Fig. 7From: Polydopamine-Based Composite Nanoparticles with Redox-Labile Polymer Shells for Controlled Drug Release and Enhanced Chemo-Photothermal TherapyCLSM images of A549 cells cultivated with DOX-loaded PDA@PMAA nanoparticles for (a) 1 h and (b) 4 h. In each row, differential interference contrast microscopy images, fluorescence images, and overlay images were shown from left to right, respectively. (scale bar, 50 μm)Back to article page