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Now showing items 11-20 of 43
Analysis of the TCR Repertoire in HIV-Exposed but Uninfected Infants
(University of Nairobi, 2019)
Maternal human immunodeficiency virus (HIV) infection has been shown to leave profound and lasting impacts on the HIV-exposed uninfected (HEU) infant, including increased mortality and morbidity, immunological changes, and ...
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 ...
Preparedness of Secondary School Management in the Planning,Supervision, Monitoring and Evaluation of School Projects in Gucha District, Kenya
(UON, 2014)
Infrastructure developments in schools are a major factor towards realization of the Kenya’s vision 2030.
Different stakeholders sponsor various school constructions; building of class rooms, school halls, laboratories, ...
Socio-economic and Institutional Factors Influencing Uptake of Improved Sorghum Technologies in Embu, Kenya
(University of Nairobi, 2019)
Farmers’ socio-economic status and institutional support play a
complementary role in influencing adoption of various improved
agricultural value chain technologies. Despite considerable
research efforts towards improving ...
Effect of A Natural Extract Toothpaste on the Bacteria Colonies of Initial Dental Plaque Colonizers
(University of Nairobi, 2017)
To determine the effect of a natural extract toothpaste Parodontax®
on the numbers of initial dental
plaque colonizers.
Methods: AQuasi- clinical trial type of study was conducted on 48 participants (age between 18 and ...
Effects of Substrate Radial-Position Relative to the Sputter-Gun Axis on the Electrical, Optical and Structural Properties of ZnO Thin Films Deposited by Reactive Direct Current Magnetron Sputtering
(University of Nairobi, 2018)
ZnO thin films were deposited using reactive direct current (dc) magnetron sputtering on glass
substrates placed at seven variable radial positions (-1, 0, 1, 2, 3, 4 and 5 cm) relative to the
sputter-gun (target) axis. ...
Perpendicular magnetic anisotropy in Mn2VIn (001) films: An ab initio study
(University of Nairobi, 2017)
First principles study of the magnetic anisotropy of Mn2VIn (001) films show perpendicular magnetic anisotropy (PMA), which increases as a function of the thickness
of the film. Density functional theory (DFT) as implemented ...
Compositional and Thickness Effects on the Optical Properties of Zinc– Doped Selenium–Antimony Thin Films
(University of Nairobi, 2018)
Chalcogenide system of antimony (Sb)-selenium (Se)-zinc (Zn) system is a promising semiconductor for phase change memory devices due to its thermal stability and low power consumption. The study investigated the effect of ...
Oral Health Status among 12-YearOld Children in a Rural Kenyan Community
(University of Nairobi, 2014)
Objectives: To determine the oral health status among schoolchildren in a rural Kenyan community and examine the relationship between oral symptoms and perceived general health.
Participants: 150 pupils, aged 12 years, ...
Determination of heavy metals and nutrients in rivers Naka and Irigu, Chuka using aas uv/visible spectrophotometry
(University of Nairobi, 2014)
Levels of concentration of heavy metals
(lead, cadmium, arsenic and mercury) and nutrients
in
rivers
Naka and Irigu
were determined in the first three months (January, February and March
,
2013
) and variation
downstream ...