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. 2023 Mar 1;30(1):2181743. doi: 10.1080/10717544.2023.2181743

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© 2023 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 License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 3. — Characterization of MnO₂@PA NPs oligomer. A: FTIR spectra of PA, MnO₂ NPs, and MnO₂@PA NPs oligomer. B: EDS spectra of MnO₂@PA NPs oligomer. C: XRD spectra of MnO₂ NPs and MnO₂@PA NPs oligomer. D–F: XPS spectra of MnO₂@PA NPs oligomer, Mn and P elements. G: The thermogravimetric curves of MnO₂ NPs and MnO₂@PA NPs oligomer.