Fig. 2

Photothermal effect of AL and LAL. a Absorbance spectra of liposome, AL, and LAL. b Photothermal effect by observing temperature evaluation of DW, liposome, AL, and LAL under the 808-nm laser irradiation with 1 W intensity for 40 min (n = 3, mean ± s.d.). c Au concentration dependent photothermal effect of LAL under the 808-nm laser irradiation with 1 W intensity for 40 min (n = 3, mean ± s.d.). d Verification of thermal stability of AL and LAL during the 4 repeats of laser on/off cycle. e Time constant for heat transfer of e LAL and f AL from the photothermal system