1. Life Science Research Center, Mie University, Tsu, Mie 514-8507, Japan, Corporate Research and Development Group, Sharp Corporation,Tenri, Nara 632-8567, Japan, Department of Applied Chemistry, Aichi Institute of Technology, Toyota, Aichi 470-0392, Japan, and Nagoya Industrial Science Research Institute, Nagoya, Aichi 464-0819, Japan