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. Author manuscript; available in PMC: 2017 May 25.
Published in final edited form as: ACS Appl Mater Interfaces. 2016 May 16;8(20):12711–12719. doi: 10.1021/acsami.6b03505

Figure 1.

Figure 1

(a, b) Schematic illustrations of pH-responsive drug-eluting nanocomposites (pH-DENs): (a) acidic pH-triggered drug release behavior and (b) transcatheter hepatic IA delivery of pH-DEN. The drug release of pH-DENs could be triggered by response to the acidic microenvironment caused by embolization-induced hypoxia. (c) Chemical structure of pH-responsive additive (pH-ADT) at different pH values and their pH-dependent phase transition. (Inset) Data for turbidity difference of pH-ADT solutions at pH 7.4 and 6.5.