Fig. 2

Photothermal and antioxidation performance of PDA-i and PDA(DOX) nanoparticles. a Thermal images recorded for PDA-i and PDA(DOX); b Photothermal temperature rise curves (100 μg/mL); c Temperature rise and fall curves (50 μg/mL); d Photothermal conversion efficiencies and Molar extinction coefficients; e Photothermal repeatability curves under five on/off cycles (50 μg/mL); f Inhibitor rate of SOD; g Antioxidant Capacity of PDA-i and PDA(DOX)