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Publications

Luyt, C. D., Tandlich, R., Muller, W. J., Wilhelmi, B. S. (2012) Microbial monitoring of surface water resources in South Africa, International Journal of Environmental Research and Public Health, In press

Šmogrovicová D., Nádaský P., Tandlich R., Wilhelmi B.S., and Cambray G. (2012) Analytical and aroma profiles of Slovak and South African meads, Czech Journal of Food Sciences. 30, 241-247.

Mack, C-L, Wilhelmi, B, Duncan, J.R., and Burgess, J. (2011) Biosorptive recovery of platinum group metal refining wastewaters by immobilised Saccharomyces cerevisiae, Water Science and Technology, 63 (1), 149-155

Kgopa, A.H., Bulani, S.I., Wilhelmi, B.S. and Brand, J.M. (2010) Antioxidant activity of selected plants of the Great Fish River Reserve, Eastern Cape, South Africa, African Journal of Range and Forage Science, 27 (2), 109-112

Mutanda, T., Wilhelmi B. and Whiteley C.G. (2009), Controlled production of fructose by an exoinulinase from Aspergillus ficuum, Applied Biochemistry and Biotechnology, 159, 65-77 (Published online: DOI 10.1007/S12010-008-8479-6)

Nemakula, A., Mutanda, T., Wilhelmi B. and Whiteley C.G. (2009), Response surface methodology: Synthesis of short chain fructooligosaccharides with a fructosyltransferase from Aspergillus aculeatus, Bioresource Technology, 100 (6), 2040-2045.

Mutanda, T., Wilhelmi B. and Whiteley C.G. (2008), Response surface methodology: synthesis of inulooligosaccharides with an endoinulinase from Aspergillus niger, Enzyme and Microbial Technology, 43, 362-368.

Mack CL, Wilhelmi B., Duncan JR and Burgess JE. (2008) Recovery of platinum ions from aqueous solution by immobilized Saccharomyces cerevisiae biomass: A kinetic analysis. Minerals Engineering, 21, 31-37.

Mack C., Wilhelmi B., Duncan J. and Burgess J. (2007) Biosorption of precious metals, Biotechnology Advances, 25, 264-271.

Mayende L., Wilhelmi B.S. and Pletschke B.I. (2006) Cellulases (CMCases) and polyphenol oxidases from thermophilic Bacillus spp. isolated from compost, Soil Biology and Biochemistry, 38, 2963-2966.

Ndondo I.B., Wilhelmi B.S., Mabinya L.V. and Brand J. M. (2004) Alpha-tocopherol and fatty acids of major browse plant species of black rhinoceros in the Great Fish River Reserve, South African Journal of Wildlife Research, 34(1), 87-93.

Ndondo I.B., Wilhelmi B.S., Mabinya L.V. and Brand J.M. (2004) Serum vitamin E levels in free-ranging Black Rhinoceros in the Eastern Cape, South African Journal of Wildlife Research, 34(1), 100-102.

Duncan J.R., Brady D. and Wilhelmi B.S. (1997) Immobilization of yeast and algal cells for bioremediation of heavy metals, Bioremediation protocols, 2, 91-97.

Wilhelmi B.S. and Duncan J.R. (1996) Reusability of immobilised Saccharomyces cerevisiae with successive adsorption-desorption cycles, Biotechnology Letters, 18, 531-536.

Wilhelmi B.S. and Duncan J.R. (1995) Metal recovery from Saccharomyces cerevisiae biosorption columns, Biotechnology Letters, 17, 1007-1012.

Stanley S.M.R., Wilhelmi B.S., Rodgers J.P. and Guthrie A. (1994) Detection of corticosteroids by high-performance liquid chromatography/negative ion chemical ionization mass spectrometry using a particle beam interface, Biological Mass Spectrometry, 23, 483-491.

