Magister Scientiae - MSc (Chemistry)
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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 ... -
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 ... -
Synthesis of DMSO based silver nanoparticles for application in wound healing
(University of Western Cape, 2021)Silver nanoparticles (AgNPs) apart from being chemically significant, have shown a lot of health benefits, the most studied being their anti-bacterial and anti-inflammatory properties. These biological properties can be ... -
A modified Adams fusion method for the synthesis of binary metal oxide catalysts for the oxygen evolution reaction
(University of Western Cape, 2020)The majority of the global energy is sourced from conventional fossil fuels. The high demand for energy is accelerating along with the depletion of these fossil fuels. Hence, the shift to renewable energy sources and ... -
Synthesis, characterization and catalytic application of carbonyl complexes of molybdenum and tungsten in epoxidation of some alkenes
(University of the Western Cape, 2010)In this thesis we describe the synthesis of several carbonyl complexes of molybdenum and tungsten, compounds (Cl-ClO). The compounds Cl- C4 are zero valent carbonyl complexes containing N-base ligands prepared by following ... -
The fate and transport of carbon-based nanomaterials in the environment
(University of Western Cape, 2020)The interest in carbon-based nanomaterials, such as carbon-nanodots and graphene, has grown exponentially because these materials have unique properties and applications in the medical, electronic, clean energy and several ... -
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 ... -
Voltammetric determination of metformin and its derivatives using Cu modified polymer electrode.
(University of the Western Cape, 2020)Diabetes, a worldwide disease, is classified into two types, type 1 or insulin-dependent and type 2 or noninsulin-dependent. Based on reports published by the International Diabetes Federation, the total number of those ... -
Development of palladium nickel/tin metal oxide catalysts on carbon nanotube supports for direct alcohol fuel cells
(University of Western Cape, 2020)Palladium can be used as an anodic catalyst for the alkaline direct alcohol fuel cells (ADAFCs). Palladium has displayed high tolerance towards carbon monoxide (CO) poisoning and high catalytic activity for alcohol oxidation ... -
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 ... -
Synthesis of binary and ternary Pd-based Nanocatalysts for alcohol oxidation in alkaline media for fuel cell application
(University of the Western Cape, 2020)This study explores the use of UV-assisted reduction method to synthesise the catalysts, aiming at reducing synthesis time. The Pd and Au catalyst loading is kept at 5 wt% in order to reduce the cost associated with high ... -
Synthesis of peptide-loaded chitosan nanoparticles for the treatment of sexually transmitted infections (STI’s)
(University of Western Cape, 2019)Peptides are among the main drugs which attract much attention because of their great potential in treating sexually transmitted diseases and other chronic diseases. There has been a major challenge of delivering these ... -
Green synthesis: the use of brown algae in the synthesis of palladium nanoparticles and applications in carbon – carbon bond formation reactions
(University of the Western Cape, 2020)Due to the negative impact on the environment and the associated biological risks on human and animal life, the need for eco-friendly synthetic protocols is critical. With the rapid advancement in nanotechnology, this ... -
Determination of heavy metals at the electrochemically reduced graphene oxide mercury film electrode (ERGO-HgF-PGE) using adsorptive stripping voltammetry
(University of Western Cape, 2020)This work reports the use of a pencil graphite electrode (PGE) as inexpensive and sensitive electrochemical sensing platform fabricated by using electrochemically reduced graphene oxide (ERGO) in conjunction with an ... -
Encapsulating of humic acid in hydrogel matrix for the complexation of heavy metals in aqueous solutions
(University of Western Cape, 2020)Rapid industrialization growth without appropriate emission standards for discharging environmental pollutants had exposed the ecosystem to detrimental effect. Due to their bioaccumulation propensity in organisms, toxicity ... -
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 ... -
Development of capacitive deionisation electrodes: optimization of fabrication methods and composition
(University of the Western Cape, 2020)Membrane Capacitive Deionisation (MCDI) is a technology used to desalinate water where a potential is applied to an electrode made of carbonaceous materials resulting in ion adsorption. Processes and materials for the ... -
Graphol and vanadia-link zin doped lithium manganese silicate nanoarchitectonic platforms for supercapatteries
(University of the Western Cape, 2020)Energy storage technologies are rapidly being developed due to the increased awareness of global warming and growing reliance of society on renewable energy sources. Among various electrochemical energy storage ... -
Graphene modified Salen ligands for the electrochemical determination of heavy metal ions
(University of Western Cape, 2020)Environmental pollution is a major threat to all life, which needs to be addressed. Heavy metals are well-known environmental pollutants due to their toxicity and, persistence in the environment toxicity for living organisms ... -
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 ...
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