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. Author manuscript; available in PMC: 2014 Aug 1.
Published in final edited form as: Nanomedicine. 2013 Feb 20;9(6):786–794. doi: 10.1016/j.nano.2013.01.007

Figure 2.

Figure 2

Effects of 2 mM EGTA in both apical and basolateral bathing fluids on flux of PNP (amidine-modified (positively charged) 20 and 120 nm and carboxylate-modified (negatively charged) 20 and 100 nm) assessed at 24 h across MAECM at apical [PNP] of 176 µg/mL. Flux of amidine-modified (positively charged) PNP did not increase in the presence of 2 mM EGTA, while flux of carboxylate-modified (negatively charged) PNP increased significantly in the presence of 2 mM EGTA (n=5). * = significantly different from respective control.