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. 2006 Jun;6(6):1121-5.
doi: 10.1021/nl060162e.

Cellular toxicity of carbon-based nanomaterials

Arnaud Magrez  1 , Sandor Kasas, Valérie Salicio, Nathalie Pasquier, Jin Won Seo, Marco Celio, Stefan Catsicas, Beat Schwaller, Laszló Forró
Affiliations

Cellular toxicity of carbon-based nanomaterials

Arnaud Magrez et al. Nano Lett. 2006 Jun.

Abstract

The cellular toxicity of carbon-based nanomaterials was studied as a function of their aspect ratio and surface chemistry. These structures were multiwalled carbon nanotubes, carbon nanofibers, and carbon nanoparticles. Their toxicity was tested in vitro on lung tumor cells. Our work clearly indicated that these materials are toxic while the hazardous effect is size-dependent. Moreover, cytotoxicity is enhanced when the surface of the particles is functionalized after an acid treatment.

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