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Browsing by Author "Abia, ALK"

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Development of a rapid approach for the enumeration of Escherichia coli in riverbed sediment: case study, the Apies River, South Africa

Author: Abia, ALK ; Ubomba-Jaswa, Eunice ; Ssemakalu, CC ; Momba, MNB Date: Dec 2015 Purpose Research in the last few decades has increasingly demonstrated riverbed sediments as reservoirs of pathogenic bacteria, which could be released into water resources when sediments are resuspended. Current methods for enumerating these ... Read more
The efficiency of a low-cost hydrogen sulphide (H2S) kit as an early warning test for assessing microbial rainwater quality and its correlation with standard indicators microorganisms

Author: Malema, Mokaba S ; Mwenge Kahinda, Jean-Marc ; Abia, ALK ; Tandlich, R ; Zuma, BM ; Ubomba-Jaswa, E Date: Dec 2019 Testing microbial quality of the harvested rainwater remains a challenge in many countries. The H2S test kit is a low-cost microbiological field-based test which can be used in areas where water testing facilities are limited. This study ... Read more
High prevalence of multiple-antibiotic-resistant (MAR) Escherichia coli in river bed sediments of the Apies River, South Africa

Author: Abia, ALK ; Ubomba-Jaswa, Eunice ; Momba, MNB Date: Oct 2015 This study aimed at investigating the presence of antibiotic-resistant Escherichia coli in river bed sediments of the Apies River, Gauteng, South Africa, in order to better inform health management decisions designed to protect users of the ... Read more
Impact of seasonal variation on Escherichia coli concentrations in the riverbed sediments in the Apies River, South Africa

Author: Abia, ALK ; Ubomba-Jaswa, Eunice ; Momba, MNB Date: Dec 2015 Many South Africans living in resource-poor settings with little or no access to pipe-borne water still rely on rivers as alternative water sources for drinking and other purposes. The poor microbial quality of such water bodies calls for ... Read more
Occurrence of diarrhoeagenic Escherichia coli virulence genes in water and bed sediments of a river used by communities in Gauteng, South Africa

Author: Abia, ALK ; Ubomba-Jaswa, Eunice ; Momba, MNB Date: Aug 2016 In most developing countries, especially in Southern Africa, little is known about the presence of diarrhoeagenic Escherichia coli (DEC) pathotypes in riverbed sediments. The present study sought to investigate the presence of DEC virulence ... Read more
Quantitative microbial risk assessment (QMRA) shows increased public health risk associated with exposure to river water under conditions of riverbed sediment resuspension

Author: Abia, ALK ; Ubomba-Jaswa, Eunice ; Genthe, Bettina ; Momba, MNB Date: Oct 2016 Although higher microbial concentrations have been reported in sediments than in the overlying water column, most quantitative microbial risk assessment (QMRA) studies have not clearly indicated the contribution of sediment-borne pathogens ... Read more
Riverbed sediments in the Apies River, South Africa: recommending the use of both Clostridium perfringens and Escherichia coli as indicators of faecal pollution

Author: Abia, ALK ; Ubomba-Jaswa, Eunice ; du Preez, M ; Momba, MNB Date: Dec 2015 Purpose Sediments have been shown to contribute to the microbial quality of the water column during resuspension and serve as reservoirs for potentially pathogenic organisms. Currently, definitive guidelines regarding microbial indicators ... Read more

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Browsing by Author "Abia, ALK"

Browsing by Author "Abia, ALK"

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