Doctoral Degrees (Chemistry and Polymer Science)

Host-guest dynamics in copper-based metal-organic frameworks

Bezuidenhout, Charl X. (Stellenbosch : Stellenbosch University, 2017-12)

ENGLISH ABSTRACT: A vast number of metal-organic framework materials (MOFs) and structures have been reported in the literature. These materials are of interest as they exhibit a wide range of remarkable properties such ...

Synthesis of fused heterocyclic aromatic compounds as potential antiplasmodial agents

Jacobs, Leon (Stellenbosch : Stellenbosch University, 2017-12)

ENGLISH ABSTRACT: 3-Methyl benzofuran antiplasmodial compounds have been described in literature and and synthesis of heterocyclic derivatives forms the basis of this project. These benzofuran compounds were synthesized ...

The Synthesis and characterization of hydrophilic gold nanoparticles via a DEN-MPC method and their evaluation as biphasic catalysts

Cloete, Jezreel (Stellenbosch : Stellenbosch University, 2017-12)

ENGLISH ABSTRACT: The synthesis of hydrophilic gold nanoparticles, by using a dendrimer template method to produce dendrimer encapsulated nanoparticles (DENs), in combination with a monolayer protected cluster (MPC) method ...

Identification of the putative urinary intraspecific recognition pheromone of the caracal caracal caracal

Hailemichael Goitom, Aron (Stellenbosch : Stellenbosch University, 2017-03)

ENGLISH ABSTRACT: Sheep husbandry makes a considerable contribution to the economy of South Africa. However, it has been pressure during the last few decades due to the rapidly growing numbers of predators such as the ...

Novel characterization of decorative coatings using field-flow fractionation and a multi-detector approach

Makan, Ashwell Craig (Stellenbosch : Stellenbosch University, 2017-03)

ENGLISH ABSTRACTION: Decorative coatings are present and fulfil and important role in all industry forms from aesthetics, construction, medicine, textiles, manufacturing, packaging and timber. The raw materials used in ...

Investigation of thiazyl radical – metalloporphyrin complexes

Van Laeren, Laura Jane (Stellenbosch : Stellenbosch University, 2017-03)

ENGLISH ABSTRACT: The aim of this project was to investigate the formation of novel dithiadiazolyl-metalloporphyrin complexes with the goal of forming complexes with interesting magnetic, conductive or redox behaviour. ...

Exploring the antimalarial mechanism of action: Adsorption of diverse inhibitors to crystalline malaria pigment (haemozoin).

Muller, Ronel (Stellenbosch : Stellenbosch University, 2017-03)

ENGLISH ABSTRACT: The crystallization of free haem (ferriprotoporphyrin IX) into haemozoin within the parasitic food vacuole is a vital detoxification process in the life cycle of the malaria parasite. Quinoline antimalarial ...

A 195Pt Nuclear magnetic resonance and molecular dynamics computer simulation study of the solvation of simple platinum (IV) chlorido complex anions in water and water-miscible solvent mixtures

Engelbrecht, Leon de Villiers (2017-03)

ENGLISH ABSTRACT: A combined 195Pt NMR spectroscopy and Molecular Dynamics (MD) computer simulation study of the solvation of the octahedral Pt(IV) complex [PtCl6]2‒ in binary mixtures of water and the fully water-miscible ...

Inherently chiral calixarenes; methodology and applications

Castell, Dominic Christian (Stellenbosch : Stellenbosch University, 2016-12)

ENGLISH ABSTRACT: The use of chiral directing groups has provided an efficient route to meta-functionalised inherently chiral calixarenes. Previously reported ortholithiation methods, incorporating chiral oxazolines have ...

Ligand Design for the selective removal of metal Ions from industrial streams and wastewater

Saban, Waheed (Stellenbosch : Stellenbosch University, 2016-12)

ENGLISH ABSTRACT: This thesis reports the development of new types of solvent extractants for use in the hydrometallurgical recovery of base metals, and addresses the ligand design features which are needed to control the ...

Resorcin[4]arene based N-heterocyclic carbenes as catalysts for carbon-carbon formation

Ngodwana, Lonwabo (Stellenbosch : Stellenbosch University, 2016-12)

ENGLISH ABSTRACT: Resorcin[4]arenes are 3-dimensional cyclic tetramers belonging to a class of compounds called cyclophanes. Because of their properties, including several sites of functionalization and possession of a ...

Guest effects on the solid-state dynamics of selected inclusion compounds

Engel, Emile R. (Stellenbosh : Stellenbosch University, 2016-12)

ENGLISH ABSTRACT: Guest inclusion has always been a central feature of supramolecular chemistry. The present work describes guest effects on particular properties of selected inclusion compounds. Guest replacement is ...

Multidimensional analytical approach for the characterization of complex ethylene-propylene copolymers

Phiri, Justice Mohau (Stellenbosch : Stellenbosch University, 2016-03)

ENGLISH ABSTRACT : Impact polypropylene copolymers (IPC) are complex multiphase materials having ethylenepropylene rubber particles incorporated in a semi-crystalline isotactic polypropylene (iPP) matrix. The ethylene-propylene ...

Field-flow fractionation of amphiphilic block copolymers

Greyling, Guilaume Hermanus (Stellenbosch : Stellenbosch University, 2016-03)

ENGLISH ABSTRACT : Complex polymers have multiple distributions with respect to molecular weight, chemical composition, functionality as well as molecular topology and architecture. Moreover, these distributions affect ...

High resolution multi-nuclear 1 and 2D NMR characterization of stannous halide complexes of Rh(I/III) in aqueous and non-aqueous solutions

Barkhuysen, Shani (Stellenbosch : Stellenbosch University, 2016-03)

ENGLISH ABSTRACT: A detailed high-resolution multi-nuclear NMR study the stannous halide complexes of Rh(I/III) in aqueous and non-aqueous solutions has been undertaken. In this study the series of [RhIII(SnX3)nX6-n]3- (X ...