Browsing by Title
Now showing items 3993-4012 of 8878
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Graphenated polyaniline nanocomposite for the determination of polyaromatic hydrocarbons (pahs) in water
(2013)The thesis presents a simple, sensitive, low cost and a novel graphenated polyaniline doped tungsten trioxide nanocomposite, as an electrochemical sensor for the detection and quantitative and determination of PAHs, which ... -
Graphene based materials for carbon capture
(University of Western Cape, 2020)The adverse effects of CO2 and greenhouse gas emissions into the atmosphere is believed to be one of the causes of climate change. The seriousness of global warming is encouraging the development of technologies designed ... -
Graphene based nano-coatings: synthesis and physical-chemical investigations
(UWC, 2012)It is well known that a lead pencil is made of graphite, a naturally form of carbon, this is important but not very exciting. The exciting part is that graphite contains stacked layers of graphene and each and every layer ... -
Graphene modified Salen ligands for the electrochemical determination of heavy metal ions
(University of Western Cape, 2020)Environmental pollution is a major threat to all life, which needs to be addressed. Heavy metals are well-known environmental pollutants due to their toxicity and, persistence in the environment toxicity for living organisms ... -
Graphene supported antimony nanoparticles on carbon electrodes for stripping analysis of environmental samples
(University of the Western Cape, 2015)Platinum Group Metals (PGMs), particularly palladium (Pd), platinum (Pt) and rhodium (Rh) have been identified as pollutants in the environment due to their increased use in catalytic converters and mining in South Africa ... -
Graphene-modified pencil graphite bismuth-film electrodes for the determination of heavy metals in water samples using anodic stripping voltammetry
(University of the Western Cape, 2013)Electrochemical platforms were developed based on pencil graphite electrodes (PGEs) modified with electrochemically deposited graphene (EG) sheets and Nafion-graphene (NG) nanocomposites in conjunction with an in situ ... -
Graphene-modified pencil graphite mercury-film electrodes for the determination of trace metals by cathodic adsorptive stripping voltammetry
(University of the Western Cape, 2018)This project focuses on the simple, fast and highly sensitive adsorptive stripping voltammetry detection of Nickel and Cobalt complexed with DMG and Nioxime respectively at a Reduced Graphene Oxide modified pencil graphite ... -
Graphenised Lithium Iron Phosphate and Lithium Manganese Silicate Hybrid Cathode Systems for Lithium-Ion Batteries
(University of the Western Cape, 2017)This research was based on the development and characterization of graphenised lithium iron phosphate-lithium manganese silicate (LiFePO4-Li2MnSiO4) hybrid cathode materials for use in Li-ion batteries. Although previous ... -
Graphol and vanadia-link zin doped lithium manganese silicate nanoarchitectonic platforms for supercapatteries
(University of the Western Cape, 2020)Energy storage technologies are rapidly being developed due to the increased awareness of global warming and growing reliance of society on renewable energy sources. Among various electrochemical energy storage ... -
Graphol and vanadia-linkedzink-doped lithium manganese silicate nanoarchitectonic platforms for supercapatteries
(University of Western cape, 2020)Energy storage technologies are rapidly being developed due to the increased awareness of global warming and growing reliance of society on renewable energy sources. Among various electrochemical energy storage technologies, ... -
Graphs of integral distance and their properties
(University of Western Cape, 2021)Understanding the geometries of points in space has been attractive to mathematicians for ages. As a model, twelve years ago, Kurz and Meyer [32] considered point sets in the m-dimensional a ne space Fmq over a nite ... -
Grassroots participation in policy processes and service delivery: a case study of the western Cape provincial department of social services.:
(University of the Western Cape, 2000)Grassroots participation in the domain of public policy is assuming global significance particularly in the fields of welfare and development. Revived by the United Nations' resolution in the 1970s, many governments both ... -
Grazing rights in communal areas of a post-independent Namibia: a case study of a grazing dispute in western Kavango region
(University of the Western Cape, 2014)This dissertation aims at understanding the legal implications of a grazing dispute that was reported in the western Kavango Region a few years after Namibia’s Independence in 1990. This dispute which was between Ovawambo ... -
Green drop programme in South Africa: The role of institutional commitment in sustainable water resources management: Western Cape, South Africa
(University of the Western Cape, 2022)Incentive-based regulation is a key driver of change to improve wastewater management and sustainable water resource management. Although the Green Drop Certification program has existed since 2009, no academic studies ... -
Green synthesis and characterization of gold nanoparticles from South African plants and their biological evaluations
(University of the Western Cape, 2019)The field of nanotechnology continues to offer solutions for biotechnologists whose target is to improve the quality of life by finding new therapies to combat diseases. Gold nanoparticles (AuNPs) have been showing great ... -
Green Synthesis and characterization of gold Nanoparticles using Green Alga Ulva Lactuca and evaluation of their Catalytric Role
(University of the Western Cape, 2016)Nanoparticles synthesized using typical chemical procedures have associated environmental risks because of the use of hazardous chemicals. With the ever-increasing potential application for nanomaterials, there is a growing ... -
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 ... -
Green synthesis of novel nanostructured silicon semiconductor thin film material from sugarcane bagasse ash for solar energy materials
(University of the Western Cape, 2022)The sun is considered the most abundant source of renewable and clean energy. With silicon being the most common element used for the direct conversion of solar energy into electrical energy, solar cells have, over the ... -
Green synthesis of silver nanoparticles using honey from the meliponinae stingless bee species and antibacterial studies.
(University of the Western Cape, 2023)Green synthesis of silver nanoparticles (AgNPs) is an environmentally friendly approach for preparing nanoparticles using biological sources as the reducing agent. Apart from using plant extracts, honey, that is used in ...
