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. 2020 Jun 19;15:4407–4415. doi: 10.2147/IJN.S254480

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© 2020 Wei et al.

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The apoptosis of central cells induced by SiO₂ NPs exposure was determined using acridine orange staining in embryos of zebrafish after a 24 h exposure. (A) Central cell apoptosis images were detected by fluorescence microscope. (B) The relative fluorescence of apoptosis of central cells was detected. Data are expressed as means S.D. from three independent experiments.