Fig. 5From: Facile One-Pot Synthesis of Polydopamine Carbon Dots for Photothermal TherapyIn vitro cytotoxicity against HeLa cells. a In vitro cell viability of HeLa cells incubated with CD-PDA, CDs, and PDA at various concentrations for 24 h. b In vitro cell viability of HeLa cells incubated with CD-PDA, CDs, and PDA at various concentrations under irradiation (808 nm, 2 W/cm2, 5 min; mean ± SD, n = 6). *p < 0.05, **p < 0.01, ***p < 0.001Back to article page