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Browsing by Author "Schaefer, Lisa M"

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An analysis of engineered nanomaterial characteristics reported in aquatic nanotoxicity studies: 2004-2013

Author: Thwala, Melusi ; Mahaye, N ; Schaefer, Lisa M ; Musee, N Date: Apr 2014 In this study, we employed bibliometric techniques to analyse engineered nanomaterials (ENMs) characterization data published in peer-reviewed aquatic nanoecotoxicity hosted in the International Council on Nanotechnology (ICON) and Web of ... Read more
Biological regeneration of ferric ("Fe3+") solution during desulphurisation of gaseous streams: effect of nutrients and support material

Author: Mulopo, J ; Schaefer, Lisa M Date: Mar 2015 This paper evaluates the biological regeneration of ferric Fe3+ solution during desulphurisation of gaseous streams. Hydrogen sulphide (H2S) is absorbed into aqueous ferric sulphate solution and oxidised to elemental sulphur, while ferric ... Read more
Effect of the addition of zero valent iron (Fe0) on the batch biological sulphate reduction using grass cellulose as carbon source

Author: Mulopo, J ; Schaefer, Lisa M Date: Sep 2013 Mineral mining generates acidic, saline, metal-rich mine waters, often referred to as acid mine drainage (AMD). Treatment of AMD and recovering saleable products during the treatment process are a necessity since water is, especially in South ... Read more
Fate and behavior of ZnO- and Ag-engineered nanoparticles and a bacterial viability assessment in a simulated wastewater treatment plant

Author: Musee, N ; Zvimba, JN ; Schaefer, Lisa M ; Nota, N ; Sikhwivhilu, LM ; Thwala, Melusi Date: 2014 The fate and behaviour assessment of ZnO- and Ag-engineered nanoparticles (ENPs) and bacterial viability in a simulated wastewater treatment plant (WWTP) fed with municipal wastewater was investigated through determination of ENPs stability ... Read more
Fate of Salmonella Typhimurium in laboratory-scale drinking water biofilms

Author: Schaefer, Lisa M ; Brözel, VS ; Venter, SN Date: Aug 2013 Investigations were carried out to evaluate and quantify colonization of laboratory-scale drinking water biofilms by a chromosomally green fluorescent protein (gfp)-tagged strain of Salmonella Typhimurium. Gfp encodes the green fluorescent ... Read more
Microbial water quality in the upper Olifants River catchment: implications for health

Author: Le Rouw, Wouter J ; Schaefer, Lisa M ; Genthe, Bettina Date: Oct 2012 A quantitative microbial risk assessment of water in the upper Olifants River catchment showed that sections of the catchment are highly contaminated with faecal indicator bacteria and pathogenic micro-organisms and that the polluted waters ... Read more
Microbial water quality in the upper Olifants River catchment: implications for health

Author: Le Rouw, Wouter J ; Schaefer, Lisa M ; Genthe, Bettina Date: Sep 2012 The Olifants river has been described as one of the most environmentally polluted rivers in Southern Africa, particularly in the upper catchment. Untreated water from the catchment may be used for many purposes including irrigation, recreation, ... Read more
Potential risks of nanotechnology to humans and environment: implications and response mechanisms in Africa

Author: Musee, N ; Sikhwivhilu, L ; Nota, N ; Schaefer, Lisa M Date: Nov 2011 Historically, development of mankind has been closely intertwined with scientific and technological advancements. In the 21st century, nanotechnology has emerged as an enabling technology with enormous potential of revolutionizing social, ... Read more
Wastewater-based genomic and epidemiological monitoring of SARS-CoV-2, South Africa, 2020-2021

Author: McCarthy, K ; Rachida, S ; Yousif, M ; Ndlovu, N ; Howard, W ; Moonsamy, S ; Iwu-Jala, C ; Ismael, A ; Schaefer, Lisa M ; Le Roux, Wouter J Date: Dec 2021 Findings from wastewater-based epidemiology (WBE) surveillance of SARS-CoV-2 are increasingly used to monitor the epidemiology of SARS-CoV-2. We report on the findings from the South African Collaboration COVID-19 Environmental Surveillance ... Read more

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Browsing by Author "Schaefer, Lisa M"

Browsing by Author "Schaefer, Lisa M"

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All of ResearchSpace

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