• Synthesis of magnetic nanoadsorbents derived from maize waste and their application for the adsorptive removal of selected heavy metal ions from wastewater samples 

  Mahlaule Glory, Louisah Mmabaki (2024-05)

  Over the past few years, heavy metal ion (HMI) pollution has become a crucial matter due to their threat to human health and ecological systems.,. Furthermore, HMIs have been reported to be hazardous, persistent, and in ...
• Development of novel mesoporous magnetic adsorbents from industrial waste and their application for removal of lead and efavirenz in aqueous solutions 

  Kgoedi, Thabang (2024-02)

  Industrial waste materials have garnered increased attention as viable adsorbents that could be used for the extraction of heavy metals and organic pollutants from wastewater. This is primarily due to their abundant ...
• Potential-dependent real-time multidrug sensing with screen printed manganese oxide electrode platform 

  Mokaba, Pheladi Lizzy (2024-02-23)

  Emerging pollutants (EPs) provide a new global water quality concern, potentially posing a major damage to human health and the surrounding. Pharmaceuticals, extensively used in both human and veterinary medicine, have ...
• Methods development for determination of neonicotinoid pesticides from selected vegetable oils using hplc-dad 

  Victoria, Sengane Musiiwa (2024-02-29)

  The neonicotinoid pesticides (NEOs) have been used over the years for plant protection. The use of these NEOs on crops and oil seed plants has led to vegetable oil and crop produce contamination. The four selected NEOs for ...
• Development of greener ultrasound and microwave-based sample preparation methods for spectroscopic determination of heavy metals in pet food samples 

  Ncube, Nomatter (2024-02-27)

  Contamination of pet food with heavy metals is a crucial problem worldwide and it results in adverse health effects on pets, massive recall of the product, damaging of the brand name and financial loss. Therefore, researchers ...
• Evaluation of microextraction methods followed by inductively coupled plasma optical-emission spectroscopy for the quantitave determination of mercury from selective fossil fuels and their derivatives 

  Kiwanuka, Mxolisi Junior (2024-02-29)

  Microextraction sample preparation methods are miniaturized formats which contributes to green approaches in Analytical Chemistry. They are mainly characterized by the minimum use of organic solvents. The aim of this ...
• Development of nafion/ palladium nanofiller as nanocomposite membrane for fuel cell applications 

  Mothibi, Mokone Constance Selina (2024-01)

  The nanocomposite membranes were fabricated by incorporating palladium nanoparticles into Nafion® matrix to develop suitable membrane to be used as polymer electrolyte membrane (PEM) in Direct Methanol Fuel Cell (DMFC). ...
• Co-crystal engineering of phthalic acid derivatives with nitrogen-containing heterocyclic active pharmaceutical ingredients 

  Bourletidis, Jeraldine Michaela Maire (2024-02-28)

  Fifteen heterocyclic active pharmaceutical ingredients were co-crystallized with phthalic acid derivatives, resulting in three series of co-crystals. Niacinamide, modified isoniazid (isoniazid modified with benzaldehyde), ...
• Silica immobilized porphyrin-culnS2/ZnS quantum dot conjugates for coliform bacteria photoinactivation in water 

  Ndlovu, Knowledge Siyabonga (2024-01-26)

  Chlorination is a widely used chemical disinfection technique in South African water treatment facilities. However, it fails to combat emerging pollutants, drug resistant microbes and carcinogenic by-products, resulting ...
• Ab initio molecular orbital theoretical studies of the molecular complexes of boron trifluoride and oxygen electron donor ligands 

  Modau, Eric (2021-10)

  The optimized geometrical structures, the interaction energies, the basis set superposition errors (BSSEs) and the infrared spectra of the monomers, homodimers and the molecular complexes formed between BF3 and a number of ...
• An investigation into the biodegradability of natural organic matter (NOM) and the resulting potential of biodegradable NOM fractions to form disinfection by-products 

  Sambo, Sifiso Penuel (2020-02)

  Not only does the presence of excessive levels of natural organic matter (NOM) in surface waters affect the raw water quality, but it also impacts the water treatment and supply processes. Other notable challenges caused ...
• The removal of dissolved organic matter (DOM) from water using photocatalysis coupled with coagulation 

  Moss, Lerato (2024)

  Dissolved organic matter (DOM) comprises of both synthetic and natural organic compounds such as pharmaceuticals, pesticides, natural organic matter (NOM), found in the environment. Most of the DOM pollute drinking water ...
• A three step approach to the degradation of natural organic matter (NOM) from water sources 

  Ndlangamandla, Nqobile Gugulethu (2017-06)

  Natural Organic Matter (NOM) is a complex blend of organic compounds that forms naturally via the degradation of plant and animal materials into water sources. NOM in water negatively affects water quality (by causing odor, ...
• Fabrication and chararcterization of spectrally selective solar absorber copper oxide (CuO) nanocoatings for photothermal application 

  Welegers, Giday Gebregziabher (2022-11)

  Solar-to-thermal energy is considered to be the most direct way of converting solar radiation into usable forms of energy for a wide range of applications, including seawater desalination, heating water, photocatalysis, ...
• Photodynamic antimicrobial chemotherapy activities of modified carbocyanine-zinc oxide nanoparticle- and nanoflower-based nanoconjugates 

  Khorae, Mpho Gift (2023-02-17)

  The continuously rising cases of antibiotic resistance and pathogenic bacterial mutations pose a serious medical problem. Microorganisms are ubiquitous because they can adapt to conditions in any environment. They can ...
• Fabrication of electrochemical sensors using manganese oxide nanostructure- and cobalt oxide nanostructure-decorated ytterbium nanorods as electrocatalysts for the detection of flutamide, bicalutamide and hydroxyflutamide in spiked samples 

  Ravele, Thompho (2023-02-22)

  Anti-androgens (AAs) are a class of pharmaceutical drugs used to treat prostate cancer. Over the years, prostate cancer has been reported as the most frequent cancer diagnosis in men and the leading cause of mortality ...
• The cytotoxic effect and molecular targets of ezetimibe in A549 lung cancer cells 

  Munnik, Chamone (2023)

  The p53 gene is a well-known tumour suppressor gene, shown to be dysfunctional in more than 50% of human malignancies. The cellular significance of this oncogene is evident in a series of diverse cellular antiproliferation ...
• Evaluation and optimization of a stand-alone solar driven membrane filtration system for surface water treatment 

  Kajau, Tatenda Alfred (2022-02)

  South Africa is classified as a water-stressed country and is faced with widespread water scarcity. Water scarcity is worse in rural areas of the country where a third of the population still reside. This is due to low ...
• Rational design of metal-organic framework (MOF)-based supercapacitor electrodes for enhanced energy storage 

  Opeyemi, Otun Kabir (2021-11)

  Metal-organic frameworks (MOFs) are gaining popularity as a new electrode material for supercapacitor applications, due to their large specific surface area, excellent tunability and unique pore characteristics. Yet, ...
• Carbon nanotube membranes for brackish groundwater desalination and removal of organic micropollutants from water 

  Gumbi, Nozipho Nonsikelelo (2019-07)

  This thesis reports on the synthesis and characterisation of various types of oxidised multiwalled carbon nanotubes (O-MWCNTs) modified polymeric membranes. These OMWCNT modified polymeric membranes were then assessed in ...

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