Fig. 5From: The effects of photodynamic therapy on leukemia cells mediated by KillerRed, a genetically encoded fluorescent protein photosensitizerCLSM images of K562, NB4, and THP1 cell lines incubated with 10 μM of KillerRed at 4 °C for 4 h in the dark. L-: without light irradiation; L+: irradiated with 400–780 nm light for 15 min (72 J cm− 2). Hoechst 33342 was used for nuclei stainingBack to article page