Fig. 7

Oxidative stress response of NiO@rGO nanohybrids in NRK-52E cells. (A) Fluorescent microscopic images of DCFH-DA probed control and treated cells. (B) Quantitative analysis of fluorescence intensity of DCF probe (an indicator of intracellular ROS level) in control and treated cells. (C) Quantitative analysis of GSH content in control and treated cells. *p < 0.05 vs. control.