Browsing Faculty of Natural Science by Subject "Nanotechnology"
Now showing items 1-20 of 31
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Antimicrobial, anticancer and catalytic activities of green synthesized Avocado seed extract-gold nanoparticles
(University of the Western Cape, 2019)Nature through billions of years of trial and error has produced an immeasurable amount of natural systems like plants, birds and animals. The intelligence of nature is hidden in these natural systems and researchers are ... -
The Assessment of Effects of Carbon Quantum Dots on Immune System Biomarkers Using RAW 264.7 Macrophage Cells
(University of the Western Cape, 2020)Nanotechnology is a rapidly growing field of research. Due to major innovations brought about by developments in nanotech, several consumer products are currently available containing nanomaterials. The increase of ... -
A baseline evaluation of the cytotoxicity of gold nanoparticles in different types of mammalian cells for future radiosensitization studies
(University of the Western Cape, 2020)Recently nanoparticles (NPs) have been introduced and used in combination with therapeutic approaches to develop nanotechnology-enabled medicine. These nanostructures allow for the exploitation of the physiochemical ... -
A baseline evaluation of the cytotoxicity of gold nanoparticles in different types of mammalian cells for future radiosensitization studies
(University of the Western Cape, 2020)Recently nanoparticles (NPs) have been introduced and used in combination with therapeutic approaches to develop nanotechnology-enabled medicine. These nanostructures allow for the exploitation of the physiochemical ... -
Biogenic synthesis of gold nanoparticles using red and green pear fruit extracts
(University of the Western Cape, 2019)There has been a growing interest in the design of biocompatible and environmentally affable nanoparticles (NPs) among scientists to develop novel and safe biomaterials for use in various biomedical applications. This can ... -
Catalyst Coated Membranes (CCMs) for polymerelectrolyte Membrane (PEM) fuel cells
(University of the Western Cape, 2010)The main objective of this work it to produce membrane electrode assemblies (MEAs) that have improved performance over MEAs produced by the conventional manner, by producing highly efficient, electroactive, uniform catalyst ... -
Characterization of platinum-group metal nanophase electrocatalysts employed in the direct methanol fuel cell and solid-polymer electrolyte electrolyser
(University of the Western Cape, 2005)Characterization of nanophase electrocatalysts, which are an essential part in the direct methanol fuel cell (DMFC) and solid-polymer electrolyte (SPE) electrolyser, have been studied in this work. Their nanoparticulate ... -
Development of a receptor targeted nanotherapy using a proapoptotic peptide
(University of the Western Cape, 2015)The prevalence of obesity amongst South Africans is alarming, with more than 29% of men and 56% of women considered to be obese. Angiogenesis, a process for development of new blood vessels play a major role in growth and ... -
Development of high performance composite lithium ion battery cathode systems with carbon nanotubes functionalised with bimetallic inorganic nanocrystal alloys
(University of Western Cape, 2011)Lithium ion cathode systems based on composites of lithium iron phosphate (LiFePO₄), iron-cobalt-derivatised carbon nanotubes (FeCo-CNT) and polyaniline (PA) nanomaterials were developed. The FeCo-functionalised CNTs were ... -
The development of nanotechnology-based detection systems for the diagnosis of breast cancer
(University of the Western Cape, 2015)Breast cancer is one of the major causes of death in South Africa. About 1 in 29 South African women are at risk of developing this type of cancer in their lifetime. The global incidence of breast cancer also increases ... -
Development of nanotechnology-based drug delivery and imaging system to the white adipose tissue vasculature using Wistar Rat Model
(University of the Western Cape, 2013)Obesity is a complex metabolic disease of excessive fat accumulation. It is a worldwide epidemic affecting billions of people and its pharmacological management is hampered by drug toxicity and undesirable side effects. ... -
Development of nanotechnology-based therapeutic approaches to treat HIV
(University of the Western Cape, 2012)The rapidly expanding field of nanotechnology has been the focus of many biologists with regard to drug delivery. The ability of nanoparticles to enter cellular compartments makes it possible to explore specific treatment ... -
Discriminative eradication of cancer cells using quantum dots functionalised with peptide-directed delivery of a pro-apoptotic peptide
(2013)The therapeutic goal of cancer treatment is to trigger selective cell death in cancer cells. To eliminate cancerous cells effectively, the anti–cancer drugs must be targeted to the affected cells. However, anti–cancer drugs ... -
Evaluation of the anticancer and molecular effects of green synthesized silver nanoparticles
(University of the Western Cape, 2023)Globally, cancer is considered the second leading cause of death with a staggering tally of 10 million deaths. Breast, lung, colon, rectum and prostate cancers are amongst the most commonly diagnosed cancers. The current ... -
Green synthesis and characterization of silver nanoparticles (AgNPs) from Bulbine frutescens leaf extract and their antimicrobial effects
(University of the Western Cape, 2020)Combating antimicrobial resistant infections caused by nosocomial pathogens poses a major public health problem globally. The widespread use of broad-spectrum antibiotics for the treatment of wound infections has led to ... -
Green synthesis and characterization of silver nanoparticles (AgNPs) from Bulbine frutescens leaf extract and their antimicrobial effects.
(University of the Western Cape, 2020)Combating antimicrobial resistant infections caused by nosocomial pathogens poses a major public health problem globally. The widespread use of broad-spectrum antibiotics for the treatment of wound infections has led to ... -
The interaction between 6 MV X-rays and p(66)/Be neutrons with spherical gold nanoparticles to induce cellular damage
(University of the Western Cape, 2016)Despite the advances in therapies such as chemotherapy and radiotherapy, tumours have been shown to be resistant to the treatments. Gold nanoparticles (AuNPs) have been recognized as effective radiosensitizers of low energy ... -
Investigation of the anti-obesity effects of citrate-capped gold nanoparticles on 3T3-L1 cells and their genetic profiling
(University of the Western Cape, 2023)The incidence and prevalence of obesity and its related diseases has nearly tripled and is increasing at an alarming rate worldwide. Several modern methods for the management and treatment of obesity are available, with ... -
Lithium manganese oxide modified with copper-gold nanocomposite cladding- a potential novel cathode material for spinel type lithium-ion batteries
(University of the Western Cape, 2014)Spinel lithium manganese oxide (LiMn2O4), for its low cost, easy preparation and nontoxicity, is regarded as a promising cathode material for lithium-ion batteries. However, a key problem prohibiting it from large scale ... -
Nano-rods WO3-δ for electrochromic smart windows applications
(University of the Western Cape, 2006)Tungsten oxide is a good electrochromic material which has been used in the construction of smart windows through visible modulation. These smart materials can reversibly change their optical properties with the application ...