Figure 1.

Characterization of DOX‐loaded micelles. a) Strategies for PTAO synthesis. b–d) Size distribution and TEM images of b) OPDMA‐PCL/DOX, c) OPDEA‐PCL/DOX, and d) PEG‐PCL/DOX micelles. Scale bar: 200 µm. e) The size variation of the DOX‐loaded micelles in full culture medium over 1 week. f, g) The drug release profiles of the DOX‐loaded micelles at f) pH 7.4 and g) pH 5.0.