Browsing Masters Degrees (Chemistry and Polymer Science) by Title
Now showing items 47-66 of 273
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Dendrimer encapsulated gold nanoparticles as catalyst precursors for oxidative transformations of unsaturated hydrocarbons
(Stellenbosch : Stellenbosch University, 2015-04)ENGLISH ABSTRACT: In an attempt to produce active catalysts for the oxidation of alkanes, hydrophobic dendritic micelle encapsulated gold nanoparticles were prepared. Dendrimers are well suited as templates for the ... -
Desensitering van hoe-energie materiale : HMX-gebaseerde PBX-formulerings vir toepassing in missielplofkoppe
(Stellenbosch : Stellenbosch University, 1990)ENGLISH ABSTRACT: A range of fourteen pressable, polymer-bonded explosives <PBX's) were evaluated for application in a missile warhead. HMX (cyclotetramethylenetetranitramine) was identified as the most suitable high ... -
Design and synthesis of dual-active heterocyclic yybrid inhibitors for β-Hematin and plasmodium falciparum N-Myristoyltransferase
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: The current project focused on the design and synthesis of a novel antiplasmodial dual-active conjugate hybrid compound based on an indole scaffold and known antiplasmodial quinolines. The two scaffolds ... -
Design and synthesis of novel antimalarial agents
(Stellenbosh : Stellenbosh University, 2014-12)ENGLISH ABSTRACT: Malaria is a pestilent disease associated with massive socioeconomic burden of sub-Saharan Africa. This disease is caused by a blood infection of the single cellular parasite of the Plasmodium genus. Two ... -
The design and synthesis of novel HIV-1 non-nucleoside reverse transcriptase inhibitors
(Stellenbosch : Stellenbosch University, 2015-04)ENGLISH ABSTRACT: Since its discovery in the 1980’s, HIV has affected the lives of millions of individuals around the globe. Despite obvious need and an enormous amount of research a cure has remained elusive due to the ... -
Design, synthesis and characterization of novel raft agents
(Stellenbosch : University of Stellenbosch, 2005-12)This thesis begins with the description of the preparation of thirteen dithioesters (of the form Z- (C=S)-S-R) which were characterized via Fourier-transform infrared spectroscopy (FT-IR), nuclear magnetic resonance ... -
A detailed kinetic and mechanistic investigation of the multi-step oxidation of [PtIICl4]2- by [IrIVCl6]2- in acidic medium
(Stellenbosch : Stellenbosch University, 2013-12)Please refer to full text to view abstract. -
Determination of aminopolycarboxylate complexes of transition metal (Mn²⁺, Cu²⁺ and Fe³⁺) in pulp by capillary zone electrophoresis (CZE-DAD)
(Stellenbosch : Stellenbosch University, 2004-12)ENGLISH ABSTRACT: The determination of the concentrations of the transition metals Mn2 +, Cu2 + and Fe3 + in various types of pulps was carried out using a combination of chelation with Ethylenediaminetetraacetic ... -
The determination of cis and trans fatty acid isomers in partially hydrogenated plant oils
(Stellenbosch : University of Stellenbosch, 2007-03)Trans isomers are formed during the partial hydrogenation process of cis unsaturated fatty acids. The major source of trans fatty acids in the normal person's diet is from margarines and shortenings made from these partially ... -
Determination of platinum, palladium, rhodium and gold in platiniferous ores using ICP-MS and microwave dissolution
(Stellenbosch : Stellenbosch University, 2003-04)ENGLISH ABSTRACT: The determination of the platinum group metals (PGMs), platinum, palladium, rhodium, iridium, ruthenium and osmium, remains a problem for the low-grade ore samples, and the analysis of these samples in ... -
Development of a drug discovery protocol through the expression of key mycothiol biosynthetic enzymes for Mycobacterium tuberculosis
(Stellenbosch : Stellenbosch University, 2008-04)ENGLISH ABSTRACT: This work focuses on mycothiol (MSH), the low molecular weight thiol of M tuberculosis, the causative agent of pulmonary TB. It has been proven through numerous studies that the enzymes involved in the ... -
Development of a novel LC-MS/MS method for the detection of adulteration of South African sauvignon blanc wines with 3-alkyl-2-methoxypyrazines
(Stellenbosch : University of Stellenbosch, 2008-03)A method for the detection of adulteration of South African Sauvignon blanc wines, by enrichment with foreign sources of 3-alkyl-2-methoxypyrazenes, is described. The levels of three 3-alkyl-2-methoxypyrazenes (3-isobutyl-, ... -
The development of a novel technique for AFM thermal analysis of individual phases in polymer mixtures after separation and identification via LC-FTIR
(Stellenbosch : Stellenbosch University, 2004-03)ENGLISH ABSTRACT: In the ongomg search for better and faster ways to characterize complex polymer systems, it is often necessary to couple different analytical techniques in order to obtain information on more than one ... -
Development of an empirical force field and molecular dynamics simulation of N,N'-dialkylimidazolium ionic liquids
(Stellenbosch : Stellenbosch University, 2004-03)ENGLISH ABSTRACT: In an ongoing study an empirical force field that can correctly model N,N'- dialkylimidazolium halide ionic liquids, the Imidazolium Ionic Liquid Force Field - IILFF, was developed based on experimental ... -
The development of biocatalytic methods for the production of CoA analogues
(Stellenbosch : University of Stellenbosch, 2006-03)This work focuses on the biocatalytic production of coenzyme A (CoA) analogues with different tether lengths in its pantetheine moiety, and on analogues where the cysteamine moiety has been replaced with a range of other ... -
The development of direct infusion mass spectrometry method for analysis of small metabolites in urine
(Stellenbosch : Stellenbosch University, 2013-03)ENGLISH ABSTRACT: This study focused on the development of an analytical method whereby creatinine, creatine and caffeine could be determined quantitatively. Urine is the preferred body fluid for the analysis of metabolites ... -
Development of GC-MS methods for the analysis of tyre pyrolysis oils
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT : Gas chromatography coupled to mass spectrometry (GC-MS) and comprehensive two-dimensional gas chromatography (GC×GC) methods were developed for the analysis of tyre derived oils (TDOs). Using GC-MS with ... -
The development of low generation cyclic-cored metallodendrimers for potential application in anti-cancer therapy
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: The high mortality rate of cancer worldwide was the impetus for this research project. Our aim was to synthesize suitable radiopharmaceuticals that could potentially act as anti-cancer imaging agents. ... -
Development of permanently antimicrobial coatings
(Stellenbosch : Stellenbosch University, 2011-12)ENGLISH ABSTRACT: Water-borne coatings often contain multiple additives including pigments, dispersing agents, rheology modifiers, UV stabilizers and biocides. Due to their low molar mass and endocrinedisrupting properties, ... -
Direct determination of isosteric heats of sorption using pressure-gradient differential scanning calorimetry
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: Porous materials, specifically porous coordination polymers (PCP) and metal-organic frameworks (MOFs), have shown great potential for catalysis as well as gas storage, separation and purification. Energy ...
