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Browsing by UP Author "Burton, Stephanie G."
Now showing items 1-17 of 17
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Faller, F.; Burton, Stephanie G.; Kaniki, A.; Leitch, A.; Ntshoe, I. (Higher Education South Africa (HESA), 2023-05)This article applies findings from the recent national review of South African doctoral qualifications to examine ways in which universities interpret the formulation of, and apply in the context of a differentiated higher ...
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Burton, Stephanie G.; Faller, Francis; Kaniki, Andrew; Leitch, Andrew; Ntshoe, Isaac (Academy of Science of South Africa, 2022-11)SIGNIFICANCE : The recently completed national review of the doctoral qualifications offered by South African higher education institutions has provided important insights into the national landscape of doctoral education, ...
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Ramond, Jean-Baptiste; Welz, Pamela J.; Tuffin, Marla I.; Burton, Stephanie G.; Cowan, Don A. (Wiley-Blackwell, 2013)AIMS : To assess the impact of winery wastewater (WW) on biological sand filter (BSF) bacterial community structures, and to evaluate whether BSFs can constitute alternative and valuable treatment- processes to remediate ...
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Loftie-Eaton, Wesley; Taylor, Mark; Horne, Kerry; Tuffin, Marla I.; Burton, Stephanie G.; Cowan, Don A. (Wiley-Blackwell, 2013-04)Geobacillus thermoglucosidasius is a Gram-positive, thermophilic bacterium capable of ethanologenic fermentation of both C5 and C6 sugars and may have possible use for commercial bioethanol production [Tang et al., 2009; ...
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Adelakun, Oluyemisi E.; Kudanga, Tukayi; Green, Ivan R.; Le Roes-Hill, Marilize; Burton, Stephanie G. (Elsevier, 2012-12)2,6-Dimethoxyphenol is a phenolic compound that is extensively used for the measurement of laccase activity, but is often not exploited for its potential as an antioxidant compound. Since laccase can be used to modify ...
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Musengi, Amos; Khan, Nuraan; Le Roes-Hill, Marilize; Pletschke, Brett I.; Burton, Stephanie G. (Wiley, 2014-03)AIMS : To optimise peroxidase production by Streptomyces sp. strain BSII#1, up to 3 l culture volumes. METHODS AND RESULTS : Peroxidase production by Streptomyces sp. strain BSII#1 was optimised in terms of production ...
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Burton, Stephanie G. (2014-05)The paper focuses on the iterative relationship between planning and review, and the use of performance indicators in annual cycles of research review and realignment. In a large, complex institution such as the University ...
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Welz, Pamela J..; Ramond, Jean-Baptiste; Cowan, Don A.; Burton, Stephanie G.; Le Roes-Hill, Marilize (Springer, 2014-03)The formation of environmentally toxic acidic waste from mining activities is a world-wide problem. Neutralization of this waste can be accomplished by physicochemical and/or biological means. In this short-term study, ...
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Du Preez, Ryne; Clarke, Kim G.; Callanan, Linda H.; Burton, Stephanie G. (Elsevier, 2015-06)Immobilised enzyme-catalysed conversions frequently provide specific advantages of selectivity overchemical conversions and further, facilitate continuous operation through biocatalyst retention andreuse. This study focuses ...
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Le Roes-Hill, Marilize; Palmer, Zaida; Rohland, Jeffrey; Kirby, Bronwyn M.; Burton, Stephanie G. (Elsevier, 2015-12)Actinomycetes are a ubiquitous group of bacteria, and are hypothesised to produce tyrosinases for pro-tection against the potential toxic effect of phenolic compounds and for the production of melanin. In thisstudy, ...
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Musengi, Amos; Durrell, Kim; Prins, Alaric; Khan, Nuraan; Agunbiade, Mayowa; Kudanga, Tukayi; Kirby-McCullough, Bronwyn; Pletschke, Brett I.; Burton, Stephanie G.; Le Roes-Hill, Marilize (Elsevier, 2020-11)The extracellular peroxidase from Streptomyces albidoflavus BSII#1 was purified to near homogeneity using sequential steps of acid and acetone precipitation, followed by ultrafiltration. The purified peroxidase was ...
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Pepper, Michael Sean; Burton, Stephanie G. (Health and Medical Publishing Group, 2020-08)The COVID-19 pandemic has had a major impact on research at universities. Universities around the world, including in South Africa, have been or are still closed as part of national lockdown strategies. Students have not ...
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Selection of Clostridium spp. in biological sand filters neutralizing synthetic acid mine drainage Ramond, Jean-Baptiste; Welz, Pamela J.; Le Roes-Hill, Marilize; Tuffin, Marla I.; Burton, Stephanie G.; Cowan, Don A. (Wiley-Blackwell, 2014-03)In this study, three biological sand filter (BSF) were contaminated with a synthetic iron- [1500 mg L⁻¹ Fe(II), 500 mg L⁻¹ Fe(III)] and sulphate-rich (6000 mg L⁻¹ SO₄²⁻) acid mine drainage (AMD) (pH = 2), for 24 days, to ...
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Ramond, Jean-Baptiste; Tuffin, Marla I.; Welz, Pamela J.; Burton, Stephanie G.; Cowan, Don A. (Springer, 2013-10)Agri effluents such as winery or olive mill wastewaters are characterized by high phenolic concentrations. These compounds are highly toxic and generally refractory to biodegradation. Biological sand filters (BSFs) ...
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Ntshoe, I.; Faller, F.; Burton, Stephanie G.; Kaniki, A.; Leitch, A. (Stellenbosch University, 2024-06)Varying views have been expressed about the purpose(s) of doctoral studies and qualifications. The views have been changing over time, as have the factors inducing the changes. This article examines a range of such factors, ...
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Technologies for recovery of energy from wastewaters : applicability and potential in South Africa Stafford, W.H.L. (William); Cohen, Brett; Pather-Elias, Simisha; Von Blottnitz, Harro; Van Hille, Robert; Harrison, Sue T.L.; Burton, Stephanie G. (Energy Research Insitute, University of Cape Town, 2013-02)This study explored technologies for recovering energy from wastewater through production of biomass, combustion and gasification, generation of biogas, production of bioethanol, heat recovery and microbial fuel cells. A ...
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Cowan, Don A.; Burton, Stephanie G.; Rybicki, E.P.; Williamson, A.-L.; Dorrington, R.A.; Pepper, Michael Sean (Health and Medical Publishing Group, 2021-05)The current SARS-CoV-2 pandemic has brought a number of major global clinical, sociological and economic issues into sharp focus. We address some of these issues, focusing on short-term factors such as virus mutations and ...
Now showing items 1-17 of 17