Affiliation: | (1) Department of Chemical and Biological Sciences, Faculty of Science, Japan Women's University, Mejiro-dai, Bunkyo-ku, 112 Tokyo, Japan;(2) Laboratory of Electron Microscopy, Japan Women's University, Mejiro-dai, Bunkyo-ku, 112 Tokyo, Japan;(3) Animal and Cellular Systems Laboratory, The Institute of Phys'l and Chem'l Research (RIKEN), Hirosawa, Wako-city, 351-01 Saitama, Japan |