Affiliation: | a Graduate School of Bioscience and Bioengineering, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226-8501, Japan b Department of Applied Chemistry, Tokyo University of Agriculture and Technology, 2-24-16 Naka-machi, Koganei, Tokyo 184-8588, Japan c Department of Materials Science, Ibaraki University, 4-12-1 Nakanarusawa, Hitachi, Ibariki 316-8511, Japan |