1. Centre of Advanced Materials, Department of Mechanical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia
2. School of Biosciences, Faculty of Health and Medical Sciences, Taylor’s University, Selangor, Malaysia
3. Department of Mechanical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia
4. Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia