Affiliation: | 1. Department of Chemistry and Material Engineering, Ibaraki National College of Technology, 866 Nakane, Hitachinaka, 312‐8508 (Japan), Fax: (+81)?29‐271‐2992;2. Department of Material and Life Chemistry, Faculty of Engineering, Kanagawa University, 3‐27‐1 Rokkakubashi, Kanagawa‐ku, Yokohama 221‐8686 (Japan), Fax: (+81)?45‐481‐5661;3. Chemical Resources Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori‐ku, Yokohama 226‐8503 (Japan) |