School of Pure, Applied and Health Sciences (JA): Recent submissions
Now showing items 41-60 of 260
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Effects of a Healthy Diet plus Peanut Consumption on the Fasting Lipid Profile of HIV-infected Adults in Nyeri County, Kenya: A Randomized Crossover Study
(J Nutr Fast Health. 2021; 9(3): 212-220., 2021)Introduction: Dyslipidemia is a key modifiable cardiovascular risk factor and a major clinical feature in the patients infected with the human immunodeficiency virus (HIV) in the current era of highly active antiretroviral ... -
Effect of level of coffee production on the performance of coffee cooperative societies in Kenya
(European Journal of Business and Strategic Management Vol.3, Issue 2 No.1, pp 1 - 14, 2018, 2018)Purpose: To evaluate the effect of level of coffee production on the performance of coffee cooperative societies in Kenya. Methodology: This study adopted a descriptive research design. The population of the study will ... -
Coffee phytochemicals and post-harvest handling—A complex and delicate balance
(Journal of Food Composition and Analysis 102 (2021) 103995, 2021)The balance between coffee phytochemicals and post-harvest handling is complex and delicate since these compounds are affected either negatively or positively. Studies have shown positive health effects arising from regular ... -
Cardiovascular Disease Risk Factors in HIVInfected Adults in Nyeri County, Kenya
(International Journal of Health Sciences and Research Vol.11; Issue: 5; May 2021, 2021)Cardiovascular diseases (CVD) is currently second, after cancer, as the most frequent cause of death among HIV-positive subjects in areas of the world where Highly active anti-retroviral therapy (HAART) is widely available. ... -
Barriers to the Implementation of Food Safety and Hygiene Principles (HACCP) in TVET and University Hospitality Schools in Kenya
(International Journal of Scientific Research and Management (IJSRM) ||Volume||06||Issue||07||Pages||EM-2018-544-556||2018||, 2018)The purpose of this study was to assess the barriers to food safety and hygiene principles (HACCP) in TIVET and University hospital schools in Kenya. A total of 671 respondents participated in the study (Comprising 249 ... -
Assessment of the Capacity of TVET and University Hospitality Schools in offering Food Safety and Hygiene Training in Kenya
(International Journal of Scientific Research and Management (IJSRM) ||Volume||06||Issue||06||Pages||EM-2018-467-480||2018||, 2018)The purpose of this study was to assess the capacity of TIVET and University hospital schools in offering food safety and hygiene training in Kenya. The major areas of focus were the general availability of basic equipment, ... -
Termite species and functional groups in maize intercrop systems in Machakos County, Kenya
(Elsevier, 2022-03)Termites are important ecosystem engineers in the tropics but certain termite species cause damage to economically important crops. In Africa, termites cause >50% damage in maize. This study evaluated the effect of ... -
A Review of Insecticidal Plant Extractsand Compoundsfor Stored Maize Protection
(IOSR Journal of Applied Chemistry (IOSR-JAC) Volume 14, Issue 10 Ser. I (October 2021), PP 23-37, 2021)Insect pests cause significant losses to maize grains both in the fieldsand in storage. Maize weevil (Sitophilus zeamais) and larger grain borer (Prostephanus truncatus) are among the most destructive pests of maize in ... -
Insecticidal Drimane Sesquiterpenes from Warburgia ugandensis against Maize Pests
(2021)Sitophilus zeamais and Prostephanus truncatus, the destructive pests of maize in Africa, cause extensive tunneling in maize grain leading to conversion of maize grain into flour within a very short time. Small-scale farmers ... -
Analgesic Activity of Conyza Floribunda Extracts in Swiss Albino Mice
(2021-06-30)Traditional medicine still plays an important role in managing infections especially in Africa. Extracts of Conyza floribunda Kunth are used to treat sore throat, ringworm and other skin related infections, toothache and ... -
Threats of Land Use Changes on Wetland and Water Areas of Murang’a County, Kenya
(2021-06)Globally, wetlands have declined in area by over 50% since 1900, due to changes in land-use patterns, converting them into farmlands, human settlements, urban centers, and infrastructure development. Land-use changes also ... -
Modeling Infant Mortality Risk Factors using Logistic Regression Model and Spatial Analysis in Kenya
(Asian Journal of Probability and Statistics, 2021)Globally, infant mortality is used as an important indicator for healthcare status hence an important tool for evaluation and planning of public health strategies. Despite of numerous interventions by governments aimed at ... -
A Review of Biological Activities and Phytochemistry of Rhus Species
(2021-04)The genus Rhus (family: Anacardiaceae, order: Sapindales) consists of more than 250 species distributed in the tropics, subtropics and temperate regions. Traditionally, extracts and products from Rhus species are regarded ... -
The effect of habitat type on population distribution and abundance of Rothschilds Giraffe (Giraffa camelopardalis rothschildi) in Ruma National Park and Mwea National Reserve in Kenya
(2021-05)The Rothschilds giraffe is currently listed as vulnerable by the International Union for Conservation of Nature (IUCN). This is attributed to the loss of habitat due to human activities. This study examined the effect of ... -
Effects of selenium concentration in the precursor solution on the material properties of cadmium selenide flower-like nanoparticles
(Springer, 2018-12)CdSe flower-like nanorods (NRs) were successfully synthesized by Sol–gel technique where a simple aqueous technique was applied. The effects of different selenium (Se) concentration in the precursor solution on the material ... -
Structural and optical properties of novel CdSe nanoparticles produced via a facile synthetic route: Studies on the effects of cadmium sources
(2019-04)We report on the successful synthesis of CdSe nanoparticles (NPs) via a facile aqueous approach. Investigation on the effects of various cadmium sources in the precursor solution on the CdSe NPs is discussed. The structural ... -
A comparison investigation of optical, structural and luminescence properties of CdOxTe1−x and CdTexSe1−x nanoparticles prepared by a simple one pot method
(Elsevier, 2018-04)We present L-cysteine capped CdOXTe1−X and CdTeXSe1−X nanoparticles (NPs) prepared in one pot. The as-prepared CdOXTe1−X NPs were found to have a hexagonal crystal structure of CdTe with a cubic phase of CdO. There was, ... -
Effect of growth temperature on the structural, optical and luminescence properties of cadmium telluride nanoparticles
(2018-01)Cadmium telluride (CdTe) has been successfully prepared by a simple wet chemical process at different reaction temperatures. Temperature is one parameter that thermodynamically plays an important role in controlling the ... -
Effects of precursor pH on structural and optical properties of CdTe quantum dots by wet chemical route
(2018-07)l -cysteine capped CdTe quantum dots (QDs) were synthesized in aqueous solution in open air. In order to improve the crystallinity of the CdTe QDs, synthesis conditions were optimized. Effects of different solution pH were ... -
Structural, optical and luminescence properties of CdTe quantum dots: Investigation on the effect of capping ligand ratio
(IOP Publishing Ltd, 2019-03)Well-crystallized cadmium telluride quantum dots (CdTe QDs) were fabricated by a simple wet chemical process under open air condition at a growth temperature of 100 °C. Various amounts of the capping ligands were used in ...