Institution: | 1. Centre for Biomolecular Engineering, Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St. Lucia, QLD 4072, Australia;2. telephone: 61‐7‐334 64189;3. fax: 61‐7‐334 64197;4. Centre for Biomolecular Engineering, School of Chemical Engineering, The University of Queensland, St. Lucia, QLD 4072, Australia |