1. Department of Biotechnology, Tokyo University of Agriculture and Technology, Nakacho, Koganei, Tokyo 184-8588
2. Functional Ionic Liquid Laboratories, Tokyo University of Agriculture and Technology, Nakacho, Koganei, Tokyo 184-8588
3. National Institute for Materials Science, Tsukuba, Ibaraki 305-0044
4. Department of Chemistry and Biotechnology, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-8656