Fig. 6From: An in vitro study on sonodynamic treatment of human colon cancer cells using sinoporphyrin sodium as sonosensitizerIntracellular ROS level of HCT116 and RKO cells in four groups. After SDT treatment, the cells were cultured in the dark for additional 2 h before ROS analyses. a Representative fluorescence images of DCF (green), probing intracellular ROS. b Representative histogram of fluorescence intensity of DCF in HCT116 and RKO cells detected by flow cytometry. Scale bar 100 µmBack to article page