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. Author manuscript; available in PMC: 2008 Oct 18.
Published in final edited form as: J Control Release. 2007 Aug 16;123(1):19–26. doi: 10.1016/j.jconrel.2007.08.006

Fig. 6.

Fig. 6

(a) The pH-dependent cumulative DOX release from the PLA-b-PEG-b-polyHis micelle: pH 7.4 (●), pH 7.0 (■), pH 6.8 (▲), pH 6.4 (▼), pH 6.0 (◆) (n=3), and (b) the pH-dependent cytotoxicity of DOX loaded flower-like micelles (■) or free DOX (■) against MCF-7 cells (n=3).