Browsing Department of Chemistry by Title
Now showing items 239-258 of 399
-
Nanostructured materials for sustainable next generation organic solar cells
(University of the Western Cape, 2022)Many researchers are conducting their studies that are centred on using solar energy to generate electricity due to the developing interest in solar energy. One of the most promising options to reduce the cost of ... -
Nanostructured polyamic acid electrocatalysts for reliable analytical reporting of sulphonamides as contaminants of emerging concern
(University of the Western Cape, 2019)Polyamic acid (PAA) nanostructured materials were successfully produced by electrochemical deposition and electrospinning using polyvinlypyrrolidone (PVP) as supporting polymer. Polyamic acid thin film and nanofibers were ... -
Nanostructured polypyrrole impedimetric sensors for anthropogenic organic pollutants
(University of the Western Cape, 2007)Polypyrrole composites of polyaromatic hydrocarbon sulphonic acids (β–naphthalene sulphonic acid (NSA) and 1, 2-napthaquinone-4-sulphonic acid (NQS)), as well as those of transition metal oxides (tungsten (VI) oxide (WO3) ... -
The nature of geochemical anomalies associated with the PGE mineralization in the Stella layered intrusion, North West province, South Africa
(University of the Western Cape, 2020)The redistribution patterns of trace elements related to ore mineralisation in the secondary environment are the foundation of regolith exploration geochemistry. Understanding the controls of these element patterns is ... -
Next generation bulk Heterojunction organic Photovoltaic and light emitting diode sytems of Novel Polycyclic Aromatic Hydrocarbon, Polyfluorenes and Polythiophenes
(University of the Western Cape, 2017)In these times of diminishing reserve of fossil fuel, the development of novel - green or renewable? technologies to meet the increasing worldwide demand for energy is of great importance. The sun is the largest carbon ... -
Novel 3-mercaptopropionic acid capped iridium selenide quantum dots modified electrochemical immunosensor for the detection of fish toxin, nodularin
(University of the Western Cape, 2012)A novel 3-mercaptopropionic acid capped iridium selenide quantum dots based label free impedimetric immunosensor was successfully constructed. The 3-mercaptopropionic acid capped iridium selenide quantum dots synthesized ... -
Novel adamantane derivatives as multifunctional neuroprotective agents
(University of the Western Cape, 2013)The pathology of neurodegenerative disorders involves multiple steps, and it is probably for this reason that targeting one particular step in a multi-step process has only yielded limited results. Nitric oxide (NO) is ... -
Novel aromatic dendritic-co-poly(3-hexylthiophene) composites for photovoltaic cell application
(University of Western Cape, 2021)Fossil fuels are part of fuels that are formed from natural processes and they are called non-renewable sources of energy. These include natural gas, coal and oil. They have been used for decades to produce energy globally. ... -
Novel Nanostructure Electrocatalysts for Oxygen Reduction and Hydrogen Evolution Reactions
(University of Western Cape, 2020)widespread use of fossil energy has been most convenient to the world, while they also cause environmental pollution and global warming. Therefore, it is necessary to develop clean and renewable energy sources, among which, ... -
Novel nanostructure electrocatalysts for oxygen reduction and hydrogen evolution reactions
(University of the Western Cape, 2020)The widespread use of fossil energy has been most convenient to the world, while they also cause environmental pollution and global warming. Therefore, it is necessary to develop clean and renewable energy sources, among ... -
Novel Nanostructure Electrocatalysts for Oxygen Reduction and Hydrogen Evolution Reactions
(University of the Western Cape, 2019)The widespread use of fossil energy has been most convenient to the world, while they also cause environmental pollution and global warming. Therefore, it is necessary to develop clean and renewable energy sources, among ... -
One-Dimensional nanostructured polymeric materials for solar cell applications
(University of the Western Cape, 2010)This work entails the preparation of various polyanilines with different morphologies and their application in photovoltaic solar cells. Zinc oxide (ZnO) with one-dimensional and flower-like morphology was also prepared ... -
Optical and electronic properties of methylammonium lead halide perovskite solar cells
(University of the Western Cape, 2017)Organic-inorganic hybrid perovskite solar cells have emerged as promising materials for next-generation photovoltaics with certified efficiency of 22.1%. Despite rapid developments, achieving precise control over the ... -
Optical and microarray silver-gold based sensors for the detection of e.coli 0157:h7 in seawater
(University of the Western Cape, 2021)Recently researchers reported that nanoparticles functionalised through chemical methods possess risks to the environment and to the human health since they use hazardous chemicals and produce toxic waste. The increasing ... -
Optimisation of a microfluidic device for the pre-concentration and size separation of cell free foetal DNA from maternal plasma by capillary electrophoresis
(University of the Western Cape, 2012)The discovery of cell free foetal DNA (cffDNA) in 1997 allows for the combination of accuracy as well as non-invasiveness for prenatal diagnosis. This non-invasive genetic test requires only a maternal blood sample from ... -
Optimisation of biodiesel production via different catalytic and process systems
(University of the Western Cape, 2011)The production of biodiesel (methyl esters) from vegetable oils represents analternative means of producing liquid fuels from biomass, and one which is growing rapidly in commercial importance and relevance due to increase ... -
Organometallic improvement of some tuberculosis drugs
(University of the Western Cape, 2023)Metal-based drugs are preferred motifs that serve as major pharmacophores in bioactive compounds for a variety of diseases, including as tuberculosis (TB). Heterocyclic, Schiff bases, aliphatic amines and other ligands ... -
Overoxidized polypyrrole-osmium telluride quantum dots immunosensor for prostate specific antigen – A cancer biomarker.
(University of the Western Cape, 2014)Prostate cancer is a deadly disease that occurs in the male’s prostate gland. A prostate gland is a walnut structure that forms part of the male’s reproductive system. Prostate cancer is caused by high level than normal ... -
The oxidation of the lower primary alcohols ln a catalytic membrane reactor
(University of the Western Cape, 2000)Methanol and ethanol are important chemical feedstock used in industrial chemistry, since they are the starting materials for the synthesis of various products, including hydrocarbons and mild oxidation products. For ... -
Oxidative fixation of dinitrogen by photocatalysis
(University of Western Cape, 2000)The heterogeneous photocatalytic oxidation of dinitrogen to nitrate, NO3 and/or nitrite, no2 using peroxy species of titanium (IV) in aqueous suspensions has been investigated. The photocatalysts used were titanium peroxide ...