alexa Carbon nanotubes introduced into the abdominal cavity of mice show asbestos-like pathogenicity in a pilot study.
Materials Science

Materials Science

Journal of Nanomedicine & Biotherapeutic Discovery

Author(s): Poland CA, Duffin R, Kinloch I, Maynard A, Wallace WA, , Poland CA, Duffin R, Kinloch I, Maynard A, Wallace WA, , Poland CA, Duffin R, Kinloch I, Maynard A, Wallace WA, , Poland CA, Duffin R, Kinloch I, Maynard A, Wallace WA,

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Abstract Carbon nanotubes have distinctive characteristics, but their needle-like fibre shape has been compared to asbestos, raising concerns that widespread use of carbon nanotubes may lead to mesothelioma, cancer of the lining of the lungs caused by exposure to asbestos. Here we show that exposing the mesothelial lining of the body cavity of mice, as a surrogate for the mesothelial lining of the chest cavity, to long multiwalled carbon nanotubes results in asbestos-like, length-dependent, pathogenic behaviour. This includes inflammation and the formation of lesions known as granulomas. This is of considerable importance, because research and business communities continue to invest heavily in carbon nanotubes for a wide range of products under the assumption that they are no more hazardous than graphite. Our results suggest the need for further research and great caution before introducing such products into the market if long-term harm is to be avoided. This article was published in Nat Nanotechnol and referenced in Journal of Nanomedicine & Biotherapeutic Discovery

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