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. 2020 Apr 30;11:558. doi: 10.3389/fphar.2020.00558

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Copyright © 2020 Lv, Li, Qian, Li, Jiang, Xiong, Xu, Lv, Liu, Chen, Tang and Xin

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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In vivo fluorescence imaging of U87MG glioma-bearing nude mice after administration with DiR-labeled CGKRK-PSNPs with borneol, DiR-labeled CGKRK-PSNPs, DiR-labeled PEG-PSNPs with borneol, and DiR-labeled PEG-PSNPs (A). The corresponding semi-quantitative radiant efficiency of brains (B). ^*P < 0.05 significantly lower than that of CGKRK-PSNPs with borneol.