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Now showing items 51-60 of 597
The relevance of fog and dew precipitation to succulent plant hydrology in an arid South African ecosystem
(2009)
Fog and dew interception and utilization by plant canopies remains one of the least
considered aspects of vegetation studies at any scale yet the few studies that have been conducted point to their considerable influence ...
The effect of nicotine and prostaglandin A2 on the lung cancer cell line NCI-H157
(2009)
Lung cancer is the most common fatal cancer in terms of both incidence and mortality in the world. The most important cause of lung cancer is exposure to
tobacco smoke through active or passive smoking. Nicotine which is ...
Comparison of the sutherlandioside B levels in two commercially available Sutherlandia frutescence preparations and the effect of elevated temperature and humidity on these levels
(University of the Western Cape, 2009)
Sutherlandia frutescens (tribe Galegeae, Fabaceae), is a popular medicinal plant traditionally used in South Africa. In 2000, a company called Phyto Nova (Pty) Ltd. initiated large-scale cultivation and contract manufacturing ...
Hydrothermal synthesis and optimisation of zeolite Na-P1 from South African coal fly ash
(2009)
Millions of tonnes of fly ash are generated worldwide every year to satisfy the large demand for energy. Management of this fly ash has been a concern and various approaches for its beneficial use have been investigated. ...
The relationship between male genital tract infection, oxidative status in the ejaculate, and apoptotic markers in human spermatozoa
(2009)
Aim: Leukocytes are the major source of reactive oxygen species (ROS) in the
ejaculate and contribute to up to 30% of male infertility. ROS have been associated
with markers of apoptosis such as sperm DNA damage, ...
An in vitro study on the immunotoxicity of sewage effluents discharged into the Eerste River-Kuils river water catchment system
(2008)
"The aim of the study was to use in vitro human whole blood cultures to screen the water samples collected from the Eerste/Plankenbrug river system for cytotoxicity and inflammatory activity and for the first time investigate ...
Hydraulic properties of the vadose zone at two typical sites in the Western Cape for the assessment of groundwater vulnerability to pollution
(University of the Western Cape, 2007)
Aquifer vulnerability assessment is increasingly becoming a very significant basis in order to fulfill the water demands in South Africa. Knowledge of soil hydraulic properties that consists of the soil water retention and ...
The determination of boron using 11B(p, α)8Be nuclear reaction
(UWC, 2008)
Determination of trace quantities of boron is required in various studies of materials and in geology. Using 11B(p, α)8Be nuclear reaction with focused proton beam of 670 keV energy is one of the few microanalytical ...
Socio-demographic characteristics and HIV testing in Omdurman National Voluntary Counseling and Testing (VCT) in Sudan by Reem Mutwali
(UWC, 2008)
The identification of the association between socio-demographic characteristics and HIV was found to be a useful tool in determining the important risk factors in Sudan. In this study, the relationship(s) between HIV test ...
A digital identity management system
(UWC, 2007)
The recent years have seen an increase in the number of users accessing online services using communication devices such as computers, mobile phones and cards based credentials such as credit cards. This has prompted most ...