Evaluation of CNT toxicity by comparison to tattoo ink
Volume 14, Issue 9, Page 434–440
| Kazuo Hara, Kaoru Aoki, Yuki Usui, Masayuki Shimizu, Nobuyo Narita, Nobuhide Ogihara, Koichi Nakamura, Norio Ishigaki, Kenji Sano, Hisao Haniu, Hiroyuki Kato, Naoyuki Nishimura, Yoong Ahm Kim, Seiichi Taruta, Naoto Saito
The absence of an optimal nano-sized reference material has been the biggest obstacle in evaluating the safety of carbon nanotubes as biomaterials. In this study, black tattoo inks, which have a long history of use by humans, are shown to be suitable reference materials composed of nano-sized carbon black particles. We have also demonstrated that multi-walled carbon nanotubes have comparable basic safety properties to those of tattoo inks when used as biomaterials.
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DOI: 10.1016/S1369-7021(11)70188-2
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