Stanley S.M.R., Wilhelmi B.S. and Rodgers J.P. (1993) Comparison of immunoaffinity chromatography combined with gas chromatography-negative ion chemical ionisation mass spectrometry and radioimmunoassay for screening dexamethasone in equine urine, Journal of Chromatography, 620, 250-253.

Stanley S.M.R., Wilhelmi B.S., Rodgers J.P. and Bertschinger H. (1993) Immunoaffinity chromatography combined with gas chromatography-negative ion chemical ionisation mass spectrometry for the confirmation of flumethasone abuse in the equine, Journal of Chromatography, 614, 77-86.

Technical Report:

Duncan J.R., Stoll A., Wilhelmi B.S., Zhoa M. and van Hille R. (1997) The use of algal and yeast biomass to accumulate toxic and valuable heavy metals from wastewater, Water Research Commission Report, # 616, ISBN 1-86845-455-X.

Conference presentations:

Bulcao, C., Edkins, A.L. and Wilhelmi, B.S. Analysis of the toxicity and differentiation ability of retinoic acid on THP-1 cells, SASBMB FASBMB Congress,Drakensberg, 2012.

Ryan, C.N., Basson, W., Brand, J.M. and Wilhelmi, B.S. Molecular analysis of black rhinoceros dung for diet determination using GS-FLX pyrosequencing, SASBMB FASBMB Congress,Drakensberg, 2012.

Dhanani, K.C.H., Cech, A., Cambray, G.A. and Wilhelmi, B.S. Perfusion tower bioreactor with flocculation and adsorption immobilised Saccharomyces cerevisiae for continuous ethanolic fermentation: Design, Scale-Up, Analysis of performance and commercialization strategy, SASBMB FASBMB Congress,Drakensberg, 2012.

Morrison, R., de Kock S.S. and Wilhelmi B.S. Development of an in vitro system for the production of drug metabolites using liver microsomes, 18th Eastern Cape South African Society for Biochemistry and Molecular Biology, Grahamstown, November 2011.

Luyt, C. D., Muller, W. J., Wilhelmi, B. S. and Tandlich, R. Health implications of flood disaster management in South Africa,  The International Emergency Management Society 18thAnnual Conference, Bucharest, Romania, June 2011.

Tandlich, R., Šmogrovicová D., Frith, K-A., Wilhelmi, B.S.and Limson, J.L., Chemical, microbial and antioxidant properties of selected honey varieties from South Africa, 6th Baltic Conference on Food Science and Technology “Innovations for Food Science and Production”, Jelgava, Latvia University of Agriculture, May 2011, 159-162.

Basson W., Brand J.M. and Wilhelmi B.S. Molecular analysis of black rhinoceros dung, 17th Eastern Cape South African Society for Biochemistry and Molecular Biology, Port Elizabeth, November 2009.

Wilhelmi B.S., Bulani S.I., Kgopa A.H. and Brand J.M., Molecular analysis of herbivore dung for diet determination, Southern African Management Association Symposium, Thaba ‘Nchu, September 2009.

Wilhelmi, B., Naicker, K. and de Kock, S., In vitro and in vivo analysis of drug metabolism in liver microsomes and from a horse administration trial, 34th FEBS Congress, Prague, Czech Republic, 2009.

Brand J.M., Bulani S.I., Kgopa A.H. and Wilhelmi B.S., Antioxidant activity of black
rhinoceros browse, SASBMB 21st Congress, Bio-08, Grahamstown, 2008.

Bulani S.I., Kgopa A.H., Yasvoin T., Brand J.M. and Wilhelmi B.S., Molecular analysis of black rhinoceros dung, SASBMB 21st Congress, Bio-08, Grahamstown, 2008.

Mutanda T., Wilhelmi B. and Whiteley C., Enzymatic hydrolysis of chicory inulin for the production of novel short chain inulooligosaccharides and fructose, SASBMB 21st Congress, Bio-08, Grahamstown, 2008.

Bulani S.I., Brand J.M. and Wilhelmi B.S. Black rhinoceros dietary preference determination using the chloroplast rbcL gene as a molecular marker, SASBMB 20thCongress, A molecular meander in the midlands, Pietermaritzburg, July 2006.

