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Effect of N-acetyl cysteine (NAC) on yttria-stabilized zirconia nanoparticles for 24 hrs in HaCaT cells. (A) % MTT reduction in 24 hrs. (B) % ROS generation in 24 hrs. Each value represents the mean ± SE of three experiments. ap<0.05 analysis between without NAC and with NAC and #p<0.05, ##p<0.01 vs control.
Abbreviation: ROS, reactive oxygen species.
