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. Author manuscript; available in PMC: 2017 Mar 21.
Published in final edited form as: Chem Soc Rev. 2016 Mar 21;45(6):1750–1780. doi: 10.1039/c5cs00914f

Figure 2.

Figure 2

Exposure types and pathways for emerging 2D nanomaterials. Most behaviors and issues are similar to those for particulate nanomaterials,21 but there are also distinctive 2D behaviors as shown here, such as physical transformations by folding, wrinkling, and restacking, and the importance of hazardous chemical byproducts and reductive dissolution processes associated with the particular chemical compositions of some important inorganic nanosheet materials.