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Proceedings Paper

Size separation of carbon nanotubes for biomedical applications
Author(s): Yoshinori Sato; Yuki Akimoto; Balachandran Jeyadevan; Ken-ichi Motomiya; Rikizo Hatakeyama; Kazuchika Tamura; Tsukasa Akasaka; Motohiro Uo; Atsuro Yokoyama; Ken-ichiro Shibata; Fumio Watari; Kazuyuki Tohji
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Paper Abstract

In this paper, we report the results of an attempt to disperse MWCNTs in water and determine their biocompatibilities. The length of the MWCNTs was reduced by treating the acidic nanotube suspension with ultrasonic irradiation. Then, the cut nanotubes were size-separated into 670, 550 and 220 nm length by filtration using polycarbonate membrane filters. The neutrophils activity (TNF-α) of size-separated MWCNTs was low and confirmed biocompatible.

Paper Details

Date Published: 29 December 2004
PDF: 5 pages
Proc. SPIE 5593, Nanosensing: Materials and Devices, (29 December 2004); doi: 10.1117/12.579714
Show Author Affiliations
Yoshinori Sato, Tohoku Univ. (Japan)
Yuki Akimoto, Tohoku Univ. (Japan)
Balachandran Jeyadevan, Tohoku Univ. (Japan)
Ken-ichi Motomiya, Tohoku Univ. (Japan)
Rikizo Hatakeyama, Tohoku Univ. (Japan)
Kazuchika Tamura, Hokkaido Univ. (Japan)
Tsukasa Akasaka, Hokkaido Univ. (Japan)
Motohiro Uo, Hokkaido Univ. (Japan)
Atsuro Yokoyama, Hokkaido Univ. (Japan)
Ken-ichiro Shibata, Hokkaido Univ. (Japan)
Fumio Watari, Hokkaido Univ. (Japan)
Kazuyuki Tohji, Tohoku Univ. (Japan)


Published in SPIE Proceedings Vol. 5593:
Nanosensing: Materials and Devices
M. Saif Islam; Achyut K. Dutta, Editor(s)

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