1. Nanotechnology & Catalysis Research Centre (NANOCAT), University of Malaya, Kuala Lumpur, Malaysia
2. Department of Chemical and Environmental Engineering, Faculty of Engineering, University of Nottingham Malaysia Campus, Jalan Broga, Semenyih, Selangor Darul Ehsan, Malaysia
3. Laboratory of Advanced Catalysis and Environmental Technology, Monash University Sunway Campus, Bandar Sunway, Malaysia
4. Institute of Biological Sciences, University of Malaya, Kuala Lumpur, Malaysia
5. Institute of Ocean and Earth Sciences, University of Malaya, Kuala Lumpur, Malaysia