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. 2020 Dec 14;15:10113–10125. doi: 10.2147/IJN.S282985

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© 2020 Luo et al.

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Se-CQDs scavenge ROS to protect astrocytes from ROS-induced oxidative damage. (A) Effect of H₂O₂ on the viability of astrocytes. (B) Protective effect of Se-CQDs against H₂O₂-induced oxidative damage in astrocytes. The concentration of H₂O₂ was 250 μM. (C) Intracellular ROS levels in astrocytes were measured by DCF staining. (D) Quantitative analysis of the fluorescence intensity of DCF in Figure 2C, ** P < 0.01, when + Se-CQDs group compared with H₂O₂ group. (E) Live/dead straining of astrocytes under different conditions, scale bar = 20 μm. (F) Quantitative analysis of the number of dead cells in Figure 2E, ** P < 0.01, when + Se-CQDs group compared with H₂O₂ group.