Search Results - "Wolfaardt, G.M."

Wastewater-based epidemiology and enantiomeric profiling for drugs of abuse in South African wastewaters by Archer, E., Castrignanò, E., Kasprzyk-Hordern, B., Wolfaardt, G.M.

“…•Wastewater-based epidemiology (WBE) was done for the first time in Africa.•The chiral signature and metabolite ratios suggest predominant…”
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A spatially explicit model of inverse colony formation of cellulolytic biofilms by Eberl, H.J., Jalbert, E.M., Dumitrache, A., Wolfaardt, G.M.

“…•A spatially explicit mathematical model for cellulosic biofilms is proposed.•It is based on the basic principle of competition for space and resources.•It…”
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Microbial communities in low permeability, high pH uranium mine tailings: characterization and potential effects by Bondici, V.F., Lawrence, J.R., Khan, N.H., Hill, J.E., Yergeau, E., Wolfaardt, G.M., Warner, J., Korber, D.R.

“…Aims To describe the diversity and metabolic potential of microbial communities in uranium mine tailings characterized by high pH, high metal concentration and…”
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Biofilm form and function: carbon availability affects biofilm architecture, metabolic activity and planktonic cell yield by Bester, E, Kroukamp, O, Hausner, M, Edwards, E.A, Wolfaardt, G.M

“…Aims: To investigate carbon transformation by biofilms and changes in biofilm architecture, metabolic activity and planktonic cell yield in response to…”
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Biogeochemical activity of microbial biofilms in the water column overlying uranium mine tailings by Bondici, V.F, Khan, N.H, Swerhone, G.D.W, Dynes, J.J, Lawrence, J.R, Yergeau, E, Wolfaardt, G.M, Warner, J, Korber, D.R

“…AIMS: To describe microbial diversity, biofilm composition and biogeochemical potential within biofilms in the water overlying uranium tailings characterized…”
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Microbial distribution and diversity in saturated, high pH, uranium mine tailings, Saskatchewan, Canada by Wolfaardt, G M, Hendry, M J, Korber, D R

“…Microbiological analyses were conducted on core samples collected along a vertical profile (0-66 m below surface) from the tailings management facility (TMF)…”
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Microbial response to environmental gradients in a ceramic-based diffusion system by Wolfaardt, G.M, Hendry, M.J, Birkham, T, Bressel, A, Gardner, M.N, Sousa, A.J, Korber, D.R, Pilaski, M

“…A solid, porous matrix was used to establish steady-state concentration profiles upon which microbial responses to concentration gradients of nutrients or…”
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In situ Characterization of Biofilm Exopolymers Involved in the Accumulation of Chlorinated Organics by G. M. Wolfaardt, Lawrence, J. R., Robarts, R. D., D. E. Caldwell

“…The chemical nature and spatial arrangements of exopolymers in a degradative biofilm community were studied using a panel of fluorescein isothiocynate- and…”
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Occurrence of contaminants of emerging concern in the Eerste River, South Africa: Towards the optimisation of an urban water profiling approach for public- and ecological health risk characterisation by Archer, E., Holton, E., Fidal, J., Kasprzyk-Hordern, B., Carstens, A., Brocker, L., Kjeldsen, T.R., Wolfaardt, G.M.

“…The study evaluated the presence and fate of various contaminants of emerging concern (CECs) from a South African wastewater treatment works (WWTW) and surface…”
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Distribution and biogeochemical importance of bacterial populations in a thick clay-rich aquitard system by Lawrence, J. R, Hendry, M. J, Wassenaar, L. I, Germida, J. J, Wolfaardt, G. M, Fortin, N, Greer, C. W

“…To investigate the distribution of microbial biomass, populations and activities within a clay-rich, low hydraulic conductivity (10⁻¹¹ to 10⁻¹² m s⁻¹) aquitard…”
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Microbial metabolism in bentonite clay: Saturation, desiccation and relative humidity by Stone, W., Kroukamp, O., McKelvie, J., Korber, D.R., Wolfaardt, G.M.

“…Within a Deep Geological Repository for used nuclear fuel storage, compacted bentonite clays are the candidate buffer due to their physical and rheological…”
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Biofilm form and function: carbon availability affects biofilm architecture, metabolic activity and planktonic cell yield: Carbon availability affects biofilm form function by Bester, E., Kroukamp, O., Hausner, M., Edwards, E.A., Wolfaardt, G.M.

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Adhesion of Lactobacillus plantarum 423 and Lactobacillus salivarius 241 to the intestinal tract of piglets, as recorded with fluorescent in situ hybridization (FISH), and production of plantaricin 423 by cells colonized to the ileum by Maré, L., Wolfaardt, G.M., Dicks, L.M.T.

“…Aims:  To determine which intestinal section of pre and postweaned piglets are colonized by Lactobacillus plantarum 423 and Lactobacillus salivarius 241, and…”
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Bacterial diversity and composition of an alkaline uranium mine tailings-water interface by Khan, N.H., University of Saskatchewan, Saskatoon, Canada, Bondici, V.F., University of Saskatchewan, Saskatoon, Canada, Medihala, P.G., University of Saskatchewan, Saskatoon, Canada, Lawrence, J.R., Environment Canada, Saskatoon, Canada, Wolfaardt, G.M., Ryerson University, Toronto, Canada, Warner, J., Cameco Corporation, Saskatoon, Canada, Korber, D.R., University of Saskatchewan, Saskatoon, Canada

“…The microbial diversity and biogeochemical potential associated with a northern Saskatchewan uranium mine water-tailings interface was examined using…”
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High resolution gravimetric, optical and electrochemical investigations of microbial biofilm formation in aqueous systems by Bressel, A., Schultze, J.W., Khan, W., Wolfaardt, G.M., Rohns, H.-P., Irmscher, R., Schöning, M.J.

“…The formation of microbial biofilms on metallic surfaces was studied by combination of gravimetric, optical and electrochemical methods with high local…”
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Substratum topography influences susceptibility of Salmonella enteritidis biofilms to trisodium phosphate by Korber, D.R, Choi, A, Wolfaardt, G.M, Ingham, S.C, Caldwell, D.E

“…Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon…”
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Response of the microbial community to copper oxychloride in acidic sandy loam soil by Du Plessis, K.R., Botha, A., Joubert, L., Bester, R., Conradie, W.J., Wolfaardt, G.M.

“…Aims:  Determining the response of different microbial parameters to copper oxychloride in acidic sandy loam soil samples using cultivation‐dependent and…”
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Bacterial plasmolysis as a physical indicator of viability by Korber, D.R. (University of Saskatchewan, Saskatoon, Saskatchewan, Canada.), Choi, A, Wolfaardt, G.M, Caldwell, D.E

“…Bacterial plasmolytic response to osmotic stress was evaluated as a physical indicator of membrane integrity and hence cellular viability. Digital image…”
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Shifts in community composition provide a mechanism for maintenance of activity of soil yeasts in the presence of elevated copper levels by Cornelissen, S, Botha, A, Conradie, W J, Wolfaardt, G M

“…Soil dilution plates were prepared from different soil samples using a solid synthetic selective medium containing (i). glucose as carbon source, (ii). thymine…”
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Efficacy enhancement of trisodium phosphate against spoilage and pathogenic bacteria in model biofilms and on adipose tissue by Korber, D R, Greer, G G, Wolfaardt, G M, Kohlman, S

“…A two-step approach for enhancing the efficacy of trisodium phosphate (TSP) was evaluated using meat spoilage and pathogenic bacteria in flow cell biofilms and…”
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