Nanotech 2010

Uptake and distribution of inhaled carbon nanotubes characterized by Raman spectroscopy

T.I. Ingle, E. Dervishi, R. Buchanan, A. Biris
Arkansas State University, US

Keywords: carbon nanotubes, Raman spectroscopy, lungs, inhalation


Increased use of carbon nanotubes (CNTs) in applications in which their novel properties are advantageous may lead to unintended release into the environment where, because of their size and composition, they may be absorbed by organisms. Thus, their bioavailability, uptake and distribution routes, and bioaccumulation need to be understood. Although the most likely exposure route is by inhalation, CNTs rapidly aggregate and are unlikely to exist at the nanoscale in air. Therefore, we exposed free moving animals to aerosols containing single walled CNTs and characterized their deposition.
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