Only few reliable studies have been published yet on the inhalation of graphene.

 

Biological effects after inhalation of different carbon nanomaterials were investigated in mice [1]. Besides well characterized materials like carbon nanotubes, carbon black and graphite, graphene was tested as a new 2D-material. Carbon nanotubes showed the highest biological effects, even though they were significantly less concentrated compared to the other materials tested. Also graphene induced biological responses, but to a lesser extent than carbon nanotubes. Carbon black and graphite showed no toxicity.
According to a study, inhalation of graphene platelets leads to inflammation in the lungs of mice which decrease slightly one week after exposure. The self-cleaning mechanisms of the lung deal with the removal of smaller fragments [2].

 

Literature arrow down

  1. Ma-Hock, L et al. (2013), Kohlenstoff-Nanoröhrchen
  2. Schinwald, A et al. (2012), ACS Nano, 6(1): 736-746

 

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