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. 2018 Mar 13;9:227. doi: 10.3389/fphar.2018.00227

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Copyright © 2018 Ding, Sun, Lian, Xu, Liu, Zheng, Zhang, Han, Liu, Chen, God′spower and Li.

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 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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Characterization of emodin nanoparticles. (A) Particle size distribution of emodin nanoparticles. (B) TEM image of emodin nanoparticles. (C) Zeta potential of emodin nanoparticles. (D) In vitro release profiles of emodin and emodin nanoparticles in PBS (pH 7.4, 30% ethanol). (E) The formation of emodin nanoparticles. (a) Synthesis of Gel-CD copolymer. (b) The host–guest interaction between the emodin and β-CD in the Gel-CD copolymer. (c) The self-assembly of emodin nanoparticles. (d) The structure of emodin nanoparticles. (F) The CMC of Gel-CD copolymer.