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. 2021 Sep 27;9:744657. doi: 10.3389/fbioe.2021.744657

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Copyright © 2021 Xie, Liu, Chen, He, Zhang and Chen.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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pH-dependent cumulative adriamycin (ADR) release from the mixed micelles composed of polyHis/PEG and PLLA/PEG [PLLA/PEG content in the mixed micelles: 0 wt.% (●), 10 wt.% (■), 25 wt.% (▲), and 40 wt.% (▼)] (Lee E. et al., 2003).