Fig. 3
a Heat curves of APP NPs solution with different concentrations. b, c Heat curves and infrared thermographic images of APP NPs (100 µg mL−1) upon 660 nm laser exposure at various power densities. d Photothermal stability of APP NPs for five successive cycles of on/off laser irradiation. e Heat curves of APP NPs solution over a period of 1500 s versus the concentration of 50 µg mL−1. f The time constant was calculated form the cooling period. g Drug release profiles of APP NPs under different treatments. h The relative SOSG intensity of different nanoparticles after irradiation for different time durations