1. Division of Polymer Science, Nagoya Municipal Industrial Research Institute, 3-4-41, Rokuban, Atsuta-ku, Nagoya 456-0056, Japan, Division of Inorganic Material, Nagoya Municipal Industrial Research Institute, 3-4-41, Rokuban, Atsuta-ku, Nagoya 456-0056, Japan, and Laboratory of Molecular Biotechnology, Department of Biological Mechanisms and Functions, Graduate School of Bio- and Agro-Science, Nagoya University, Chikusa-ku, Nagoya 464-01, Japan