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. 2022 Sep 13;10:1001994. doi: 10.3389/fbioe.2022.1001994

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Copyright © 2022 Yu, Tong, Wang, Wu, Ye, Wang and Jiang.

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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The characterization and photothermal properties of the PPy@Fe₃O₄ NPs. (A,B) High and Low TEM images of PPy@Fe₃O₄ NPs; (C) FTIR spectra of PPy@Fe₃O₄ NPs; (D) XRD spectra of PPy@Fe₃O₄ NPs; (E) UV-Vis-NIR absorption spectra of PPy@Fe₃O₄ NPs at different concentrations; (F) Temperature change curve with various concentrations of NPs; (G) Temperature curve of rising with irradiation and naturally cooling; (H) Linear regression curve of cooling process (red).