Fig. 9From: Synthesis and In Vitro Performance of Polypyrrole-Coated Iron–Platinum Nanoparticles for Photothermal Therapy and Photoacoustic ImagingBright field and fluorescence images of MDA-MB-231 cells under different conditions. a Control. b Laser only. c 50-μg/mL FePt@PPy NPs + laser. d 70-μg/mL FePt@PPy NPs + laser. e 100-μg/mL FePt@PPy NPs + laser. All solutions were irradiated with a 1 W/cm2 808-nm laser for 6 minBack to article page