Affiliation: | Department of Biological Science, Graduate School of Science, Hiroshima University, Kagamiyama, Higashihiroshima, Hiroshima 739-8526, Japan;Department of Chemistry, Faculty of Science, University of Toyama, Gofuku 3190, Toyama 930-8555, Japan;Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan |