Journal Articles: Recent submissions
Now showing items 1101-1120 of 29939
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Application of an Organic Plant-derived Binder in the Fabrication of Diatomaceous Earth Waste- Based Membranes for Water Purification Systems
(University of Nairobi, 2020)This work reports on the use of diatomaceous earth (DE) waste and organic binder derived from Corchorus olitorius, locally known as “Mrenda” in the design of an efficient water filtration membranes. Charcoal powder was ... -
Consumption patterns and characteristics of free-range chicken consumers in Embakasi Sub-County, Nairobi County, Kenya
(University of Nairobi, 2021)Consumption of free range chicken is on the increase in Kenya and more so in urban set up with sources being Peri-urban or rural areas. Limited information exists on consumption pattern of free range chicken among peri-urban ... -
Optoelectronic Properties of F-co-doped PTO Thin Films Deposited by Spray Pyrolysis
(University of Nairobi, 2013)F-co-doped Palladium Tin Oxide (PTO) thin films were pyrolytically deposited on glass substrate at 4500 C using an alcoholic precursor solution consisting of Tin (IV) Chloride (SnCl4.5H2O), Palladium Chloride (PdCl2) ... -
Understanding the role of informal pit emptiers in sanitation in Nairobi through case studies in Mukuru and Kibera settlements
(University of Nairobi, 2021)Achieving universal sanitation in informal settlements will depend on improved onsite sanitation, as sewer systems are unlikely to be viable solutions due to technical and political constraints. In Nairobi, Kenya, 60% ... -
Essence of Water Governance for SMEs for Sustainable Consumption in Nairobi, Kenya
(University of Nairobi, 2021-05)Water governance is mostly faced with multifaceted uncertainties owing to rapid demographic changes, urbanization and climate change. Building on recent studies on water governance in urban areas, this study aims to shed ... -
Vendor Characteristics, Practices, Microbial Contamination of Fish and Oil Quality in the Street Vending of Deep-fried Fish in Peri-urban Nairobi, Kenya: Case of Kasarani Sub-county
(University of Nairobi, 2021)Aim: The main objective of the study is to assess the vendor and environmental hygiene, microbial contamination of deep-fried tilapia sold, and the quality of the oil used in the streets of Kasarani sub-county Study ... -
Acrylamide Intake in Nairobi Kenya
(University of Nairobi, 2021)Among the safety concerns in fried potato products are the levels of acrylamide. High intake of acrylamide has been linked to carcinogenicity in animals and it remains a suspect human carcinogen. The current study was ... -
Diversity of scale insects (Hemiptera: Coccomorpha) attacking citrus trees in Machakos, Makueni, Kilifi and Kwale Counties, Kenya
(University of Nairobi, 2021-06)Citrus farming is a major source of revenue for large and small-scale farmers in Kenya. Citrus production is confronted with threats from pests and diseases. Surveys of citrus farms in Kilifi, Kwale, Machakos and Makueni ... -
Predictors of Postnatal Depression in the Slums Nairobi, Kenya: A Cross-Sectional Study
(University of Nairobi, 2021)Background Postnatal depression (PND) is a universal mental health problem that prevents mothers' optimal existence and mothering. Although research has shown high PND prevalence rates in Africa, including Kenya, ... -
Top Management Team Characteristics and Sustainable Competitive Advantage of Chinese Multinational Corporations in Kenya: An Empirical Investigation
(University of Nairobi, 2021)The paper is an empirical investigation on top management team characteristics and sustainable competitive advantage of Chinese Multinational Corporations in Kenya. The paper used team management team characteristics as ... -
Surface Photovoltage Study of Surface Defects on Co-Doped TiO2 Thin Films Deposited by Spray Pyrolysis
(University of Nairobi, 2016)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 ... -
Electronic Properties of Catechol Adsorbed on Rutile TiO2 and SnO2 (110) Surfaces: A Density Functional Theory Study
(University of Nairobi, 2016)The incorporation of organic molecules such as catechol onto TiO2 substrate to enhance TiO2 photocatalytic activity has led to improved Dye Sensitized Solar Cells (DSSCs) efficiency. Nonetheless, it still remains low for ... -
Compositional analysis and optical properties of Co doped TiO2 thin films fabricated by spray pyrolysis method for dielectric and photocatalytic applications
(University of Nairobi, 2017)Cobalt doped TiO2 thin films (CTF) deposited by spray pyrolysis has been studied. The compositional analysis has been done using RBS method, while optical spectroscopy has been done by measuring the transmittance and ... -
Food Safety Knowledge and Hygienic Practices among Vendors of Vegetable Salads in Pipeline Ward of Nairobi County, Kenya
(University of Nairobi, 2021)Street sold foods are a source of inexpensive, nutritious food for many people living both in the urban and rural areas. It is also a major source of income for many people, particularly women by providing self-employment ... -
Non-Examined Secondary School Curriculum and Quality Teacher Education: Case of University of Nairobi Students on Teaching Practice in Meru
(University of Nairobi, 2021)Student teachers in teaching practice find themselves in a scenario whereby they are examined based only on their pedagogical competencies. This paper focuses on the student teachers’ quality in relation to the non-examined ... -
Acceptance of E-learning as a Mode of Study among University of Nairobi Students Amidst COVID -19 Pandemic
(University of Nairobi, 2021)The COVID-19 pandemic in 2020 has aroused interest in the education sector to explore full potential of online learning mode of study. This has been catapulted by the unabated spread of the Corona ... -
Indigenous Knowledge on the Uses of African Nightshades Solanum Nigram L. Species Among Three Kenyan Communities
(University of Nairobi, 2017)In Kenya, the African nightshades (ANS) (Solanum nigram L.) are among the most widely distributed and consumed traditional vegetables. The current study was conducted to better understand the cultural variability in the ... -
Growth And Yield Of Sweet Potato (Ipomoea Batatas L.) Monocrops Versus Intercrops In The Semi-arid Katumani, Kenya † [crecimiento Y Rendimiento De Monocultivos De Patata Dulce (Ipomoea Batatas L.) Versus Intercultivos En El Semiarido Katumani, Kenia]
(University of Nairobi, 2021-06)Background: Sweet potato producers in Kenya practice either sole cropping of or relay cropping and rarely do intercropping which aims at maximizing on time and space. Objective. To assess the relative performance of sweet ... -
Preparation and Characterization of Indium and Gallium doped Transparent ZnO films for Solar cell Applications
(University of Nairobi, 2018)In this work, the effect of indium (In) and gallium (Ga) dopants on the structural, optical and electrical properties of ZnO thin films was studied. ZnO thin films were deposited on glass substrates at 400°C using the ... -
Utilisation of Vignettes Instructional Method and Ethical Sensitivity in Decision-Making among Business Studies Teacher Trainees at the University of Nairobi, Kenya
(University of Nairobi, 2021)Vignettes have been applied in many academic disciplines over time, as an essential element of experiential learning. At the Department of Educational Communication and Technology, adoption of vignettes ...
