Hiromi Nabeshi, Tomoaki Yoshikawa*, Takanori Akase, Tokuyuki Yoshida, Saeko Tochigi, Toshiro Hirai, Miyuki Uji, Ko-ichi Ichihashi, Takuya Yamashita, Kazuma Higashisaka, Yuki Morishita, Kazuya Nagano, Yasuhiro Abe, Haruhiko Kamada, Shin-ichi Tsunoda, Norio Itoh, Yasuo Yoshioka and Yasuo Tsutsumi*
* Corresponding authors: Tomoaki Yoshikawa tomoaki@phs.osaka-u.ac.jp - Yasuo Tsutsumi ytsutsumi@phs.osaka-u.ac.jp
Nanoscale Research Letters 2011, 6:464 doi:10.1186/1556-276X-6-464