1. Department of Science and Innovation/Mintek Nanotechnology Innovation Centre, Biolabels Node, Department of Biotechnology, Faculty of Natural Sciences, University of the Western Cape, Bellville, South Africa
2. South African Medical Research Council Bioinformatics Unit, South African National Bioinformatics Institute (SANBI), University of the Western Cape, Bellville, South Africa Cape Town, South Africa;
3. Department of Biochemistry and Microbiology, Nelson Mandela University, Port Elizabeth, South Africa
4. Nanobiotechnology Research Group, Department of Biotechnology, Faculty of Natural Sciences, University of the Western Cape, Bellville, South Africa
5. Department of Chemistry, Faculty of Natural Sciences, University of the Western Cape, Bellville, South Africa