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Cellular ROS production. Cells were exposed to varying VGCF concentrations for 24 hours.
Notes: PC; 100 μM H2O2 (n = 3, mean ± SE, *P < 0.05, **P < 0.01, ***P < 0.001).
Abbreviations: VGCF, vapor-grown carbon fiber; ROS, reactive oxygen species.
