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(A) Effect of MgZnO NPs on the cell cycle of L929 cells: (a) control L929 cells without any treatment and (b,c) L929 cells treated with 25 to 50 μg/mL MgZnO NPs for 24 h, respectively. (B) MgZnO NPs inducing cell cycle arrest in the S phase in KB cells: (a) control KB cells without any treatment and (b,c) KB cells treated with 25–50 μg/mL MgZnO NPs for 24 h, respectively.
