Browsing Faculty of Natural Science by Title
Now showing items 692-711 of 2597
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Ecology and conservation of high altitude amphibians
(UWC, 2002)This study looked at the breeding ecology of the anurans, found in the Landdroskop mountain range in Grabouw, and some recommendations as to their conservation are made. There is very little known about the frogs in South ... -
Ecology and diet of the caracal (Caracal caracal) on lethal and non-lethal control farms in the Karoo
(University of the Western Cape, 2020)Human-wildlife conflict is an ongoing issue worldwide. Within South Africa, human-carnivore conflict (HCC) as a result of carnivore depredation on small-livestock causes large-scale losses, and promotes the use of predator ... -
Ecology and diet of the caracal (Caracal caracal) on lethal and non-lethal control farms in the Karoo
(University of the Western Cape, 2020)Human-wildlife conflict is an ongoing issue worldwide. Within South Africa, human-carnivore conflict (HCC) as a result of carnivore depredation on small-livestock causes large-scale losses, and promotes the use of predator ... -
Ecology and morphology of the Kalahari tent tortoise, Psammobates oculifer, in a semi-arid environment
(University of the Western Cape, 2012)Southern Africa harbours one-third of the world's Testudinid species, many of which inhabit arid or semi-arid areas, but ecological information on these species is scant. I studied the habitat, morphology and ecology of ... -
The ecology of tadpoles in a temporary pond in the Western Cape with comparisons to other habitats
(University of the Western Cape, 2006)This work centered on the tadpoles in a temporaray pond in the middle of Kenilworth racecourse, Cape Town, South Africa. Trapping was carried out over two wet seasons and five species were found. The racecourse was selected ... -
The ecology of the world's smallest tortoise, homopus signatus signatus: effects of rainfall
(2008)Tortoises appear to be successful in arid ecosystems, where they depend on primary production for their predominantly herbivorous diets. The low primary production of arid regions is exacerbated by priodic droughts, so ... -
Efavirenz pre-formulation study : selection of a cyclodextrin inclusion complex or co-crystal complex for tabletting
(University of the Western Cape, 2015)Efavirenz is a non-nucleoside reverse transcriptase inhibitor used as an anti-retroviral for the treatment of human immunodeficiency virus (HIV) type I. It is classified as a class IΙ drug under the Biopharmaceutical ... -
Effect of a material science course on the perceptions and understanding of teachers in Zimbabwe regarding content and instructional practice in design and technology
(2007)The purpose of this study was therefore to address the following primary research question: ‘What effect would a specially designed, developed, implemented and evaluated Material Science (MS) course have on serving teachers ... -
Effect of basella alba and hibiscus macranthus on tm4 sertoli cell functions
(University of the Western Cape, 2009)Basella alba (BA) and Hibiscus macranthus (HM) are used by traditional healers in Cameroon to treat male sexual fertility problems. Previous studies showed that in vivo administration of the leaf extracts of both plants ... -
The effect of blocking selected endocytic mechanisms on heterologous protein secretion in the yeast saccharomyces cerevisiae
(University of the Western Cape, 2018)The yeast Saccharomyces cerevisiae is considered a good host used for heterologous protein production due to the organism’s microbial safety, rapid growth and eukaryotic post- translational processing. As a fermentative ... -
The effect of chitosan in the germination and growth of sorghum bicolor under salt stress
(University of the Western Cape, 2022)The agricultural sector has been facing enormous challenges including reduced crop yield and increased food production demand to cater for the growing population. Crop production is severely affected by abiotic and biotic ... -
The effect of cissampelos capensis extract on prostate cancer, sertoli and leydig cell function
(University of the Western Cape, 2014)This study investigated the effect of the C. capensis extract (0.001, 0.01, 0.1, 1, 10, 100 1000 μg/ml) on LNCaP prostate cancer, TM3 Leydig and TM4 Sertoli cells for 24 and 96 hours. The following parameters were investigated: ... -
Effect of cissampelos capensis rhizome extract on human sperm capacitation and acrosome reaction
(2013)Cissampelos capensis, is commonly known by the Afrikaans name ‟dawidjies” or ‟dawidjieswortel”. C. capensis is the most important and best known medicinal plant of the family Menispermaceae used by the Khoisan and other ... -
The effect of co-crystallization and polymorphism on the physicochemical properties of amoxicillin tri-hydrate
(University of the Western Cape, 2013)Many active pharmaceutical ingredients (APIs) have poor physicochemical properties such as solubility, dissolution and chemical stability. Several strategies are used to enhance and improve these properties of the API. ... -
The effect of copper on the growth, development and chemical composition of some dryland wheat cultivars
(University of the Western Cape, 2005)Heavy metal accumulation in arable land as a result of mining activities, pesticides and fertilisers has become a global concern. Steinkopf and Concordia in the Northern Cape are well-known for subsistence farming, but ... -
The effect of diet on the mucus histochemistry and adjacent histology of the digestive tract in Vervet monkeys.
(University of the Western Cape, 1993)There is a need for defined models of human nutritional disorders partly because serious misconceptions about models are common amongst researchers. Historically a large variety of species has been used including primates, ... -
The effect of dossier farming on medicine registration in South Africa.
(University of the Western Cape, 2020)In this study, the researcher wanted to determine the effect of dossier farming in medicine registration in South Africa by comparing the number of generic registrations of products tendered for the government for the ... -
The effect of doxorubicin encapsulated chitosan alginate nanoparticles and curcumin on multidrug resistant colon cancer cell lines
(University of the Western Cape, 2024)Purpose: Although chemotherapeutic drugs have improved the survival rate of patients diagnosed with colorectal cancer, resistance to chemotherapy frequently leads to therapeutic failure and poor patient outcomes. Multidrug ... -
Effect of Eurycoma longifolia (Tongkat Ali) on the prostate cancer cell line LNCaP
(2013)Eurycoma Longfolia Jack, also known as Tongkat Ali (TA) is a tropical plant belonging to the family of Simaroubaceae is widely distributed in South East Asian countries. The extracts of TA have been proven to have ... -
The effect of exogenous growth regulators on salinity tolerance in Erucastrum strigosum
(University of the Western Cape, 2003)Randomized block experiments were conducted to examine the putative amelioratory effects of kinetin or gibberellic acid at concentrations (0, 4, 12.5, 40, and 125 μM) in Erucastrum strigosum plants subjected to a salinity ...