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. 2022 Oct 19;10:955127. doi: 10.3389/fbioe.2022.955127

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Copyright © 2022 Xu, Tan, Chen, Chen, Tang, Liao and Niu.

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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(A) Biodistribution of IR780/PLGA@MnO₂ NPs in tumor-bearing mice at different time points by in vivo fluorescent imaging. (B,C) Fluorescence imaging of major organs and tumor at 8 h after injection of the IR780/PLGA@MnO₂ NPs. (D) H&E-staining images of major organs collected from the IR780/PLGA@MnO₂ NPs and saline groups.