Browsing Faculty of Natural Science by Title
Now showing items 748-767 of 2597
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The effects of capping agents on the synthesis of magnetic-luminescent Fe₃O₄ -InP/ZnSe nanocomposite material
(University of the Western Cape, 2015)Magnetic luminescent nanoparticles of an iron oxide (Fe₃O₄) superparamagnetic core and an indium phosphide/zinc selenide (InP/ZnSe) quantum dot shell are reported. The magnetic nanoparticles (MNP’s) and quantum dots (QD’s) ... -
The effects of carbon-based nanoparticle surface functionalization on immune responses
(University of the Western Cape, 2022)Nano-based technologies are highly desired for the unique properties achieved through size restrictions. Nanoparticles (NPs) achieve a higher surface-to-volume ratio during synthesis. As a result there is a greater rate ... -
Effects of catchment management on physical river condition, chemistry, hydrogeomorphology and ecosystem service provision in small coastal rivers of the Western Cape
(University of the Western Cape, 2019)River systems are by nature complex and dynamic systems, which vary in structure and therefore function, and are closely connected to their landscapes. The primary aim of this thesis was to develop a systems operational ... -
Effects of clay minerals on the petrophysical properties of sandstone reservoirs from the Offshore Pletmos Basin, South Africa
(University of the Western Cape, 2019)With the latest advancements in the Pletmos Basin it is imperative to understand and study how sandstone reservoirs are affected by clay minerals. Clay minerals are an influential component in sandstone reservoirs worldwide ... -
The effects of clipping and burning on the allocation of total nonstructural carbohydrates and selected mineral nutrients in Imperata cylindrica (L.) Raeuschel
(University of the Western Cape, 1999)The rhizomatous grass, Imperata cylindrica, occurs in the Cape Flats Nature Reserve (CFNR), South Africa. It is recognised globally as a weed of crop plants. The response of this weed to defoliation, in the forms of clipping ... -
The effects of differences in feeding regime and of export simulations on the growth of the abalone Haliotis midae Linnaeus
(University of the Western Cape, 2008)Beach-cast kelp (the most widely used feed for commercially grown South African abalone) is plentiful during winter months when periodic storms cause kelp to wash ashore. During summer, however, this resource is not always ... -
The effects of doxorubicin loaded chitosan-alginate nanoparticles on SK-N-BE(2) neuroblastoma cells
(University of the Western Cape, 2022)Cancer is a life-threatening disease and one of the leading causes of death globally. Cancer was thought to be associated with developed countries only but it is increasingly becoming a major health challenge in developing ... -
The effects of Elytropappus rhinocerotis Cass and Pelargonium triste (L.) L'Hèrit on animal health and metabolism
(University of the Western Cape, 2003)Many South Africans use cultural traditions and practices in the management of their health. Elytropappus rhinocerotis is an important medicinal plant, which is widely distributed in regions of South Africa. The objective ... -
The effects of environment on radio-loud AGN activity in Stripe 82
(University of the Western Cape, 2016)We investigate the link between environment and radiative accretion efficiency using a sample of 8946 radio-loud AGN detected at 1 − 2 GHz in the SDSS Stripe 82 region. We quantify their environments using the surface-density ... -
Effects of environmental growth conditions on the levels of sutherlandins 3 and 4 and sutherlandiosides B and D, in Sutherlandia frutescens (L.) R. Br.
(University of the Western Cape, 2011)Sutherlandia frutescens (L.) R. Br. (Fabaceae), indigenous to the Western Cape region of South Africa, is found in a Mediterranean-type climate known for its many environmental stressors that can influence the levels of ... -
The effects of Ethanol and Aspalathus linearis on immortalized mouse brain endothelial cells (bEnd5)
(University of the Western Cape, 2015)The blood brain barrier (BBB) is a signaling interface between the blood and the central nervous system (CNS), which prohibits the entry of harmful blood-borne substances into the brain micro-environment, thus maintaining ... -
The effects of ethanol and aspalathus linearis on immortalized mouse brain endothelial cells (bEnd5)
(University of the Western Cape, 2015)The blood brain barrier (BBB) is a signaling interface between the blood and the central nervous system (CNS), which prohibits the entry of harmful blood-borne substances into the brain micro-environment, thus maintaining ... -
Effects of exogenous myristic acid on growth and germination of Brassica napus L. under zirconium toxicity
(University of the Western Cape, 2016)Lipids when exogenously applied are known to cause various changes in ROS levels produced within plants. They can either be beneficial to the plant when not stimulating the overproduction of ROS thus resulting in improved ... -
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 ... -
Effects of flood dynamics on island geomorphology in a large mixed bedrock-alluvial anabranching river: a case study of the Vaal River near Parys.
(University of the Western Cape, 2021)Rare-infrequent magnitude floods of shorter duration events are significant natural hazards and play a key role in shaping river channel and island geomorphology. For a given river or channel, there is a relationship between ... -
Effects of Fucoidan and Chemotherapeutic agent combinations on Malignant and Non-Malignant breast cell lines
(University of the Western Cape, 2017)Breast cancer is currently one of the most common malignancies in women. Fucoidan (FUC) is a natural polysaccharide with anticancer properties. Despite a number of in vitro and in vivo studies reporting the efficacy of ... -
The effects of gallic acid on the membrane proteome and antioxidant system of wheat plants under salt stress
(University of Western Cape, 2020)Salt stress is a major abiotic stress that accounts for huge agricultural losses worldwide, which in turn threaten food security and sustainable agriculture. Salt triggers the excessive production of reactive oxygen species ... -
Effects of graphene oxide nanoparticles on the immune system biomarkers produced by RAW 264.7
(University of the Western Cape, 2019)Graphene oxide (GO) is a single carbon layer, oxygen bearing graphene derivative, containing hydroxyl and carboxyl groups. Graphene oxide nanoparticles (GONPs) are promising nanomaterials for a variety of applications such ... -
The effects of green tea, green rooibos and their major flavonoids (EGCG and aspalathin) on testicular cell health in vitro
(University of Western Cape, 2021)The testes play a central role in the male reproductive system, as they represent the sites of male sex steroidogenesis and of spermatogenesis. Leydig cells, located at the testicular interstitium, produce predominantly ... -
Effects of green, black and rooibos tea, coffee and buchu on testosterone production by mouse testicular cultures
(University of the Western Cape, 2013)Modulation of the male reproductive system occurs as a result of exposure to endocrine disrupting compounds (EDCs) in different life stages. The effects of EDCs on the male reproductive system include infertility, decreased ...