Carbon Nanotubes Introduced into the Abdominal Cavity of Mice Show Asbestos-Like Pathogenicity in a Pilot Study

Report Read time:
Carbon Nanotubes Introduced into the Abdominal Cavity of Mice Show Asbestos-Like Pathogenicity in a Pilot Study

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.

Read the full report on Nature's site.

Pew is no longer active in this line of work, but for more information, visit the Project on Emerging Nanotechnologies.

MORE FROM PEW

In a vast field of solar panels, five workers in yellow and orange vests and helmets work on a section of panels. Those panels of black and blue glass catch the sun and transform it into energy, even though it appears to be a grey day out. Climate Talks Focus on Funding, Political Will, and More
Two people stand and talk in a tunnel in a creek. University of Georgia Uses Nature to Adapt to Climate Change
Workplace Savings Program Could Help 781,000 Kentuckians
An eight-lane highway runs beneath a large concrete and steel overpass, which is under construction. The highway is bordered mostly by undeveloped land with predominantly low brush in various shades of brown and green. Wildlife Crossings Save Lives, Money, and the Environment