Browsing Masters Degrees (Chemistry) by Title
Now showing items 72-91 of 282
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The effect of extraction methods on the oxidatives stability of marula and moringa seed oil.
(2017)Marula and moringa seeds are used as a source of food, and the seed oils are used in cosmetics, pharmaceuticals and in medicines. This is due to its high nutritive value and high content of unsaturated fatty acids, which ... -
The effects of dissolved solids in process cooling water and mine water on concrete corrosion.
(1998)An investigation has been carried out to determine the effects of the dissolved solids in process cooling water (pcw) and mine water (mw) on concrete corrosion. An experimental set up was designed to simulate the process ... -
The electrochemical and electrocatalytic behaviour of glassy alloys.
(1999)The aim of this study was to investigate the electrochemical and electrocatalytic properties of a selection of glassy alloys for the hydrogen evolution reaction in base. The glassy alloy compositions tested included the ... -
Elemental and phycochemical analysis of various seaweed species found along the east coast of KwaZulu-Natal, South Africa.
(2016)Abstract available in PDF file. -
Elemental composition and nutritional value of the edible fruits of coastal red milkwood (Mimusops caffra) and Transvaal red milkwood (Mimusops zeyheri) and the impact of soil quality.
(2017)Mimusops caffra and Mimusops zeyheri, both of the plant family Sapotaceae are indigenous plant species that grow widely in most parts of South Africa and the edible fruits of these species are picked and eaten raw in ... -
Elemental distribution in selected edible nuts and the impact of soil quality on the chemical characteristics of macadamia (Macadamia integrifolia) nuts
(2007)Environmental and nutritional imperatives make it necessary to carry out regular and reliable -
Elemental distribution in selected edible trifolium species (clover) and the impact of soil quality on the chemical characteristics of trifolium dubium
(2017)Trifolium (clover) species are edible herbs that are rich in proteins, phytocompounds and essential macro and micro-nutrients. These herbaceous plants can therefore contribute significantly to the nutritional needs of ... -
Enantioselective synthesis of 1-substituted tetrahydroisoquinolines.
(2014)Many organic compounds are chiral and they are useful because of the biological activities associated with them. The biological activities of chiral compounds are often linked to absolute configuration, i.e. a compound ... -
Enzymatic activation of a peptide functionalised gold nanoparticle system for prodrug delivery.
Traditional chemotherapeutic drugs are often restricted by severe side effects and a lack of specificity. An approach aimed at improving the selectivity of cancer drugs includes the use of prodrugs that can be selectively ... -
Ethyl N-bromo-alkylcarbamates as heterocyclic precursors and extractives from Oceanapia sp.
(2001)The synthesis of p-lactams has been of foremost importance since the discovery of penicillin by Sir Alexander Fleming, in 1928, and its susequent structure elucidation in 1945. Ethyl N-2-bromo-alkylcarbamates show considerable ... -
Extractives from eucomis montana and agapanthus inapertus.
(2003)Two species belonging to different families were investigated, Eucomis montana from the Hyacinthaceae and Agapanthus inapertus from the Agapanthaceae. To date no previous chemical investigation on Eucomis montana has ... -
Extractives from marine organisms.
(2000)The study involves the investigation of the chemical composition of some marine organisms. This entails collecting the organism, extracting compounds from it and separation, characterization and identification of these ... -
Extractives from Neobeguea mahafalensis and Cedrelopsis grevei.
(1997)Neobeguea mahafalensis Leroy. and Cedrelopsis grevei Baill. are the two Madagascan species which were investigated in this work. Neobeguea mahafalensis Leroy. belongs to the Neobeguea genus of the Meliaceae family and is ... -
Extractives from the amaryllidacea and the fabaceae.
(1999)This work is an account of investigations into the chemistry of one of the members of the Amaryllidacae family, Ammocharis coranica, and one of the members of the Fabaceae family, Sophora velutina. Chapter one is an account ... -
Extractives from the Amaryllidaceae : Brunsvigia radulosa and Cyrtanthus breviflorus.
(2001)No abstract available. -
Extractives from the Hyacinthaceae.
(2000)Four species belonging to the Hyacinthaceae family were investigated. The taxonomy of the Hyacinthaceae is currently under review and therefore compounds isolated from these plants could provide valuable chemical evidence ... -
Extractives from the Meliaceae and Icacinaceae.
(1990)The wood, leaf and seed extracts of Apodytes dimidiata, Turraea floribunda and Turraea obtusifolia were examined. Two new limonoids belonging to the Toonafolin group were isolated from the seeds, two known havanensin-type ... -
Extractives from the Meliaceae and Ptaeroxylaceae.
(2001)This work is an account of the extractives from one member of the Meliaceae and one member of the Ptaeroxylaceae. In all, thirteen compounds have been isolated, of which four have not been described previously. Neobeguea ...