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Effects of GO and EGFP-rGO on generation of ROS in human embryonic kidney 293 cells. The relative fluorescence of 2’,7’-dichlorofluorescein was measured using a spectrofluorometer with excitation at 485 nm and emission at 530 nm. The results represent the means of three separate experiments and the error bars represent the standard error of the mean. Treated groups GO, showed statistically significant differences from the control group, as determined by Student’s t-test (P < 0.05).
