1. Curtin Sarawak Research Institute; Curtin University; Sarawak 98009 Malaysia
2. Department of Chemical Engineering; Curtin University; Sarawak 98009 Malaysia
3. Department of Civil Engineering; Xi'an Jiaotong-Liverpool University; Jiangsu 215123 China
4. Biotechnology Research Institute; Universiti Malaysia Sabah; Kota Kinabalu, Sabah 88400 Malaysia