Affiliation: | 1. Institute of Chemical and Engineering Sciences, 1, Pesek Road, Jurong Island, Singapore, 627833, Fax: (65)?63166185;2. School of Materials Science and Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798;3. School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459 |