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. 2019 Jul 1;26(1):661–672. doi: 10.1080/10717544.2019.1631409

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© 2019 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — TEM images of (A) MnO₂ and (B) MnO₂-PEG-cRGD nanosheets. (C) DLS size distribution of MnO₂ and MnO₂-PEG-cRGD nanosheets. (D) Mn 2p XPS spectra for MnO₂ nanosheets. (E) Zeta potential of MnO₂, MnO₂-PEG-cRGD, and MnO₂-PEG-cRGD/Ce6 (n = 3). (F) UV-Vis spectra of Ce6, MnO2-PEG-cRGD, and MnO2PEG-cRGD/Ce6. Inset: UV-Vis spectra of MnO₂-PEG-cRGD nanosheets between 400 and 1000 nm.