Browsing Journal Articles by Title
Now showing items 88-107 of 887
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Beneficiation of Iron in Thermal-Reduced Ilmenite by Magnetic Separation
(2013)Increasing demands for Iron in countries development, and lack of conventional reducing agents has resulted into sourcing of alternative ways of beneficiating the iron ore. This paper reports on the study that was done to ... -
Bioactive carbazole alkaloids from Alysicarpus ovalifolius (Schumach)
(CrossMark, 2015)Phytochemical and biological evaluation of the stem bark of Alysicarpus ovalifolius led to the isolation of three carbazole alkaloids identified as mohanimbine (1), koenimbine (2) and koenidine (3) along with quercetin ... -
Bioactive Constituents of Conyza floribunda
(Medwell Journals, 2010)The study describes the antibacterial and antifungal effects of both CH2Cl2 and MeOH crude extracts, collected fractions and pure isolates of Conzya floribunda. The antimicrobial activity tests were carried out using agar ... -
Biopesticidal Extractives and Compounds from Warburgia Ugandensis against Maize Weevil (Sitophilus zeamais)
(Bentham Science Publishers, 2015)Agricultural production is constrained by insect pests, which cause serious post-harvest losses of up to 43% in developing countries. Maize weevil (Sitophilus zeamais Motschulsky.) is one of the most destructive pests of ... -
The black-Scholes formula and the Greek parameters for a nonlinear Black-Scholes equation
(2016)We study the Greek (risk) parameters of a nonlinear Black-Scholes partial differential equation whose nonlinearity is as a result of transaction costs. These parameters are derived from the Black-Scholes formula of the ... -
Blockchain as a Solution of Information Security and Data Privacy Issues: Review
(2022-08)The growth of technology has seen development of smart devices that are connected to each other giving rise to device-mesh technology. This has given rise to many owners of these devices sharing data through various web ... -
Blood Pressure and Arterial Stiffness in Kenyan Adolescents With a+Thalassemia
(2017-03)Background-—Recent studies have discovered that a-globin is expressed in blood vessel walls where it plays a role in regulating vascular tone. We tested the hypothesis that blood pressure (BP) might differ between normal ... -
Blood Pressure and Arterial Stiffness in Kenyan Adolescents With the Sickle Cell Trait
(2017-05-22)The potential association between sickle cell trait (SCT) and increased arterial stiffness/blood pressure (BP) has not been evaluated in detail despite its association with stroke, sudden death, and renal disease. We ... -
Brine Shrimp Lethality Test of Soluble Proteis from Biomphalaria pfeifferi Snail as Preliminary for Vaccine Development for Schistosoma mansoni
(2015-06)The study tested for in vivo Brine Shrimp Lethality Test (BSLT) of soluble protein extracts from Biomphalaria pfeifferi snail. The proteins from foot and digestive gland were processed and their concentration determined ... -
Bulk Heterojunction Solar Cell with Nitrogen-Doped Carbon Nanotubes in the Active Layer: Effect of Nanocomposite Synthesis Technique on Photovoltaic Properties
(2015-05-08)Nanocomposites of poly(3-hexylthiophene) (P3HT) and nitrogen-doped carbon nanotubes (N-CNTs) have been synthesized by two methods; specifically, direct solution mixing and in situ polymerization. The nanocomposites were ... -
Can the TV makeover format of edutainment lead to widespread changes in farmer behaviour and influence innovation systems? Shamba Shape Up in Kenya
(2018-07)Edutainment, the combination of education with entertainment through various media such as television, radio, mobile phone applications and games, is increasingly being used as an approach to stimulate innovation and ... -
Capital Management Risk and Value of the Firm: Perspectives from Private Equity Financial Firms in Kenya
(International Journal of Business and Economic Sciences Applied Research, 2019)Purpose This study sought to explore the effect of capital management risk on value of the firm among private equity financial firms in Kenya. Design/methodology/approach Anchored on the agency theory and guided by ... -
Capital Structure of Kenyan Firms: What determines it?
(IISTE, 2014-01)The study sought to find what determines the capital structures of publicly quoted firms, unquoted firms and the small and medium enterprises (SMEs). More specifically, the study aimed to assess whether the size of the ... -
Capping Ligand Influence on the Structural, Optical and Luminescence Properties of CdTe Nanoparticles Prepared by a Simple Wet Chemical Process
(2019-03)The nature of the capping ligands used and the strength of their interactions with the surface atoms of the nanoparticles (NPs) impact greatly on the material properties and the stability of the resulting NPs. The structural ... -
Capture–recapture for estimating the size of the female sex worker population in three cities in Coˆ te d’Ivoire and in Kisumu, western Kenya
(2010-12)Objective To estimate the female sex worker population size in three cities in Coˆ te d’Ivoire and in Kisumu, Kenya. Methods Capture–recapture was used, calculating size estimates by first ‘tagging’ a number of individuals ... -
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. ... -
Career change intentions of eco-tourism and hospitality management University graduates
(International Research Journals, 2013-02)In the recent past, there has been an influx of hospitality management university graduate employees into non hospitality organizations in Kenya. However, the main causes of this career change have not been examined. This ... -
Career path determinants of Eco-tourism and Hospitality Management university graduates
(2013)There has been an increase in the number of hospitality management university graduates working in non hospitality organizations in Kenya. Despite this, studies have not been undertaken to investigate the factors that ... -
Celebrity Endorsement: Television Advertisements and Sports Gambling Behavior among University Students in Kenya
(2023-02)Purpose: To establish the influence of Television’s celebrity endorsement advertisement technique on sports gambling behaviour among the university students in Kenya. Methodology: This study employed mixed method design. ... -
Cellular responses against Schistosoma mansoni in immunized Balb/c mice with soluble proteins from intermediate host, Biomphalaria pfeifferi
(2012-10)Scores of millions of people around the world are infected by Schistosoma mansoni causing considerable morbidity, mortality and loss of productivity. Safe chemotherapeutic agents have been used though there are challenges ...