Affiliation: | 1. Department of Material and Life Science, Graduate School of Engineering, Osaka University, 2‐1 Yamada‐oka, Suita, Osaka 565‐0871 (Japan) http://www‐etchem.mls.eng.osaka‐u.ac.jp/;2. Department of Bioinspired Science, Ewha Womans University, Seoul 120‐750 (Korea) |