Fig. 7From: g-C3N4-based photoresponsive magnetic nanocatalyst drives type-I photodynamic therapy under visible light irradiation, boosting chemo/chemodynamic synergistic therapy of colon cancerDisturbance of intracellular redox state in CCFCA-treated cells. A Monitoring intracellular ROS in cells treated for 48Â h. Evaluation of B catalase activity and C intracellular GSH levels in CT26 cells treated with CDDP and nanocomposites for 48Â h. (D) GSH depletion under the reduction of CCFCABack to article page