4:00 PM - 4:15 PM
*Shogo Aoki1, Shuhei Sakata2, Ryoichi Nakada3, Teruhiko Kashiwabara3, Takeshi Ohno2, Yoshio Takahashi4, Harilaos Tsikos5, Tsuyoshi Komiya1 (1.Graduate School of arts and science, the University of Tokyo, 2.Department of Chemistry, Gakushuin University, 3.Japan Agency for Marine-Earth Science and Technology, 4.Graduate School of Science, the University of Tokyo, 5.Department of Geology, Rhodes University)