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. Author manuscript; available in PMC: 2016 Aug 1.
Published in final edited form as: Nanomedicine. 2015 Mar 25;11(6):1377–1385. doi: 10.1016/j.nano.2015.03.007

Figure 1.

Figure 1

Functionalized mesoporous silica nanoparticles (MSN) aerosol generation for inhalation. (a) Pre-aerosolized MSN by transmission electron microscopy (TEM) demonstrating single MSN that had been suspended in aqueous solution (scale bar: 0.2 µm). (b) TEM image of dried aerosol droplets of different sizes containing different quantities of nanoparticles due to water droplets of variable size following nebulization (scale bar: 0.2 µm). (c) A wide range of MSN aerosol droplet size distribution was observed to enhance particle deposition throughout the entire respiratory tract as measured by gravimetrics.