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. 2019 Jan 24;9(2):147. doi: 10.3390/nano9020147

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Scheme 3 — In vitro release devices of PAE from PAE/mPEG-PAMAM G5.NHAc nanocomposite (a) and PAE/mPEG-PAMAM G5.NHAc/DGG in situ gel (b). (a) PAE was released from PAE/mPEG-PAMAM G5.NHAc nanocomposite and spread evenly in the release medium (PBS, pH7.4); (b) PAE/mPEG-PAMAM G5.NHAc nanocomposite was released from in situ gel, then PAE/mPEG-PAMAM G5.NHAc nanocomposite released PAE.