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Theses and Dissertations (Chemistry)
Recent Submissions
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Malan, Frederick Pieter
(University of Pretoria, 2017)
The synthesis and catalytic application of new half-sandwich Ni(II), Cr(III), and Ru(II) complexes, all stabilised by either symmetric or asymmetric N-heterocyclic carbene (NHC) ligands, were investigated. The study entailed ...
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Matoetoe, 'M'angaka C.
(University of Pretoria, 1998)
Flow-through systems are progressively becoming more important in all branches of analytical chemistry. The increased demand for analysis of more complex environmental samples has resulted in development of reliable, ...
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Ndlangamandla, Simphiwe
(University of Pretoria, 2019-11)
Copper is one of the most useful electrocatalysts for electrochemically converting CO2 to hydrocarbons and alcohols. Unfortunately, copper suffers from a lack of selectivity and efficiency. Earth-abundant electrocatalysts ...
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Van Greunen, Divan Gerald
(University of Pretoria, 2019-06)
Alzheimer’s disease (AD) is the most common neurodegenerative disease accounting for an estimated 60 – 80 % of dementia cases. The disease affected 5.5 million Americans older than 65 years in 2018 alone, and this number ...
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Tshweu, Lesego Lovius
(University of Pretoria, 2018-12)
The major disease burden for the majority of the world’s population is due to infectious diseases. The most prevalent are HIV/AIDS, tuberculosis, lower respiratory tract infections, diarrhoeal diseases and malaria. In ...
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Chimude, Cathrine
(University of Pretoria, 2024)
As part of a chemistry education research project, this study was designed to assess the effectiveness of an intervention using Life Cycle Inventories (LCI) of pharmaceutical production in introducing systems thinking for ...
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Van Heerden, Lanzo Jacques
(University of Pretoria, 2024-03-28)
2-Methyl-4'-(methylthio)-2-morpholinopropiophenone (MMMP) is a highly modified synthetic cathinone derived from natural occurring cathinone, the main psychoactive alkaloid present in Catha edulis Forsk. or khat. Synthetic ...
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Kempkes, Geyan
(University of Pretoria, 2024-06-04)
Mercury as a pollutant has a longstanding history of environmental and health impacts. The ubiquitous global presence of mercury in the environment in combination with its toxicity has given rise to global efforts to control ...
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Mudau, Mbavhalelo Wendy
(University of Pretoria, 2024-04-12)
The primary objective of this study was to identify and characterise SCBs in herbal mixtures from
South Africa using a serial identification approach. The analysis of seised herbal mixtures was carried
out using ...
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Bothma, Shalene Natalia
(University of Pretoria, 2024-05-17)
Organic-inorganic hybrid materials combine an organic- and inorganic component at the molecular scale. The resulting hybrid material retains the properties of each component, allowing for the design of a material with ...
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Currie, Bernice Mercia
(University of Pretoria, 2024-03)
Flow chemistry has become an appealing alternative synthetic technology globally over the last few decades finding application in both academic and industrial laboratories driven largely by the fact that it commonly provides ...
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Ezeofor, Chidinma Christiana
(University of Pretoria, 2023)
Given that South Africa is home to around 10% of all flowering plant species known to humans, the country is blessed with an abundance of natural resources. About 24,000 plant species have yet to be fully uncovered for the ...
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Klopper, Reinard
(University of Pretoria, 2024-02-23)
Carbon dioxide is the fourth most abundant gas in the atmosphere making up 0.035 %. Carbon dioxide prevents heat from escaping into the outer space and is used by plants to make oxygen. The levels of carbon dioxide have ...
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Meyer, Johanna Christina
(University of Pretoria, 2024-02-20)
During the latter half of the previous century, new mycotoxins were discovered as secondary metabolites of fungi in major grains before harvest. The prevalence of these toxic compounds and the negative health effects caused ...
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Njurai Miano, Raphael
(University of Pretoria, 2024-02)
The tephritid fruit fly is a term well-known in fruit and vegetable production. Several techniques including the use of parasitoids have been deployed for fruit fly control. In Sub-Saharan Africa, Fopius arisanus (Sonan) ...
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Zaaiman, Stéfan
(University of Pretoria, 2023-12-14)
Cooperativity is a strange phenomenon in water clusters, characterized by a non-linear decrease in the average electronic energy of a water molecule or hydrogen bond with an increase in cluster size. The main aim of this ...
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Moyo, Dennis Simbarashe
(University of Pretoria, 2023-06-13)
Fipronil is a widely used insecticide which exerts selective toxicity towards the GABA receptors of insects and has no known pesticide resistance in target insects. This, in turn, has led to the increase in the usage of ...
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Berrange, Lu-Nita
(University of Pretoria, 2023-11)
Endocrine disrupting chemicals (EDCs) are commonly found in products such as pesticides, plastics, and pharmaceuticals. These chemicals are of significant concern due to their potential to disrupt the endocrine system, ...
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Tyhali, Akhona
(University of Pretoria, 2023-10-23)
N-nitrosamines (NAs) are widely recognized as cancer-causing and genotoxic substances that emerge in water primarily as a result of chlorination or chloramination disinfection processes when nitrogen-containing compounds ...
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Marjanovic-Painter, Biljana
(University of Pretoria, 2023)
Nuclear Medicine imaging involves the monitoring of disease processes by using radioactive signals produced by radiopharmaceuticals (injected intravenously) to monitor the pharmacokinetic behaviour of compounds non-invasively ...
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