School of Biological and Physical Science: Recent submissions
Now showing items 41-60 of 949
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Antimicrobial Resistance in a Changing Climatic Context: An Emerging Public Health Threat in Africa
(Springer International Publishing, 2023-10-31)Although there are improvements in human survival as a result of the accessibility of powerful antibiotics, this gain is approaching its limit due to the changing climate and development of resistance to therapeutic agents ... -
The cost of beauty: Perspectives of salon workers in Kisumu City, Kenya
(Public Library of Science, 2023-11-06)Despite occupational exposure to hazardous chemicals in cosmetics and personal care products (PCPs), salon workers receive minimal formal protections. Consequently, most salon workers rely on personal safeguards. However, ... -
Aluminium Application and Rhizobia Inoculation Effects on Growth, Yield and Nutrients Uptake of Three Kenyan Soy Bean Genotypes
(Asian Journal of Research in Crop Science, 2023-10-09)Soy bean (Glycine max L.) grains are important legume crops commonly grown in Kenya. Soy bean genotypes are grown in western Kenyan soils that are highly saturated with aluminium ions. Aluminium toxicity mainly limits ... -
Phytoconstituents with contact toxicity and antifeedant activities from Englerodaphne subcordata (Meisn) Engl.(Thymelaeaceae) crude leaf extracts
(Islamic Azad University, Shahrood Branch Press, 2023-09-01)Englerodaphne subcordata (Meisn) Engl. (Thymelaeaceae) is a shrub that grows in dry evergreen forests, acacia woodlands and wooded grasslands. Phytochemical evaluation of the ethyl acetate and methanol crude leaf extracts ... -
The correlation between equatorial electrojet and equatorial ionisation anomaly over the East African region during the solar minimum period 2008-2009
(East African Journal of Science, Technology and Innovation, 2023-09-29)This study analyzed the correlation between the equatorial electrojet (EEJ) and the occurrence of equatorial ionisation anomaly (EIA) over the East African region. The study was carried out during both geomagnetically ... -
Thermal properties and pressure-dependent elastic constants of cadmium stannate as a substrate for MEMS: An ab initio study
(North-Holland, 2023-02-15)Silicon carbide (SiC) has become a suitable replacement to silicon as a substrate for manufacture of microelectromechanical systems (MEMS) that operate in harsh environmental conditions, owing to its better mechanical ... -
Biomolecular interactions of 1, 3-bis (2-arylimino) isoindolate-based palladium (II) complexes: Substitution kinetics, DNA/protein-binding, and molecular docking approaches
(Elsevier, 2023-08-22)A series of 1,3-bis(2-arylimino)isoindoline Pd(II) complexes core viz.; Chlorido(1,3-bis(2-pyridylimino)isoindoline)palladium(II), Pd1, Chlorido(1,3-bis(4-methyl-2-pyridylimino)isoindoline)palladium(II), Pd2, Chlorido(1, ... -
Soil Microbial Biomass, Microbial Population and Diversity in MaizeBanana Based Agroforestry System in Kisii County, Kenya
(2023-08-04)Soil microbes are involved in many important ecosystem processes including nutrient acquisition, biogeochemical cycling and soil aggregation. Soil microbial diversity affects the soil belowground dynamics and fate of ... -
Thermal properties and pressure-dependent elastic constants of cadmium stannate as a substrate for MEMS: An ab initio study
(Elsevier, 2023-02-15)Silicon carbide (SiC) has become a suitable replacement to silicon as a substrate for manufacture of microelectromechanical systems (MEMS) that operate in harsh environmental conditions, owing to its better mechanical ... -
Thermal properties and pressure-dependent elastic constants of cadmium stannate as a substrate for MEMS: An ab initio study
(Elsevier, 2023)Silicon carbide (SiC) has become a suitable replacement to silicon as a substrate for manufacture of microelectromechanical systems (MEMS) that operate in harsh environmental conditions, owing to its better mechanical ... -
Ultrasonic propagation in fractal porous material having rigid frame
(X ECCOMAS Thematic Conference on Smart Structures and Materials, 2023-07-03)This paper discusses the impact of the fractal structure of porous materials on wave behavior. In addition to commonly used parameters such as porosity, tortuosity, viscous and thermal characteristic lengths, a fractal ... -
Acoustics of Compressed Earth Blocks Bound Using Sugarcane Bagasse Ash and Water Hyacinth Ash
(MDPI, 2023-07-15)Mechanical compaction is often used to densify building earth blocks by reducing the void between the particles. Compacted stabilised earth involves a binder, which holds the particles of the materials together. The ... -
Mechanical Properties of Al–Mg–Si Alloys (6xxx Series): A DFT-Based Study
(MDPI, 2023-09-13)Al–Mg–Si alloys are used in aircraft, train, and car manufacturing industries due to their advantages, which include non-corrosivity, low density, relatively low cost, high thermal and electrical conductivity, formability, ... -
Exploring the Relationship between Stochastic Events and Patterns of International Tourism in Kenya
(AJP, 2023-08-02)The purpose of this research was to investigate the fluctuations in international tourist arrivals in Kenya and identify the underlying factors contributing to these trends. The study aimed to gain a deeper understanding ... -
Sesquiterpenoids with antiplasmodial activities from Warburgia stuhlmanii Engl. root bark
(Islamic Azad University, Shahrood Branch Press, 2023-06-01)Phytochemical investigation of Warburgia stuhlmannii ethyl acetate root extract led to isolation of ten known compounds identified as polygodial (1), cinnamolide (2), warburganal (3), bemadienolide (4), ugandensidial (5), ... -
Agricultural pesticides do not suppress infection of Biomphalaria (Gastropoda) by Schistosoma mansoni (Trematoda)
(Cold spring harbor laboratory, 2023-02-15)Schistosomiasis is a neglected tropical disease caused by trematodes of the genus Schistosoma. The pathogen is transmitted via freshwater snails. These snails indirectly benefit from agricultural pesticides which affect ... -
Robust Arduino controlled spin coater using a novel and simple gravity chuck design
(Elsevier, 2023-06)Spin coaters offer an invaluable method of thin film fabrication. Various implementations, both proprietary and open-source exist, offering vacuum and gravity samples chucks. These implementations vary in their reliability, ... -
Some members of genus Cassia (Senna): Their Ethnobotany, Potency and Prospects of Drug discovery
(mansapublishers, 2023-04-04)Plants from Cassia species have been used traditionally all over the world in the treatment of various diseases. Various compounds with diverse bioactivities have been isolated from the Cassia species. However, this has ... -
Removal of endosulfan from water by municipal waste incineration fly ash-based geopolymers: Adsorption kinetics, isotherms, and thermodynamics
(ResearchGate, 2023-03-23)Alkali-activated municipal waste incineration fly ash (MWFA)-based geopolymers (GPA, GPB, and GPC) were synthesized under different sodium silicate to sodium hydroxide (SS/SH) ratios. The geopolymers were applied in the ... -
Quantification of methane emitted by ruminants: A review of methods
(Oxford University Press, 2022-07)The contribution of greenhouse gas (GHG) emissions from ruminant production systems varies between countries and between regions within individual countries. The appropriate quantification of GHG emissions, specifically ...
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