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Browsing Chemistry by Type "Dissertation"
Now showing items 1-20 of 180
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(University of Pretoria, 2011-10-31)Fusarium verticillioides (= Fusarium moniliforme) a common fungal contaminant of maize throughout the world has been associated with diseases in both man and animals. The structure of the fumonisins, a family of structurally ...
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(University of Pretoria, 2018)Fluorochemicals are valuable organic compounds manufactured by PELCHEM, the chemical manufacturing company of NECSA (The South African Nuclear Energy Corporation of South Africa). Fluorochemicals are manufactured through ...
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(University of Pretoria, 2012-07-06)The ability to make realistic judgements of one’s performance is a demonstration of the possession of strong metacognitive skills. Metacognition involves the monitoring of one’s progress during learning, and the ability ...
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(University of Pretoria, 2015)This dissertation describes the benzylation of adenine under basic conditions, the unequivocal determination of the identity of the products of this reaction, an exploration of the effect of solvent on the reaction, a ...
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(University of Pretoria, 2007-10-01)Fingerprint profiles generated through GC analysis, are powerful tools for quality control in the food and beverage industry. Beer aroma profiles can be used for the fingerprinting of specific beer brands or for trouble ...
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(University of Pretoria, 2007-07-11)Please read the abstract in the section 00front of this document
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(University of Pretoria, 2022-02-25)The detection and quantification of cannabinoids within biological matrices are still required, despite the legalisation of cannabis use in South Africa. The development of a fit-for-purpose analytical method for the ...
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(University of Pretoria, 2014)The occurrence in wastewater of pharmaceuticals, drugs of abuse, and the metabolites produced through the use of such compounds, is becoming a question of concern. The recreational abuse of illicit compounds in South ...
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(University of Pretoria, 2006-05-05)By virtue of their fragrance and therapeutic nature, essential oils have gained great application in the cosmetic and pharmaceutical industries. These oils, as products consumed by the public for the general health and ...
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(University of Pretoria, 2009-09-16)Honeybee queens produce a number of pheromones that influence the behaviour and physiology of worker bees. The mandibular gland secretion of queens, the major pheromone source, suppresses the formation of emergency queen ...
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(University of Pretoria, 2008-07-01)An in-house developed method is presented for the purity analysis of nitrogen (N2) built-in purifier (BIPTM)) gas for the trace contaminant gases carbon dioxide (CO2), oxygen (O2)) and carbon monoxide (CO), using gas ...
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(University of Pretoria, 1991)Please read the abstract in the dissertation.
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(University of Pretoria, 2010-07-30)Please read the abstract in the section 00front of this document
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(University of Pretoria, 2023)The great breakthroughs in modern malaria drug discovery and development were a result of studies of medicinal plants used to treat malaria such as Cinchona by the Incas and Artemisia annua by the Chinese. South Africa is ...
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(University of Pretoria, 2007-11-16)The concept of flow injection (PIA), introduced as a simple and convenient principle, has established itself as a well defined analytical technique. With achievement and improvement of FIA as a general analytical laboratory ...
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(University of Pretoria, 2005-11-30)Please read the abstract in the front section of this document
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(University of Pretoria, 2006-11-30)The concept of sequential injection analysis (SIA), introduced as a simple and convenient principle, has established itself as a well defined analytical technique suitable for routine laboratory analysis. This technique ...
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(University of Pretoria, 2021)Molecular orbitals (MOs) are one of the most useful tools available for explaining and describing the electronic structure of a chemical system. These MOs are obtainable through different means, which falls under two ...
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(University of Pretoria, 2022)The synthesis and development of active pharmaceutical ingredients (APIs) within the pharmaceutical industry has been achieved using traditional batch production methods for more than a century now. Batch production chemistry ...
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(University of Pretoria, 2023)The aim of this study is to develop a process for the valorisation of diamond mine residues. This entailed a combination of thermochemical solid-solid reactions between the mine residues and ammonium sulphate, followed by ...
Now showing items 1-20 of 180