1. Department of Advanced Materials Chemistry, Graduate School of Engineering, Yokohama National University, Tokiwadai, Hodogaya, Yokohama, Kanagawa 240-8501, Japan
2. Future Business Search Team, Planning Department, R & D Division, ADEKA Corp., Higashi-Ogu, Arakawa, Tokyo 116-8554, Japan
3. Life Science Development Department, Life Science Materials Laboratory, ADEKA Corp., Higashi-Ogu, Arakawa, Tokyo 116-8554, Japan