Figure 4.

Photothermal studies of ZD-GNRs. (a-b) Temperature changes of ZD-GNRs at different concentrations irradiated with an 808 nm laser at power density of 1.0 W/cm² (a) and with different laser powers at a fixed concentration (2 μg/mL) (b). (c-d) Temperature variation of 143B cells treated with ZD-GNRs in culture medium at different concentrations irradiated with an 808 nm laser at power density of 1.0 W/cm² (c) and with different laser powers at a fixed particle concentration (2 μg/mL) (d).