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. 2021 Sep 16;9:730925. doi: 10.3389/fbioe.2021.730925

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Copyright © 2021 Zhong, Bejjanki, Miao, Weng, Li, Zhang, Liu, Vannam and Xie.

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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Characterization of FA-PEG@SPION-ICG. TEM images of FA-PEG/CBT@SPION-ICG (i) and FA-PEG/CBT@SPION-ICG after being treated by GSH (ii). DLS diagram of FA-PEG/CBT@SPION-ICG after being treated by GSH (B). UV absorption spectrum of free ICG and FA-PEG/CBT@SPION-ICG (C). In vitro temperature profile (D).