1. Fuel Cell Institute, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
2. Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
3. Department of Applied Physics, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
4. Department of Microbiology and Center for Life Science Research (CELIFE), Faculty of Biology, VNU University of Science, Vietnam National University, Nguyen Trai 334, Thanh Xuan, Hanoi, Vietnam
5. Chemical and Water Desalination Program, College of Engineering, University of Sharjah, Sharjah 27272, United Arab Emirates