Faculty of Natural Science: Recent submissions
Now showing items 81-100 of 2566
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The presence and concentration of antiretroviral drugs in different water bodies around the Western Cape
(University of the Western Cape, 2023)Concerns regarding the prevalence of chemicals from medicines and personal care goods, such as cosmetics, in streams and rivers have grown in recent years. Water quality experts and environmentalists are becoming increasingly ... -
Exploring low-cost solution for 3D crime scene data gathering with immersive technology
(University of the Western Cape, 2023)3D crime scene data gathering is critical for law enforcement and investigators during crime scene investigations. Crime scene investigations have seen the effective usage of Light Detection and Ranging (LiDAR) scanners ... -
Geochemical and petrographic evidence for the vredefort proximal impact ejecta in the Northern Cape, South Africa
(University of the Western Cape, 2022)The advancement of the understanding of hypervelocity impacts lies in discovering impact structures and both proximal and distal impact ejecta. This study uses petrographic and geochemical techniques to investigate the ... -
Organometallic improvement of some tuberculosis drugs
(University of the Western Cape, 2023)Metal-based drugs are preferred motifs that serve as major pharmacophores in bioactive compounds for a variety of diseases, including as tuberculosis (TB). Heterocyclic, Schiff bases, aliphatic amines and other ligands ... -
Constraining the stratigraphy and paleotectonic development of the Cango Caves and Kansa Groups (Western Cape, South Africa) using detrital zircon and whole-rock geochemistry
(University of the Western Cape, 2022)The Saldania Belt is a Neoproterozoic to early Paleozoic low-grade orogenic belt that borders the southern and southwestern margins of the Kalahari Carton. It forms part of the Neoproterozoic Pan-African and Brasiliano ... -
An electrophysiological exploration into the Sertoli cell, utilizing plant extracts with a view to contraception
(University of the western cape, 2003)Certa in medicinal plant extracts have been shown to have a contraceptive effect on male rats (Rajasekaran et al. , 1988) and mice (Kong et al., 1986). A possible site for the mechanism of action has been identified as the ... -
Effect of inhaled cationic poly-peptides on respiratory mechanics in the isolated perfused rat lung
(University of the Western Cape, 1998)The inhalation route is increasingly being considered as a viable option to deliver protein drugs into the body, but there has been few studies dealing with the safety of this strategy. The results of in vitro studies have ... -
The antimicrobial screening of four South African asteraceae species and the preliminary structural investigation of an antipseudomonal compound from Arctotts auriculata
(University of the Western Cape, 1998)Infectious diseases represent one of the main causes of morbidity and mortality in developing countries, like South Africa. The indiscriminate use of antibiotics has also resulted in the emergence of a number of resistant ... -
Inclusive (p, α) and (p,³He) cross sections induced by 100 MeV protons on ⁴⁰Ca
(University of the Western Cape, 2006)Alpha clusteri ng in nuclei is studied with quasi - free knockout reactions. A beam of 100 MeV polarized protons was used in the quasi-free knockout reaction 40 ~a( p,p' a)36 Arat iThemba LABS. While the scattered protons ... -
The molecular characterization of trichoplusia ni single nucleocapsid nucleopolyhedrovirus: a study on early regulatory features
(University of the Western Cape, 2003)With the development of biological insecticides, many research efforts have been made in baculoviruses to investigate fundamental molecular aspects of these viruses, such as the function and regulation of genes, genome ... -
The antimicrobial screening of four South African Asteraceae species and the preliminary structural investigation of an antipseudomonal compound from Arctotis auriculata
(University of the Western Cape, 1998)Infectious diseases represent one of the main causes of morbidity and mortality in developing countries, like South Africa. The indiscriminate use of antibiotics has also resulted in the emergence of a number of resistant ... -
Regulatory attributes of the carotenoid biosynthetic pathway in Arabidopsis Thaliana under abiotic stress
(University of the Western Cape, 2012)Carotenoids are tetraprenoid (C40) molecules synthesized in plants, fungi, bacteria and algae, via the carotenoid biosynthetic pathway (CBP). Some carotenoids are readily converted to vitamin A (VA) in humans, e.g. ... -
ISOLATION AND CHARACTERIZATION OF ANTIMICROBIAL COMPOUNDS FROM GALENIA AFRICANA
(University of the Western Cape, 2001)Galenia africona, commonly known as "kraalbos" or "geelbos" belonging to the family Aizoaceae, is a dominant plant throughout the Namaqualand area. It is an active invader and is especially abundant in disturbed areas ... -
The influence of maternal nicotine exposure on neonatal lung development: An enzymatic and metabolic study
(University of the Western Cape, 1999)Chapter I, the literature review, gives the reader a sound background knowledge of the following: normal lung structural development in humans and rats, metabolic development with reference to structural development, tobacco ... -
Effect of simulated acid rain on seed germination and on growth and mineral nutrition of Lycopersicon esculentum var. Red kaki
(University of the Western Cape, 1993)The phenomenon of acid rain is not new. It has been active for more than a billion years (Abelson, 1983). The term "acid rain" was introduced as early as 1872 by Robert Angus Smith, the world's first air pollution control ... -
A case study of university students' experiences of introductory physics drawn from their approaches to problem solving
(University of the Western Cape, 2001)This thesis explores the experience of leaming physics through a particular medium: problem-solving, which is seen by many educators as the primary medium in which physics is learnt at university. Situating itself within ... -
Computation of the character tables of certain group extensions
(University of the Western Cape, 1997)In this chapter some basic theory on group extensions is first given in section 1.1 and then a method for finding the conjugacy classes of group extensions is described in section i.2. In section 1.3 we look at an example ... -
The effects of Exomis micriphylla and Atriplex lindleyi on metabolism and health
(University of the Western Cape, 2002)For many decades people have used plants for healing various ailments. Plant products have been used in herbal remedies especially for their anti-infective properties. The following study was undertaken to assess the ... -
Application of Several Time Series Methods to Three Important Financial Time Series
(University of the Western Cape, 2007)This study is concerned with three different financial time series over an eight year period, namely: the government repurchase rate, the Rand-Dollar exchange rate and the Allshare Index. The aim is to better understand ... -
Tumour suppression and subdual of cancer (tussc) in elephants: An in vitro study to shed light on Peto’s paradox
(University of the Western Cape, 2022)Logic would suggest that cancer incidence is related to body mass and longevity. Gigantic animals such as elephants with a longer lifespan (more lifetime of cell divisions) and a larger body size (more cells) will have ...