Fig. 3. (A) Cell morphological change in the presence or absence of 2 μM SDMNP before or after light irradiation (405 nm laser). Confocal images of HeLa cells loaded with (B) Calcein AM/PI or (C) H2DCFDA. Scale bar: 50 μm. (D) Sodium azide (NaN3) concentration-dependent effect of SDMNP on photocytotoxicity to HeLa cells. *P < 0.005.
