Fig. 3

The effects of Nanocom-ICG on A549 cells. a The effects of PBS, ICG, Nanocom and Nanocom-ICG at different concentrations on A549 cells after 24 hours of co-incubation. b The cell index of A549 cells incubated with PBS and nanocom (20 µg/mL) and Nanocom-ICG (20 µg/mL ICG equivalent) for 72 h. c Cell apoptosis induced by Nanocom-ICG at 0, 3, 12, and 48 µg/mL ICG