (n;m)-hyponormal ... -
Utilization of Concrete Waste in the Manufacture of Portland Pozzolana Cement
(University of Nairobi, 2023)Concrete waste is a subclass of construction and demolition waste composed of hydrated cement, coarse, and fine aggregates. It bears its origin from the construction and demolition of concrete structures. The purpose of ... -
Arbuscular Mycorrhiza Fungi Communities and Associated Common Tree Species in Chawia, Fururu and Ngangao Forest Fragments of the Taita Hills Forest, Kenya
(University of Nairobi, 2023)Arbuscular mycorrhizal fungi (AMF) are forms of symbionts that are ubiquitous in natural ecosystems. They are crucial in maintaining plant communities by enhancing uptake of nutrient and water as well as acting as major ... -
Isolation and Characterization of Novel Bacteriophages Against Multidrug Resistant Enterobacter Cloacae as Alternatives to Antibiotics
(University of Nairobi, 2022)Enterobacter cloacae is a significant nosocomial pathogen, causing bacteremia and infections of the lower respiratory tract, urinary tract, and intra-abdominal cavity. Acquisition of antibiotic resistant genes due to ... -
Characterization of an Alkaline Amylase and a Pectinase From Alkaliphilic Bacillus Halodurans Lbw 5117 Isolated From Lake Bogoria in Kenya and Demonstration of Their Applications in Bio-processing Woven Cotton
(University of Nairobi, 2023)De-sizing is a key textile wet processing step that is carried out on sized woven cotton to remove the starch impurity from cloth. On the other hand, scouring is done on de-sized fabrics to remove the natural pectins and ... -
Predict Spread of Infectious Diseases Across Regions via Transport Systems in Kenya Using Machine Learning Models: Case of Truck Crews and Bus Passenger Movement
(University of Nairobi, 2023)The recurrent outbreak of infectious diseases has led to a global health catastrophe with substantial socioeconomic interruptions, morbidity, and deaths. The coronavirus pandemic began in December 2019 in Wuhan, China, and ... -
Digitalization and Operational Performance of Insurance Firms in Kenya
(University of Nairobi, 2023)Digitalization has transformed firms and helped them attain higher levels of competitive advantage due to enhanced service delivery and reduction of waste and operation related costs. This study was aimed at determining ... -
Risk Factors and Molecular Epidemiology of Foot and Mouth Disease Virus and Other Animal Pathogens Infecting African Buffaloes, Cattle and Goats in Eastern Rwanda.
(University of Nairobi, 2023)Foot-and-Mouth Disease Virus (FMDV) is a positive-sense RNA virus of the family of the picornaviridæ causing the Foot-and-Mouth Disease (FMD). Although FMD is endemic in Rwanda, there are information gaps with regards to ...