Affiliation: | 1. Department of Chemistry and Biotechnology, School of Engineering and Center for NanoBio Integration, The University of Tokyo, 7‐3‐1 Hongo, Bunkyo‐ku, Tokyo 113‐8656 (Japan), Fax: (+81)?3‐5841‐7310 http://www.tagen.tohoku.ac.jp/labo/kinbara/;2. Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2‐1‐1 Katahira, Aoba‐ku, Sendai 980‐8577 (Japan), Fax: (+81)?22‐217‐5612 |