Fig. 5
Detection of intracellular ROS in MDA-MB-231 cells after 8 h incubation with nanoparticles in (A) normoxia and (B) hypoxia (blue: nuclear, green: ROS, scale: 100 μm) (C) Relative fluorescence intensity of ROS (Mean ± SD, n = 3, **** p < 0.0001) (D) Ratio of GSH/GSSG (Mean ± SD, n = 3, **p < 0.01, **** p < 0.0001)