1. Faculty of Science, Department of Chemistry, Universiti Malaya, Kuala Lumpur, Malaysia
2. University Malaya Centre for Ionic Liquids (UMCiL), Universiti Malaya, Kuala Lumpur, Malaysia
3. Faculty of Science, Department of Chemistry, Centre for Fundamental and Frontier Sciences in Nanostructure Self-Assembly, Universiti Malaya, Kuala Lumpur, Malaysia
4. Chemical Engineering Programme, Faculty of Chemical Engineering & Technology, Universiti Malaysia Perlis, Arau, Malaysia
5. Centre of Excellence for Biomass Utilization (COEBU), Universiti Malaysia Perlis, Arau, Malaysia