Browsing Gold Collection by Title
Now showing items 726-745 of 779
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A Surface Photovoltage Study of Surface Defects on Co-Doped TiO2 Thin Films Deposited by Spray Pyrolysis
(MDPI, 2016-07-22)Surface photovoltage (SPV) spectroscopy is a powerful tool for studying electronic defects on semiconductor surfaces, at interfaces, and in bulk for a wide range of materials. Undoped and Cobalt-doped TiO2 (CTO) thin films ... -
Surveillance of HIV-1 pol transmitted drug resistance in acutely and recently infected antiretroviral drug-naïve persons in rural western Kenya
(PLOS ONE, 2017-02-08)HIV-1 transmitted drug resistance (TDR) is of increasing public health concern in sub-Saharan Africa with the rollout of antiretroviral (ARV) therapy. Such data are, however, limited in Kenya, where HIV-1 drug resistance ... -
Surveillance, preparedness and challenges of home-based care for COVID-19 patients and health workers in western Kenya
(East African Medical Journal, 2022-10-25)Study Objective(s): The main study objective was to report on surveillance data from, assess the preparedness and challenges of home-based care for COVID-19 patients and hhealth workers in four Counties (Kakamega, Vihiga, ... -
Susceptibility Evaluation of Fall Armyworm (Spodoptera frugiperda) Infesting Maize in Kenya against a Range of Insecticides
(Journal of Toxicology, 2022-08-08)The fall armyworm, Spodoptera frugiperda (J. E. Smith), is a worldwide pest of gramineous crops and a major pest of corn. Kenya has, in the recent years, reported massive outbreaks of this pest causing huge economic losses ... -
Susceptibility Evaluation of Fall Armyworm (Spodoptera frugiperda) Infesting Maize in Kenya against a Range of Insecticides
(Journal of Taxicology, 2022-08-08)The fall armyworm, Spodoptera frugiperda (J. E. Smith), is a worldwide pest of gramineous crops and a major pest of corn. Kenya has, in the recent years, reported massive outbreaks of this pest causing huge economic losses ... -
Sustainable agriculture: Developing a common understanding for modernization of agriculture in Africa.
(African Journal of Food, Agriculture, Nutrition and Development, 2017-03-27)The concept of sustainability has become central to all sectors all over the world, from agriculture to environment to business, engineering and industrialization. The principle of sustainability is the same all over these ... -
Symbiotic Efficiency of Native Rhizobia Nodulating Common Bean (Phaseolus vulgaris L.) in Soils of Western Kenya.
(International Scholarly Research Notices, 2014-11-11)This study was conducted to determine the abundance and symbiotic efficiency of native rhizobia nodulating common bean in Kisumu and Kakamega, Kenya. Soil sampling was carried out in three farms that had been used for ... -
Synthesis of mesoporous akaganeite functionalized maize cob biochar for adsorptive abatement of carbamazepine: Kinetics, isotherms, and thermodynamics
(Cleaner Materials journal homepage: www.journals.elsevier.com/cleaner-materials https://doi.org/10.1016/j.clema.2022.100104 Received 16 March 2022; Received in revised form 6 June 2022; Accepted 12 June 2022, 2022-06-17)In this work, akaganeite (β-FeO(OH)) impregnated maize cob biochar (Fe-MCB) was prepared by direct hydrolysis, and its adsorptive potential was tested against aqueous solutions of carbamazepine (CBZ), an emerging contaminant. ... -
Synthesis of mesoporous akaganeite functionalized maize cob biochar for adsorptive abatement of carbamazepine: Kinetics, isotherms, and thermodynamics
(Cleaner Materials, 2022-07-17)In this work, akaganeite (β-FeO(OH)) impregnated maize cob biochar (Fe-MCB) was prepared by direct hydrolysis, and its adsorptive potential was tested against aqueous solutions of carbamazepine (CBZ), an emerging contaminant. ... -
Synthesis, Characterization, and Evaluation of the Remediation Activity of Cissus quadrangularis Zinc Oxide Nanoparticle-Activated Carbon Composite on Dieldrin in Aqueous Solution
(Journal of Nanotechnology, 2022-04-21)In this study, zinc oxide-activated carbon nanocomposite was used as the adsorbent for the remediation of dieldrin in aqueous media. Zinc oxide nanoparticles (ZNPs) were synthesized from Cissus quadrangularis (C. quadrangularis) ... -
Teacher Attitudes and Perceived Preparedness Towards Inclusive Education in Kenya: We Are Somewhat Okay and Kind of Prepared
(International Journal of Teacher Education and Professional Development, 2023-01-20)The effectiveness of inclusive instructional practices is influenced by teachers’ attitudes and sense of preparedness. This study investigated educators’ attitudes and perceived preparedness for inclusion. Participants ... -
TEMPORAL TRENDS OF HIV PREVALENCE IN SUB-SAHARAN AFRICA
(JP Journal of Biostatistics, 2023-08-04)Background. The HIV epidemic varies significantly across different groups in the SSA region, and complicates designing effective general interventions. We aim at uncovering temporal trends in HIV prevalence disaggregated ... -
Ten-year survival with analysis of gender difference, risk factors, and causes of death during 13 years of public antiretroviral therapy in rural Kenya
(Medicine, 2020-05-22)Evidence for why antiretroviral therapy (ART) outcomes differ by gender in developing countries has been inconclusive. In this first study to assess 10-year survival on ART in Kenya, our objective was to compare gender ... -
Therapeutic uses of stingless bee honey by traditional medicine practitioners in Baringo County, Kenya
(Journal of Pharmacognosy and Phytotherapy, 2022-12)African traditional medicine knowledge, skills and practices have often been passed verbally from the older generation to the younger generation. However, the current traditional medicine practitioners (TMPs) are rapidly ... -
Thermal properties and pressure-dependent elastic constants of cadmium stannate as a substrate for MEMS: An ab initio study
(Physica B: Condensed Matter, 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
(Physica B: Condensed Matter, 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 ... -
Thickness Dependence of Window Layer on CH3NH3PbI3-XClX Perovskite Solar Cel
(International Journal of Photoenergy, 2020-07-28)CH3NH3PbI3-xClx has been studied experimentally and has shown promising results for photovoltaic application. To enhance its performance, this study investigated the effect of varying thickness of FTO, TiO2, and CH3NH3PbI3-xClx ... -
THE TIPPING CONSEQUENCE ON HOSPITALITY’S RESTAURANT FOOD AND BEVERAGE SERVICE RESPONSIVENESS IN KISUMU COUNTY – KENYA
(Tourism & Hospitality Reviews, 2020-03)Purpose of study: The purpose of this study was to investigate the tipping consequence of restaurant food service responsiveness. Methodology: The study employed a descriptive survey approach within Kisumu County in ... -
Titanium, Zinc, Lead, Chromium, Cadmium, Cobalt and Copper Concentrations in Vegetables Produced using Wastewater in Urban and Peri-Urban Areas of Nairobi City County, Kenya
(Journal of Applied Science and Technology, 2021-03-02)Vegetables are rich sources of vitamins, minerals and fibres. Ingestion of vegetables contaminated with heavy metals is one of the main routes through which heavy metals enter the human body and may cause diseases. In this ... -
Tool for determining levels and classifying; host plant resistance, tolerance to stress, vigour and pathogen virulence in plants
(Scientific African, 2022-07)The global food security and plant resources levels are continuously under threat from climate change, environmental pollution, population pressure, co-evolving plant pests and pathogens. Currently, scientists across the ...