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. 2019 Aug 26;14:6813–6830. doi: 10.2147/IJN.S212582

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© 2019 Yarjanli et al.

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The antitoxic effects of Qu and QNPs against H₂O₂ on the PC12 cell viability. (A) The effect of 24 h pre-incubation with QNPs or Qu before H₂O₂ treatment on PC12 cells viability; the low doses of QNPs or Qu significantly improved the cell viability. (B) The effect of 48 h pre-incubation with QNPs or Qu; the low doses of QNPs or Qu significantly increased the cell viability. (C) The effect of 72 h pre-incubation with QNPs or Qu; there is no significant protective effect against H₂O₂ (n=9, mean ± SEM). *p<0.05, **p<0.01, ***p<0.001, and ****p<0.0001.