1. Graduate School of Science and Engineering, Ibaraki University, Hitachi 316-8511, Japan
2. Department of Biochemistry, Tohoku University Graduate School of Medicine, Sendai 980-8575, Japan
3. Graduate School of Biomedical Engineering, Tohoku University, Sendai 980-8579, Japan
4. Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan
5. Kao Corporation, Biological Science Research Laboratory, Odawara 250-0002, Japan
6. College of Agriculture, Ibaraki University, Ami, Inashiki 300-0393, Japan
7. Frontier Research Center for Applied Atomic Sciences, Ibaraki University, Naka 319-1106, Japan