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2014 Journal Article A novel microwell-based analytical technique for studying ferrous iron biooxidation activityMeissner, Murray P., Xu, Zhehua, Jones, Gavin C., Minnaar, Susanna H. and Harrison, Susan T.L. (2014). A novel microwell-based analytical technique for studying ferrous iron biooxidation activity. Minerals Engineering, 60, 8-13. doi: 10.1016/j.mineng.2014.01.012 |
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2014 Journal Article Effect of inoculum size on the rates of whole ore colonisation of mesophilic, moderate thermophilic and thermophilic acidophilesTupikina, Olga V., Minnaar, Susanna H., Rautenbach, George F., Dew, David W. and Harrison, Susan T.L. (2014). Effect of inoculum size on the rates of whole ore colonisation of mesophilic, moderate thermophilic and thermophilic acidophiles. Hydrometallurgy, 149, 244-251. doi: 10.1016/j.hydromet.2013.10.010 |
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2014 Journal Article The effect of degree and timing of nitrogen limitation on lipid productivity in Chlorella vulgarisGriffiths, Melinda J., Van Hille, Robert P. and Harrison, Susan T. L. (2014). The effect of degree and timing of nitrogen limitation on lipid productivity in Chlorella vulgaris. Applied Microbiology and Biotechnology, 98 (13), 6147-6159. doi: 10.1007/s00253-014-5757-9 |
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2014 Journal Article Aeration energy requirements for lipid production by Scenedesmus sp. in airlift bioreactorsJones, Sarah M.J. and Harrison, Susan T.L. (2014). Aeration energy requirements for lipid production by Scenedesmus sp. in airlift bioreactors. Algal Research, 5 (1), 249-257. doi: 10.1016/j.algal.2014.03.003 |
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2014 Journal Article MRI and gravimetric studies of hydrology in drip irrigated heaps and its effect on the propagation of bioleaching micro-organismsFagan, Marijke A., Ngoma, I. Emmanuel, Chiume, Rebecca A., Minnaar, Sanet, Sederman, Andrew J., Johns, Michael L. and Harrison, Susan T.L. (2014). MRI and gravimetric studies of hydrology in drip irrigated heaps and its effect on the propagation of bioleaching micro-organisms. Hydrometallurgy, 150, 210-221. doi: 10.1016/j.hydromet.2014.04.022 |
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2013 Journal Article Determining the effect of acid stress on the persistence and growth of thermophilic microbial species after mesophilic colonisation of low grade ore in a heap leach environmentTupikina, O. V., Minnaar, S. H., Van Hille, R. P., Van Wyk, N., Rautenbach, G. F., Dew, D. and Harrison, S. T.L. (2013). Determining the effect of acid stress on the persistence and growth of thermophilic microbial species after mesophilic colonisation of low grade ore in a heap leach environment. Minerals Engineering, 53, 152-159. doi: 10.1016/j.mineng.2013.07.015 |
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2013 Journal Article A comparison of pyrrhotite rejection and passivation in two nickel oresChimbganda, T., Becker, M., Broadhurst, J. L., Harrison, S. T.L. and Franzidis, J. P. (2013). A comparison of pyrrhotite rejection and passivation in two nickel ores. Minerals Engineering, 46-47, 38-44. doi: 10.1016/j.mineng.2013.03.031 |
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2013 Journal Article Flotation of coal and sulphur from South African ultrafine colliery wastesMbamba, C. Kazadi, Franzidis, J. P., Harrison, S. T.L. and Broadhurst, J. L. (2013). Flotation of coal and sulphur from South African ultrafine colliery wastes. Journal of the Southern African Institute of Mining and Metallurgy, 113 (5), 399-405. |
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2013 Journal Article Reactive oxygen species generated in the presence of fine pyrite particles and its implication in thermophilic mineral bioleachingJones, G. C., Van Hille, R. P. and Harrison, S. T.L. (2013). Reactive oxygen species generated in the presence of fine pyrite particles and its implication in thermophilic mineral bioleaching. Applied Microbiology and Biotechnology, 97 (6), 2735-2742. doi: 10.1007/s00253-012-4116-y |
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2013 Journal Article The effect of sulfide concentrate mineralogy and texture on Reactive Oxygen Species (ROS) generationJones, Gavin C., Becker, Megan, van Hille, Robert P. and Harrison, Susan T.L. (2013). The effect of sulfide concentrate mineralogy and texture on Reactive Oxygen Species (ROS) generation. Applied Geochemistry, 29, 199-213. doi: 10.1016/j.apgeochem.2012.11.015 |