Mutanda, T., Whiteley C. and Wilhelmi B. Synthesis of short chain fructooligosacchaides (scFOS) using Response Surface Methodology, SASBMB 20thCongress, A molecular meander in the midlands, Pietermaritzburg, July 2006.

Field B.P., Cambray G., Brand J.M. and Wilhelmi B.S. The development of extraction and analysis methods for the identification of phenolic compounds present in Honey Sun Mead, 15th Symposium of the Eastern Cape division of the South African society for biochemistry and molecular biology, Grahamstown, November 2005.

Bulani S.I., Brand J.M. and Wilhelmi B.S. Determination of the dietary preferences of the black rhinoceros (Diceros bicornis), 15th Symposium of the Eastern Cape division of the South African society for biochemistry and molecular biology, Grahamstown, November 2005.

Mayende L., Wilhelmi B.S. and Pletschke B.I. Cellulose and lignin degrading thermozymes from compost for biotechnological application, SASBMB 19thCongress, Molecules-R-US, Stellenbosch, January 2005.

Mayende L., Wilhelmi B.S. and Pletschke B.I. Cellulose and lignin degrading thermozymes from compost for biotechnological application, 14th Symposium of the Eastern Cape division of the South African society for biochemistry and molecular biology, Port Elizabeth, November 2004.

Ndondo I.B., Wilhelmi B.S. and Brand J.M. Vitamin E and fatty acids in the browse and serum of the black rhinoceros in the Great Fish River Reserve, SASBMB 18thCongress, Molecules of Life, Bloemfontein, July 2003.

Ndondo I.B., Wilhelmi B. and Brand J. Vitamin E and fatty acids: possible biomarkers for the health and nutrition of the black rhinoceros, 12th Symposium of the Eastern Cape division of the South African society for biochemistry and molecular biology, Fort Beaufort, November 2002.

Nkosi B. and Wilhelmi B.S. Detection of Chromium and Cadmium induced DNA damage by comet assay and flow cytometry, 1st IUBMB/SASBMB Special Meeting on Biochemical and Molecular basis of Disease, Cape Town, November 2001.

Nkosi B. and Wilhelmi B.S. Detection of low levels of lymphocyte DNA damage, induced by chromium, using the comet assay, 1st Biannual Molecular and Cell Biology Symposium, Johannesburg, 2001.

Wilhelmi B.S. and Duncan J.R. Bioremediation of mixed metal aqueous solutions using brewer’s yeast Saccharomyces cerevisiae, Proc. Biotech SA ‘97, Grahamstown, 1997.

Wilhelmi B.S., Cross R., Pinchuck S., Neethling J.H., Douglas A. and Duncan J.R. Bioremediation of copper and iron by Saccharomyces cerevisiae: TEM energy dispersive x-ray analytical investigation of metal deposition sites, Proc. Microscopy society of Southern Africa, Cape Town, 1997.

Duncan J.R., Wilhelmi B.S., Stoll A., Makhale T.C. and Brady D. Heavy metal removal from industrial effluents by yeast and algal biomass, WISA Proc., Port Elizabeth, 1996.

Wilhelmi B.S. and Duncan J.R. Bioremediation of copper from water by immobilised Saccharomyces cerevisiae. Proc. Biotechnology for Africa 95, Pretoria, 1995.

Duncan J.R., Brady D., Stoll A. and Wilhelmi B.S. Heavy metal removal from industrial effluents by immobilised biomass, Proc. 13th Intl. Congress on Biohydrometallurgy, Chile, 1995.

Wilhelmi B.S. and Duncan J.R. The removal and recovery of metals from aqueous solutions by immobilized Saccharomyces cerevisiae, Proc. 13th SA Biochemical Society Congress, Bloemfontein, 1995.

Last Modified :Wed, 18 Apr 2012 11:40:02 SAST