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(A) Various hydrogels. (B) Transmission electron microscope (TEM) image of HMPs. (C) SEM image of CRC. (D) Hydrogel dissolved by laser irradiation. (E) Release rate of Cu2+ from the CRC with (red) and without (black) laser irradiation. (F,G) Rheological curve (red line) and corresponding temperature curve (blue line) of CRC under NIR irradiation at 1 W/cm2. (H) The zeta potential of HMPs suspended in PBS was assessed after 1, 2, and 3 days.
