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. Author manuscript; available in PMC: 2016 Apr 8.

Published in final edited form as: Nano Lett. 2015 Mar 3;15(4):2235–2241. doi: 10.1021/acs.nanolett.5b00151

Nanoparticle transport in murine small intestinal mucus. (A) Ensemble-average mean square displacement (<MSD>) of Ettp5-labeled CAI-1 NPs over time in simulated intestinal fluid () and in mucus coating from freshly excised murine small intestine tissue (). (B) Distributions of the logarithms of individual particle MSD at a time scale of 1 s for Ettp5-labeled CAI-1 NPs in simulated intestinal fluid () and in mucus coating from freshly excised murine small intestine tissue ().

Inline graphic — Nanoparticle transport in murine small intestinal mucus. (A) Ensemble-average mean square displacement (<MSD>) of Ettp5-labeled CAI-1 NPs over time in simulated intestinal fluid () and in mucus coating from freshly excised murine small intestine tissue (). (B) Distributions of the logarithms of individual particle MSD at a time scale of 1 s for Ettp5-labeled CAI-1 NPs in simulated intestinal fluid () and in mucus coating from freshly excised murine small intestine tissue ().