Browsing Philosophiae Doctor - PhD (Chemistry) by Title
Now showing items 106-125 of 135
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Quantum dot sensitized estrogen receptor alpha-recombinant protein electrochemical biosensor for 17-beta estradiol
(University of the Western Cape, 2016)Estrogens play an extraordinary role in the endocrine system regulation through the stimulation and regulation of endocrine pathways. 17β-estradiol is one of the final metabolites in estrogen regulation by hydroxylase ... -
Quantum dots for multiplexed biological imaging
(University of the Western Cape, 2023)Over the past two decades, indium phosphide (InP) colloidal quantum dots (QDs) have attracted substantial interest as a possibly less hazardous alternative to cadmium-based QDs. The improvements in their colloidal synthesis ... -
Quantum dots genosensor for Her2/Neu oncogene - a breast cancer biomarker
(University of the Western Cape, 2014)The human epidermal growth factor receptor (HER)-family of receptor tyrosine kinases; human epidermal growth factor receptor 1, human epidermal growth factor receptor 2, human epidermal growth factor receptor 3 and human ... -
Quantum dots-amplified electrochemical cytochrome P450 phenotype sensor for tamoxifen, a breast cancer drug
(University of the Western Cape, 2017)Breast cancer is regarded as the most common cancer in South Africa and its rate of occurrence is increasing. About one in every 31 South African women are at the risk of developing breast cancer and early diagnosis and ... -
Re-use of South African fly ash for CO2 capture and brine remediation.
(University of the Western Cape, 2013)Coal combustion accounts for 95% of electricity generation in South Africa while globally coal combustion for energy generation stands at 42%. It has been predicted that coal utilization for energy generation will continue ... -
Spectroelectrochemical determination of the antioxidant properties of carpobrotus mellei and carpobrotus quadrifidus natural products
(University of the Western Cape, 2009)South African Carpobrotus species have been found to contain hydrolysable tannins, various tlavonoids e.g. rutin and hyperoside, phytosterols and aromatic acids which have a diverse range of pharmacological properties ... -
Structural investigation of the natural products composition of selected South African seaweeds.
(University of the Western Cape, 2014)Recently, a great deal of interest has developed towards the isolation of bioactive compounds from marine sources due to their numerous health benefits. Furthermore, marine algae are valuable sources ... -
Supercapacitor electrode materials based on nanostructured conducting polymers and metal oxides
(University of the Western Cape, 2013)Supercapacitors are charge-storage devices. Compared to batteries, they have higher power density, more excellent reversibility and longer cycle life. Therefore, supercapacitors have played an increasingly important role ... -
Sustainable synthesis of BEA zeolite from fly ash-based amorphous silica
(University of Western Cape, 2019)Power generation in South Africa depends majorly on the combustion of coal and the increasing demand for energy due to industrialisation and population growth signifies the continuous consumption of coal. During this ... -
Swift heavy ion irradiation of polyester and polyolefin polymeric film for gas separation application
(University of the Western Cape, 2015)The combination of ion track technology and chemical etching as a tool to enhance polymer gas properties such as permeability and selectivity is regarded as an avenue to establish technology commercialization and enhance ... -
Synthesis and characterisation of high silica zeolites with MOR and MFI framework type from South African coal fly ash.
(University of the Western Cape, 2019)High-silica zeolites are porous, aluminosilicate materials known for high thermal stability; making these materials favourable for application in various industrial processes involving elevated temperatures. The synthesis ... -
Synthesis and characterization of nanofluids for cooling applications
(University of the Western Cape, 2006)Low thermal conductivity is a primary limitation in the development of energy-efficient heat transfer fluids that are required in numerous industrial sectors. Recently submicron and high aspect ratio particles (nanoparticles ... -
Synthesis and characterization of new adsorbents for CO2 capturing
(University of the Western Cape, 2014)Carbon dioxide emissions have become a major concern as they are one of the contributing factors to the “green-house” effect. Recently, much effort has been put into separating carbon dioxide (CO2) from flue gases linked ... -
Synthesis and characterization of pt-sn/c cathode catalysts via polyol reduction method for use in direct methanol fuel cell
(2013)Direct methanol fuel cells (DMFCs) are attractive power sources as they offer high conversion efficiencies with low or no pollution. One of the major advantages DMFCs has over PEMFCs is that methanol is a liquid and can ... -
Synthesis and electrochemistry of novel conducting dendrimeric star copolymers on poly(propylene imine) dendrimer
(University of the Western Cape, 2011)One of the most powerful aspects of conducting polymers is their ability to be nanostructured through innovative, synthetically manipulated, transformations, such as to tailor-make the polymers for specialized applications. ... -
The synthesis and evaluation of potential anti-Mycobacterium tuberculosis and apoptotic agents
(University of the Western Cape, 2007)Tuberculosis (TB) and Cancer are among the most devastating and therapeutically challenging diseases that need to be addressed in South Africa today. The development of muti-drug resistance in TB causing bacteria, Mycobacterium ... -
The Synthesis of Biaxial Naphthoquinones and an Initial Investigation regarding their Potential as anti- Mycobacterium tuberculosis and Apoptotic Agents
(University of the Western Cape, 2009)Tuberculosis and cancer are amongst the most devastating diseases affecting the world today, especially Africa and other less developed countries. Both diseases have the ability to develop resistance against drugs being ... -
Synthesis of multi-metallic catalysts for fuel cell applications
(University of the Western Cape, 2008)The direct methanol fuel cell or DMFC is emerging as a promising alternative energy source for many applications. Developed and developing countries, through research, are fast seeking a cheap and stable supply of energy ... -
Synthesis of new biguanide derivatives as potential antidiabetic drugs
(University of the Western Cape, 2022)The main purpose of this study was to synthesize biguanide compounds with potential as antidiabetic drugs. All biguanide compounds possess antidiabetic properties by decreasing the blood glucose level. Hence, we embarked ... -
Synthesis of sulphonated and transition metal oxide doped polymeric nanocomposites for application in design of supercapacitors
(University of the Western Cape, 2011)To meet a fast-growing market demand for next generation portable electronic devices with higher performance and increased device functionalities, efficient electrical energy devices with substantially higher energy, power ...