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. 2023 Sep 9;10:rbad081. doi: 10.1093/rb/rbad081

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© The Author(s) 2023. Published by Oxford University Press.

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

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Figure 4. — (A) NIR performance of the hydrogel at 1 W power. (B) NIR performance of P/SA/GO hydrogels at different powers. (C) Reciprocating cycle experiment at 1 W power. (D) The temperature of the circular hydrogel changes with time under NIR irradiation. (E) The area of the circular hydrogel changes with time. (F) The temperature of the strip hydrogel changes with time under NIR irradiation. (G) Hydrogel width change after 20 min of strip hydrogel (**P < 0.01).