1. Department of Chemistry, University of Tsukuba, Tsukuba 305-8571, Japan
2. Fukushima Medical University, Fukushima 960-1295, Japan
3. Graduate School of Materials Science, Nara Institute of Science and Technology, Ikoma, Nara
630-0192, Japan
4. Department
of Frontier Bioscience,
Faculty of Bioscience and Applied Chemistry, Hosei University, Koganei, Tokyo 184-8584, Japan
5. Department of Physical Chemistry,
Graduate School of Pharmaceutical Sciences, Chiba University, Inage-Yayoi, Chiba 263-8522, Japan
6. Department of Materials Engineering, Nagaoka National College of Technology, Nagaoka 940-8532,
Japan