Browsing Philosophiae Doctor - PhD by Issue Date
Now showing items 1-20 of 61
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An exploration of the electrophysiological properties and ion transport across the isolated perfused seminiferous tubule of the rat
(UWC, 1999)A knowledge ofthe transport of ions is fundamental to the understanding ofthe 'bloodtestis' barrier and the transport of fluid across the seminiferous tubule. This is the first study that has investigated the isolated ... -
Exploration of the games of Malepa and Morabaraba in South African secondary school mathematics education
(University of the Western Cape, 2000)This study is based on the Exploration of the Games of Malepa and Morabaraba in South African Secondary School Mathematics Education . It explores culturally specific games through a qualitative research methodology that ... -
Sperm structure and quantitative sperm motality analysis of three wild antelope species: Aepyceros melampus, Damaliscus dorcas phillipus and Connocheates taurinus
(University of the Western Cape, 2001)The aim of this study was to compare sperm morphology, motility and the effects of cold treatment on Sperm of three wild antelope species', Aepyceros melampus (impala), Connochaetes taurinus (blue wildebeest) and Damaliscus ... -
Protocols towards the synthesis of Chiral Isochromanquinones
(University of the Western Cape, 2001)Very few protocols have been developed for the synthesis of chiral isochromanols. In recent years the active group of Giles et al. have developed a very successful and highly efficient protocol using (^9)-ethyl lactate ... -
Molecular, functional and biological characterization of a single enveloped nucleopolyhedrovirus infecting the crop pest Helicoverpa armigera
(University of the Western Cape, 2002)My study involves a detailed molecular and cellular characterisation of a South African isolate of a nucleopolyhedrovints (I.IPV) isolated from the Lepidopteran insect Helicoverpa armigera (HaSNPV-SA). Chapter two entails ... -
Phylogenetic relationships of the subfamily petropedetinae noble, 1931 (anura: ranidae): a simultaneous analysis of morphological and molecular data
(University of the Western Cape, 2002)The Ranidae is one of the largest families of the Neobatrachia, but its taxonomy is in a state of flux. Major taxonomic rearrangements have recently been instituted for this family, but these have been mostly phenetic in ... -
Modeling the effects of environmental and ecological processes on the transport, mortality, growth, and distribution of early stages of cape anchovy (engra ulis encrasicolus) in the Benguela system
(University of the Western Cape, 2003)An individual based modeling approach was used to study environmental factors and processes influencing the early life history of anchovy in the southern Benguela region and on the Agulhas Bank. The intention was to then ... -
Identification and characterisation of the role of endozepine in apoptosis induced by ceramide
(University of the Western Cape, 2003)Apoptosis is a form of programmed cell death and is required for the normal development, tissue homeostasis and survival of organisms. The identification of mutations that can lead to alterations in cell death not only ... -
The application of magnetic resonance and computed tomography imaging in the diagnosis and management of maxillofacial tumours
(University of Western Cape, 2004)The Application of Magnetic Resonance (MRI) and Computed Tomography Imaging (CT) in the Diagnosis and Management of Maxillofacial Tumours. For decades maxillofacial surgeons over the world have been frustrated by the high ... -
Spectres of the untold: memory and history in South Africa after the truth and reconciliation commission
(2006)This work is a meditation on the shaping of time and its impact on living with and understanding atrocity in South Africa in the wake of the Truth and Reconciliation Commission (TRC). -
The structure of the reproductive system in the male vervet monkey, chlorocebus aethiops, with special reference to spermatogenesis
(2007)The vervet monkey, Chlorocebus aethiops, an Old World monkey, has been often used in biomedical research programs (toxicological studies and fertility) because of the inaccessibility of relevant human tissues. Data from ... -
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 ... -
Modelling of reliable service based operations support system (MORSBOSS)
(2008)The underlying theme of this thesis is identification, classification, detection and prediction of cellular network faults using state of the art technologies, methods and algorithms. -
Digital watermarking methods for data security and authentication
(2008)Cryptology is the study of systems that typically originate from a consideration of the ideal circumstances under which secure information exchange is to take place. It involves the study of cryptographic and other processes ... -
Hydraulic properties of the table mountain group (TMG) aquifers
(2008)Research findings in current study provide a new insight into the fractured rock aquifers in the TMG area. Some of the results will have wide implications on the groundwater management and forms a solid basis the further ... -
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 ... -
Arenas of contestation: policy processes and land tenure reform in post-apartheid South Africa
(University of the Western Cape, 2008)Summary: This thesis considers different groupings that have come together in their participation in the policy processes relating to tenure reform in post-apartheid South Africa. It is methodologically and theoretically ... -
Translating policy into practice: aspects of learner-centred classroom practices in mathematics in Namibia secondary schools
(2008)"This study is guided by theories about educational policy implementation and their implications for teaching. These theories underline the notion that educational reform is a progress and it iv comes in cycles. According ... -
A case study of the nature of biology practical work in two secondary schools in Namibia
(2008)The aim of the study was to investigate the nature of biology practical work and associated discourses in two Namibian secondary schools. The purposive sample consisted of three biology teachers and 36 grade 11 students ... -
Spectroelectrochemical determination of the antioxidant properties of carpobrotus mellei and carpobrotus quadrifidus natural products
(2009)South African Carpobrotus species have been found to contain hydrolysable tannins,various flavonoids e.g. rutin and hyperoside, phytosterols and aromatic acids which have a diverse range of pharmacological properties ...
