1. Department of Chemistry, Biotechnology and Chemical Engineering, Kagoshima University, 1‐21‐40 Kohrimoto, Kagoshima 890‐0065 (Japan), Fax: (+81) 99‐285‐8369
2. Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565‐0871 (Japan)
3. SUDx‐Biotec Corporation, 1‐42‐1 Shiroyama, Kagoshima 890‐0013 (Japan)