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. Author manuscript; available in PMC: 2016 Jul 10.
Published in final edited form as: J Control Release. 2015 Apr 30;209:280–287. doi: 10.1016/j.jconrel.2015.04.040

Figure 4. Distribution of TFV in SCS, SCS with only potassium concentration matched to that of feces, and SCS with only sodium concentration matched to that of feces.

Figure 4

Distribution in transverse colorectal cryosections 5-10 min after intrarectal administration of 1% TFV (1:10 TFV-FITC:TFV) in SCS, SCS without sodium (SCS, K+ only) and SCS without potassium (SCS, Na+ only). Cell nuclei in transverse cryosections are stained with DAPI. Images are representative of n ≥ 3 mice. White scale bars = 300 μm.