Browsing Magister Scientiae - MSc (Chemistry) by Title
Now showing items 120-139 of 268
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Hydrothermal synthesis of hierarchical ZSM-5 with different Si/Al ratio and their evaluation as catalysts in the catalytic cracking of hexane
(University of Western Cape, 2021)Ethylene and propylene are greatly used for their importance as feedstocks for producing useful materials. Due to rise in prices and the demand of ethylene and propylene, the need to increase the selective production of ... -
Immobilized catalysts for alkene oxidation
(University of the Western Cape, 2007)Tertiary butyl substituted and unsubstituted Schiff base systems containing N,O donor ligands (Salicylaldimines) with aminotriethoxysilane tail were synthesized and complexed to Copper and Cobalt acetate. The ligands were ... -
Indium nanoparticulate-modified polyanilino-co-4-aminobenzoic acid amperometric sensor for the detection of lapatinib, a breast cancer drug.
(University of the Western Cape, 2022)Lapatinib is a highly prescribed drug used in combination with other drugs to treat breast cancer. Due to drug toxicity-related side effects experienced by some patients, there is need to determine appropriate dosage for ... -
An investigation into the elements influencing stock control and their relation to health care delivery in the public setting: Development of a stock control assessment tool
(University of the Western Cape, 2000)The aim of this study was to develop a Stock Control Assessment Tool for use in the public health care sector and then to apply it to identify problems in the stock control system. This would help authorities to optimize ... -
Investigation of the natural products composition from the seaweed ulva capensis
(University of Western Cape, 2019)In modern society, diversity of marine macroalgae has become an inspiration for pharmaceutical companies and researchers because of their numerous health benefits, and a great deal of interest has developed towards the ... -
Ion exchange resins an functional fibres: a comparative study for the treatment of brine waste water
(University of the Western Cape, 2009)To improve the adsorption capacity of polyacrylonitrile (PAN) fibres, hydrophilic amidoxime fibres were prepared by subsequent conversion of the cyano groups to an amidoxime group by reacting with hydroxylamine at 80°C at ... -
Ion track modification of polyimide film for development of palladium composite membrane for hydrogen separation and purification
(University of the Western Cape, 2011)South Africa s coal and platinum mineral resources are crucial resources towards creating an alternative and environmentally sustainable energy system. The beneficiation of these natural resources can help to enhance a ... -
Iridium based mixed oxides as efficient anode catalysts for Solid Polymer Electrolyte (SPE) electrolysers
(2010)The objective of the thesis is to develop highly efficient catalysts for solid polymer electrolyte (SPE) electrolyser anodes.The anode is the primary cause of the large overpotential of SPE electrolysers and also adds ... -
ISOLATION AND CHARACTERIZATION OF ANTIMICROBIAL COMPOUNDS FROM GALENIA AFRICANA
(University of the Western Cape, 2001)Galenia africona, commonly known as "kraalbos" or "geelbos" belonging to the family Aizoaceae, is a dominant plant throughout the Namaqualand area. It is an active invader and is especially abundant in disturbed areas ... -
The Isolation and Electrochemical Studies of Flavanoids from Galenia africana and Elytropapus rhinocerotis from the North Western Cape
(University of the Western Cape, 2010)In this study two medicinal plant species, namely Galenia africana and Elytropapus rhinocerotis, the former belonging to the family Aizoceae and the latter belonging to the family Asteraceae, have been investigated and ... -
Isothermal and non-isothermal comparative study of Zn-sn system using real-time RBS
(2021)Solid-state reactions of bi-metallic systems can be driven or activated by various external stimuli like pressure, energetic photons, energetic charged particles or heat. For an example, high pressure torsion can be ... -
L-Cysteine-Capped Indium Telluriselenide Quantum Dot Aptasensor for Interferon-Gamma TB Biomarker
(University of the Western Cape, 2018)Tuberculosis (TB) is one of the major infectious diseases that affect the health of people all over the world. South Africa is one of the countries that account for most of the TB cases; it is the leading cause of death ... -
Liquid-liquid interface ion-transfer amperometric sensors for tenofovir as a model nucleoside/nucleotide anti-retroviral drug
(University of the Western Cape, 2014)Amperometric sensors for Tenofovir, a model nucleotide/ nucleoside reverse transcriptase inhibitor ARV drug, were studied based on the principle of ion-transfer electrochemistry at the membrane-stabilized oil/ water interface ... -
Lithium manganese oxide modified with copper-gold nanocomposite cladding- a potential novel cathode material for spinel type lithium-ion batteries
(University of the Western Cape, 2014)Spinel lithium manganese oxide (LiMn2O4), for its low cost, easy preparation and nontoxicity, is regarded as a promising cathode material for lithium-ion batteries. However, a key problem prohibiting it from large scale ... -
Long-range transport clusters, fine particulate matter (PM2.5) and soot concentrations of air masses in Cape Town, South Africa
(University of the Western Cape, 2018)Ambient air pollution is the biggest environmental threat to human health. According to the World Health Organisation (WHO), ambient air pollution kills millions of people worldwide every year. Airborne particulate matter ... -
Membrane module development for water recovery from humid gas
(University of the Western Cape, 2020)Over the past 5 years, South Africa has been experiencing a severe drought. This has caused industrial and agricultural processes, to compete for a limited supply of water. Since the economy relies mostly on agricultural ... -
Metal complexes based on monomeric and dendrimeric pyrrole-imine ligands as catalytic precursors
(University of the Western Cape, 2007)Over the recent past, organometallic chemistry has grown and the impact of catalytic applications in various chemical technologies has rapidly evolved from the realm of academic laboratories into full-scale industrial ... -
Metal modified mesoporous ZSM-5 as catalysts for the oligomerization of 1- hexene
(University of Western Cape, 2021)The use of diesel engines in vehicles and heavy machinery throughout the world has been slowly increasing in the past few decades. This has led to high demand for diesel and gasoline with high octane number. Diesel and ... -
Metal nanoparticle modified polysulfone membrane for water treatment
(University of the Western Cape, 2013)Membrane separation processes have been widely applied in the treatment of wastewater with polysulfone (PSF) polymer membrane being the most frequently used in ultrafiltration of wastewater due to its chemical and structural ... -
Metallodendrimers as catalysts for C-C coupling reactions
(2011)In this work, we describe the synthesis of ferrocenylimine and G1 dendrimeric N,N′ ligands, and their palladium(II) complexes. The ligands L1 – L4 were synthesized following Schiff base condensation reactions. The ...