Carbon nanohorn traps a metal atom in a hole opening. (Proc. Natl. Acad. Sci. USA, 101, 8527-8530 (2004).) [PDF]

Press release (School of Science, The University of Tokyo)

Chemical & Engineering News, News of the Week (2004)

Asahi Shimbun (2004)

Mainichi Shimbun (2004)

Yomiuri Shimbun (2004)

Nihon Keizai Shimbun (2004)

Nikkei Sangyou Shimbun (2004)

Nikkan Kougyou Shimbun (2004)

Kagaku Kougyou Nippou (2004)

Kagaku Shimbun (2004)

Jiji.com (Jiji Press) (2004)