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. Author manuscript; available in PMC: 2013 Oct 21.
Published in final edited form as: J Nanosci Nanotechnol. 2009 Aug;9(8):4996–5007. doi: 10.1166/jnn.2009.gr02

Figure 2.

Figure 2

Predicted deposition fraction of inhaled particles by region in the human respiratory tract during nasal breathing. Diffusion is the main mechanism by which nano-sized particles (<0.1 μm) deposit. Based on ICRP (1994)