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2013 Journal Article Attachment of Acidithiobacillus ferrooxidans and Leptospirillum ferriphilum cultured under varying conditions to pyrite, chalcopyrite, low-grade ore and quartz in a packed column reactorAfrica, Cindy-Jade, Van Hille, Robert P. and Harrison, Susan T. L. (2013). Attachment of Acidithiobacillus ferrooxidans and Leptospirillum ferriphilum cultured under varying conditions to pyrite, chalcopyrite, low-grade ore and quartz in a packed column reactor. Applied Microbiology and Biotechnology, 97 (3), 1317-1324. doi: 10.1007/s00253-012-3939-x |
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2013 Journal Article The influence of microbial physiology on biocatalyst activity and efficiency in the terminal hydroxylation of n-octane using Escherichia coli expressing the alkane hydroxylase, CYP153A6Olaofe, Oluwafemi A., Fenner, Caryn J., Gudiminchi, Rama Krishna, Smit, Martha S. and Harrison, Susan T.L. (2013). The influence of microbial physiology on biocatalyst activity and efficiency in the terminal hydroxylation of n-octane using Escherichia coli expressing the alkane hydroxylase, CYP153A6. Microbial Cell Factories, 12 (1) 8. doi: 10.1186/1475-2859-12-8 |
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2013 Journal Article Quantification of growth and colonisation of low grade sulphidic ores by acidophilic chemoautotrophs using a novel experimental systemGovender, Elaine, Bryan, Christopher G. and Harrison, Susan T.L. (2013). Quantification of growth and colonisation of low grade sulphidic ores by acidophilic chemoautotrophs using a novel experimental system. Minerals Engineering, 48, 108-115. doi: 10.1016/j.mineng.2012.09.010 |
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2013 Journal Article Phase distribution identification in the column leaching of low grade ores using MRIFagan, M. A., Sederman, A. J., Harrison, S. T.L. and Johns, M. L. (2013). Phase distribution identification in the column leaching of low grade ores using MRI. Minerals Engineering, 48, 94-99. doi: 10.1016/j.mineng.2012.10.005 |
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2013 Journal Article Technologies for recovery of energy from wastewaters: Applicability and potential in South AfricaStafford, William, Cohen, Brett, Pather-Elias, Simisha, von Blottnitz, Harro, van Hille, Robert, Harrison, Sue T.L. and Burton, Stephanie G (2013). Technologies for recovery of energy from wastewaters: Applicability and potential in South Africa. Journal of Energy in Southern Africa, 24 (1), 15-26. doi: 10.17159/2413-3051/2013/v24i1a3003 |
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2013 Journal Article Investigation and in situ visualisation of interfacial interactions of thermophilic microorganisms with metal-sulphides in a simulated heap environmentAfrica, Cindy-Jade, Van Hille, Robert P., Sand, Wolfgang and Harrison, Susan T.L. (2013). Investigation and in situ visualisation of interfacial interactions of thermophilic microorganisms with metal-sulphides in a simulated heap environment. Minerals Engineering, 48, 100-107. doi: 10.1016/j.mineng.2012.09.011 |
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2012 Journal Article Microbial colonisation in heaps for mineral bioleaching and the influence of irrigation rateChiume, R., Minnaar, S. H., Ngoma, I. E., Bryan, C. G. and Harrison, S. T.L. (2012). Microbial colonisation in heaps for mineral bioleaching and the influence of irrigation rate. Minerals Engineering, 39, 156-164. doi: 10.1016/j.mineng.2012.07.002 |
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2012 Journal Article Whole-cell hydroxylation of n-octane by Escherichia coli strains expressing the CYP153A6 operonGudiminchi, Rama Krishna, Randall, Charlene, Opperman, Diederik J., Olaofe, Oluwafemi A., Harrison, Susan T.L., Albertyn, Jacobus and Smit, Martha S. (2012). Whole-cell hydroxylation of n-octane by Escherichia coli strains expressing the CYP153A6 operon. Applied Microbiology and Biotechnology, 96 (6), 1507-1516. doi: 10.1007/s00253-012-3984-5 |
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2012 Journal Article An experimental study of the long-term bioleaching of large sphalerite ore particles in a circulating fluid fixed-bed reactorGhorbani, Yousef, Petersen, Jochen, Harrison, Susan T.L., Tupikina, Olga V., Becker, Megan, Mainza, Aubrey N. and Franzidis, Jean-Paul (2012). An experimental study of the long-term bioleaching of large sphalerite ore particles in a circulating fluid fixed-bed reactor. Hydrometallurgy, 129-130, 161-171. doi: 10.1016/j.hydromet.2012.07.009 |
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2012 Journal Article A critical evaluation of CO 2 supplementation to algal systems by direct injectionLangley, N. M., Harrison, S. T.L. and van Hille, R. P. (2012). A critical evaluation of CO 2 supplementation to algal systems by direct injection. Biochemical Engineering Journal, 68, 70-75. doi: 10.1016/j.bej.2012.07.013 |
