Fig. 6From: Synthesis and In Vitro Performance of Polypyrrole-Coated Iron–Platinum Nanoparticles for Photothermal Therapy and Photoacoustic Imaging a Photothermal behavior of 50 μg/mL of FePt@PPy NPs kept under an 808-nm laser at different power densities for 6 min. b The real-time temperature record of six heating/cooling cycles of 50 μg/mL of FePt@PPy NPs under an on/off laser experiment (1 W/cm2). c UV-Vis-NIR spectra of FePt@PPy NPs before and after irradiationBack to article page