Browsing Magister Scientiae - MSc (Chemistry) by Title
Now showing items 160-179 of 266
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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 ... -
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 ... -
p- and e- type Semiconductor layers optimization for efficient perovskite photovoltaics
(University of the Western Cape, 2019)Perovskite solar cells have attracted a tremendous amount of research interest in the scientific community recently, owing to their remarkable performance reaching up to 22% power conversion efficiency (PCE) in merely 6 ... -
P- and e- type Semiconductor layers optimization for efficient perovskite photovoltaics
(University of Western Cape, 2019)Perovskite solar cells have attracted a tremendous amount of research interest in the scientific community recently, owing to their remarkable performance reaching up to 22% power conversion efficiency (PCE) in merely 6 ... -
Photocatalytic activity of supported TiO2 nanocrystals
(2013)In recent times, the occurrence and presence of complex recalcitrant toxic contaminants in water and wastewater is increasing and consequently contributes to the non-availability of clean and safe drinking water. Water ... -
Photocatalytic degradation of organic pollutants using Ag-Fe₃O₄/SiO₂/TiO₂ nanocomposite
(University of the Western Cape, 2015)The global lack of clean water for human sanitation and other purposes has become an emerging dilemma for human beings. The presence of organic pollutants in wastewater produced by textile industries, leather manufacturing ... -
Photoluminescent Responses of Polypropylenethiophenoimine-Co-Pedot/ Polystyrenesulfonic Acid and Zinc Selenide Quantum Dot Composite Materials
(University of the Western Cape, 2018)Research in renewable energy has gained momentum and become a centre of attention as a possible alternative solution to the energy catastrophe. This is attained by the use of solar energy as an alternative clean energy ... -
Photophysics of Thiophenosalicylaldimine-functionalized G1-Polyprolyleniminato-Copper Telluride/Antimonide core-shell Nanomaterials
(University of the Western Cape, 2018)This work involves the synthesis of copper telluride-polypropylenimine tetra(5-(2-thienyl) salicylaldimine) (CuTe@PPI) and copper antimonide-polypropylenimine tetra(5-(2-thienyl) salicylaldimine) (CuSb@PPI) core-shell ... -
Photovoltaic and gas sensing applications of transitional metal nanocomposites of poly(3-hexylthiophene)-titanium dioxide
(University of Western Cape, 2021)This thesis starts with the reviewing of studies on the loading of noble metals and nanostructured metal oxides into bulk heterojunction organic solar cell device architectures. The reviews focused on the innovative ... -
Photovoltaics of novel samarium and terbium doped caesium gallium iodobromide hollow-nanocrystals perovskite
(University of the Western Cape, 2022)Perovskite solar cells have recently piqued the scientific community's interest due to their outstanding performance, which has seen them achieve up to 25% power conversion efficiency (PCE) after just 7 to 8 years of ... -
Photovoltaics of selenide kesterite doped with nanoscopic iron and cerium oxyselenides
(University of Western Cape, 2021)As the demand for energy is constantly increasing, researchers are looking at various methods of energy production. Following the rise of solar energy becoming a major player, researchers are looking at kesterite materials, ... -
Phytochemical and antimicrobial studies on Rhus natalensis
(University of the Western Cape, 2011)Extracts from the root bark, stem bark, and leaves of R. natalensis were screened for antibacterial activity against standard bacterial strains; Staphylococcus aureas, Escherichia coli and Pseudomonas aureginosa, and fungi; ... -
Phytochemical and biological studies on some South African plants used in traditional medicine for skin hyperpigmentation.
(University of the Western Cape, 2017)The regulation of the Western beauty care products is currently inadequate and a huge concern to consumers throughout the world, as most of the products manufactured by personal care industry are made of synthetic additives, ... -
Phytochemical studies of extracts from Aloe succotrina
(University of the Western Cape, 2017)Global climate change and geographical differences are two major parameters known to have, either, direct or indirect influence on the production of secondary metabolites in plants, which in-turn may affect the quality ... -
Phytochemical studies of Helichrysum patulum
(University of the Western Cape, 2006)Since Helichrysum is known by the indigenous people of Africa for therapeutic properties, such as against colds, flu and wounds, the aim of this study was to focus on the patulum species found predominantly in the Western ... -
Phytochemical study of Rhoicissus tomentosa
(University of the Western Cape, 2008)This investigation focused on Rhoicissus tomentosa, belonging to the family, Vitaceae in an attempt to assess the phytochemistry of this plant which is widely used by traditional healers in South Africa to ensure the safe ... -
Phytochemical synthesis and antimicrobial application of gold nanoparticles from extract of Artemisia annua
(University of the Western Cape, 2023)Metallic nanoparticles synthesized using chemical methods and physical methods are considered toxic to the environment due to the use of toxic solvents. The biological synthesis methods such as the use of plant extracts ...