1. Institute of Chemistry and Biological Chemistry, Zurich University of Applied Sciences, Einsiedlerstrasse 31, 8820 Waedenswil, Switzerland
2. School of Chemical and Biomedical Engineering, Nanyang Technological University (NTU), Singapore 637459, Singapore
3. Singapore Membrane Technology Center, Nanyang Environment and Water Research Institute, Nanyang Technological University (NTU), Singapore 637141, Singapore