Size separation of carbon nanotubes for biomedical applications

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

doi:10.1117/12.579714

29 December 2004 Size separation of carbon nanotubes for biomedical applications

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

Author Affiliations +

Proceedings Volume 5593, Nanosensing: Materials and Devices; (2004) https://doi.org/10.1117/12.579714
Event: Optics East, 2004, Philadelphia, Pennsylvania, United States

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.

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Yoshinori Sato, Yuki Akimoto, Balachandran Jeyadevan, Ken-ichi Motomiya, Rikizo Hatakeyama, Kazuchika Tamura, Tsukasa Akasaka, Motohiro Uo, Atsuro Yokoyama, Ken-ichiro Shibata, Fumio Watari, and Kazuyuki Tohji "Size separation of carbon nanotubes for biomedical applications", Proc. SPIE 5593, Nanosensing: Materials and Devices, (29 December 2004); https://doi.org/10.1117/12.579714

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