Browsing Journal Articles by Title
Now showing items 29864-29883 of 29885
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Zero tillage.
(University of Nairobi, 1975)The effects of different cultivation systems on soil OM content, soil erosion, soil moisture and cover crops are reviewed. It was concluded that although minimum cultivation has advantages over conventional systems in soil ... -
Zhang’s second order traffic flow model and its application to the Kisii kisumu highway within Kisii county
(University of Nairobi, 2015-04)Most highways experience traffic jams as a result of various reasons and hence need for a practical solution. Traffic flow m odels play an important role in both today’s ... -
Zidovudine to prevent mother-to-infant HIV transmission in developing countries: any questions?
(University of NairobiCollege of Health Sciences,University of Nairobi, 1998-09) -
Zika Virus Circulates at Low Levels in Western and Coastal Kenya
(University of Nairobi, 2020)Background: Zika virus (ZIKV) was discovered over 70 years ago in East Africa, but little is known about its circulation and pathogenesis there. Methods: We screened 327 plasma samples collected 2-12 months after febrile ... -
Zinc and copper content of foods used in vegetarian diets.
(College of Health Sciences, University of Nairobi, 1980)The zinc and copper content of seventy-four foods was determined by atomic absorption spectrophotometry. Each of these foods was reported to have been consumed by practicing vegetarians. Legumes, seeds, nuts, whole grains, ... -
Zinc oxide photocatalytic decolourization of black tea (camellia sinensis) wastewater from processing factories in Kenya
(University of Nairobi, 2016)Decolourization of persistent brick-red colour of black tea processing wastewater was investigated. Wastewater samples were collected from three black tea processing factories in the western Kenya tea growing highlands and ... -
Zn sorption mechanisms onto sheathed Leptothrix Discophora and the impact of the nanoparticulate biogenic Mn oxide coating.
(Civil and Construction Engineering, University of Nairobi, 2009) -
ZnO nanoparticles induced exopolysaccharide production by B. subtilis strain JCT1 for arid soil applications.
(University of Nairobi, 2014-02)ZnO nanoparticle induced exopolysaccharide (EPS) production from Bacillus subtilis strain JCT1 (NCBI GenBank Accession No. JN194187) is a novel approach for arid soil applications. In the series of investigations, ... -
ZnO:Sn deposition by reactive evaporation: effects of doping on the electrical and optical properties
(University of Nairobi, 2013)Tin doped zinc oxide thin films have been deposited by reactive evaporation, the deposition has been done at various doping levels ranging from 1% to 8%. The optical properties have been characterized using UV-VIS-NIR ... -
Zoo Biology
(University of NairobiCollege of Agriculture and Veterinary Sciences, 1987) -
Zoonosis emergence linked to agricultural intensification and environmental change
(University of Nairobi, 2013)A systematic review was conducted by a multidisciplinary team to analyze qualitatively best available scientific evidence on the effect of agricultural intensification and environmental changes on the risk of zoonoses for ... -
Zoonotic Pathogen Seroprevalence in Cattle in a Wildlife-Livestock Interface, Kenya.
(University of Nairobi, 2019)A cross-sectional study was conducted to determine the seroprevalence of Brucella spp. and Leptospira spp. and risk factors of exposure in cattle in three zones with varying land use types and wildlife-livestock interactions. ... -
The 'α-synucleinopathy syndicate': multiple system atrophy and Parkinson's disease
(University of Nairobi, 2023)Multiple System Atrophy (MSA) and Parkinson's diseases (PD) are elite members of the α-synucleinopathy organization. Aberrant accumulations of the protein α-synuclein characterize them. A plethora of evidence indicates the ... -
αEβ7, α4β7 and α4β1 integrin contributions to T cell distribution in blood, cervix and rectal tissues: Potential implications for HIV transmission
(University of Nairobi, 2018)Cell surface expression of α4β7, α4β1 and αEβ7 integrins play a key role in T cell distribution. Understanding the contribution of integrins to the density and ratios of CD4+: CD4negT cell at the portals of entry for HIV ... -
δ13 Values of the Centrospermeae Species and Their Ecological Implications in the Semi Arid Conditions
(University Of Nairobi, 2008)δ13C values of the Centrospermeae species are presented. 69.5, 28.45, 1.25 and 0.8% of the total species are C3, C4, C3-C4 and CAM photosynthetic species. The δ13C values are species dependent. δ13C values for the C3 range ... -
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(2007)Background: Congenital heart disease (CHD) is a significant cause of death amongst infants. The timing of treatment in relation to the natural history of the disease correlates with the treatment outcome. Objectives: To ...