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Now showing items 6450-6469 of 8878
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Polydopamine coated platinum catalysts to improve fuel cells durability
(University of Western Cape, 2022)Polymer electrolyte membrane fuel cells (PEMFC) are in the forefront of energy production and have drawn a great deal of attention in both fundamental and application in recent years. It is a promising energy system used ... -
Polyethylene glycol (PEG) induced water stress alters the physiological and molecular responses of chia plants
(The University of the Western Cape, 2017)Water deficit is known to be one of the most detrimental environmental factors to affect crop production and growth in South Africa. This factor has become more apparent with increasing cases of drought in the country. -
Polymer Coating of an Optimized Nano Lipid Carrier System of Harpagophytum Procumbens Extract for Oral Delivery
(University of the Western Cape, 2017)Harpagophytum procumbens is a traditional medicinal plant widely used in South African traditional healthcare to treat a range of ailments like degenerative rheumatoid arthritis, osteoarthritis, tendonitis, kidney inflammation, ... -
Polymer/nano-organic composite proton exchange membranes for direct methanol fuel cell application
(University of the Western Cape, 2005)The proton exchange membrane is one key component of direct methanol fuel cells, which has double functions of conducting protons, separating fuels and oxidant. At present, the performance and price of sulfonic acid proton ... -
Polymeric tyrosinase nanobiosensor system for the determination of endocrine disrupting bisphenol A
(University of the Western Cape, 2011)The main objective of this work was to develop simple and sensitive electrochemical sensors for the detection of bisphenol A. To investigate the electrochemical behavior of BPA on a bare glassy carbon electrode. To apply ... -
Polymeric-bimetallic oxide nanoalloy for the construction of photovoltaic cells
(University of the Western Cape, 2014)Research in renewable energy has become a focal point as a solution to the energy crisis. One of renewable forms of energy is solar energy, with the main challenge in the development of the solar cells being the high cost. ... -
Polyphenolic, tannin and chemical compositional changes in leaves of sub-tropical grasses and fynbos shrubs at elevated atmospheric CO2 concentrations
(University of the Western Cape, 2002)The effects of elevated atmospheric CO2 concentrations on plant polyphenolic concentration, tannin concentration and chemical composition were investigated in leaves of sub-tropical grass species and fynbos shrubs. The ... -
Polyphenolic, tannin and chemical compositional changes in leaves of sub-tropical grasses and fynbos shrubs at elevated atmospheric CO2 concentrations
(University of the Western Cape, 2002)The effects of elevated atmospheric CO2 concentrations on plant polyphenolic concentration, tannin concentration and chemical composition were investigated in leaves of sub-tropical grass species and fynbos shrubs. The ... -
Polypyrrole supports for direct alcohol fuel cells.
(University of Western Cape, 2021)Anode catalysts are one of the key components of direct alcohol fuel cells (DAFCs). They play a huge role in the alcohol oxidation reaction (AOR) that occurs on the anode side. Palladium (Pd) supported on carbon material ... -
Polysulfone nanocomposites for electrochemical screening of antibiotic residues
(University of the Western Cape, 2017)Antibiotics are defined as any class of organic molecule that kills or inhibits microbes by specific interactions with bacterial targets. Antibiotics may be classified based on bacterial spectrum (broad versus narrow), ... -
Popular histories of independence and Ujamaa in Tanzania
(University of the Western Cape, 2008)It is now forty years after the start of African Socialism, or Ujamaa, in Tanzania. This study examines to what extent Tanzanians still tell their national history in ways which feature the important themes of social change ... -
Popular histories of independence and Ujamaa in Tanzania
(University of Western Cape, 2008)It is now forty years after the start of African Socialism, or Ujamaa, in Tanzania. This study examines to what extent Tanzanians still tell their national history in ways which feature the important themes of social ... -
Popular history in South Africa in the 198Os: the politics of production
(University of the Western Cape, 1994)Popular history, like indeed other histories, is informed by different ideas about the relationship between the past, the present and the political uses of history. However, a major problem in trying to explore these ideas ... -
Population and Physiological Studies of selected Geophytics Species of Lowland Coastal Fynbos in the Southwestern Cape
(University of the Western Cape, 1990)Population and physiological studies were conducted in coastal fynbos in the South-western Cape. Minor ecophysiological studies were also conducted such as the soil moisture content and pH. Two species, viz. Haemanthus ... -
Population pharmacokinetics of terizidone and cycloserine in patients with drugresistant tuberculosis
(University of the Western Cape, 2019)Introduction: Drug-resistant tuberculosis remains a major world health problem and one of the leading cause of death worldwide. Despite adequate adherence to antituberculosis drugs by patients, the emergence of drug-resistance ... -
Population structure and demographics in Nigerian populations utilizing Y-chromosome markers
(University of the Western Cape, 2014)Nigeria is peopled by ethnically and linguistically diverse populations of which little were known until the last few millennial. The absence of major natural geographical barrier increases the possibility of the populations ... -
Pore pressure prediction and direct hydrocarbon indicator: insight from the southern pletmos basin, offshore South Africa
(University of the Western Cape, 2014)An accurate prediction of pore pressure is an essential in reducing the risk involved in a well or field life cycle. This has formed an integral part of routine work for exploration, development and exploitation team in ... -
Pore pressure prediction: a case study of sandstone reservoirs, Bredasdorp basin, South Africa
(University of the Western Cape, 2014)The Bredasdorp basin is situated off the south coast of the Republic of South Africa, southeast of Cape Town and west-south-west of Port Elizabeth. It covers approximately 18,000 sq. km beneath the Indian Ocean along the ... -
Porosity and permeability distribution in the deep marine play of the central Bredasdorp Basin, Block 9, offshore South Africa
(University of the Western Cape, 2006)This study described porosity and permeability distribution in the deep marine play of the central Bredasdorp Basin, Block 9, offshore South Africa using methods that include thin section petrography, X-ray diffraction, ...