1. Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa, Florida Campus, Johannesburg, South Africa
2. Mintek Analytical Chemistry Division, Private Bag X3015, Randburg 2125, South Africa
3. DSI/Mintek Nanotechnology Innovation Centre, Advanced Materials Division, Private Bag X3015, Randburg 2125, South Africa
4. Department of Chemical Engineering, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium
5. Department of Medicine and Chemical Engineering, Hebei University of Science and Technology, Shijiazhuang, 050018, China
6. Academy of Nanotechnology and Waste Water Innovations, Johannesburg, South Africa
7. Department of Chemistry, School of Applied Sciences, KIIT Deemed University, Odisha, India