Figure 8
From: The enhanced cytotoxicity on breast cancer cells by Tanshinone I-induced photodynamic effect

The mitochondrial membrane potential of MDA-MB-231 cells incubated with 1 μg/mL TanI (3.6 μM) for 4 h and followed by 460 nm light irradiation for 0 or 30 min, measured by flow cytometry after further incubation for 24 h.