Figure 3.

The photothermal performance of ICG—MTX. (a) The photothermal performance of ICG—MTX (31.3 µg·mL⁻¹) under irradiation of 808 nm lasers with different laser power intensities. (b) Infrared thermal images of ICG—MTX (ICG, 31.3 µg·mL⁻¹) under irradiation of different laser power of 808 nm laser. (c) The photothermal performance of different concentrations of ICG—MTX under 808 nm laser irradiation at 0.5 W·cm⁻². (d) The photothermal effect of ICG (31.3 µg·mL⁻¹) and ICG—MTX (ICG, 31.3 µg·mL⁻¹) solutions under 808 nm laser irradiation (0.5 W·cm⁻²).