Institution: | 1. Central Research Laboratories , Kuraray Co. Ltd. , Sakazu, Kurashiki, Okayama, 710, Japan;2. Central Research Laboratories , Kuraray Co. Ltd. , Sakazu, Kurashiki, Okayama, 710, Japan;3. Okayama University of Science , Ridaicho, Okayama, Okayama, 700, Japan |