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. 2021 Oct 17;11(20):9904–9917. doi: 10.7150/thno.66518

Figure 3.

Figure 3

(A) ROS level in HEK 293T cells stained with DCF under different conditions. The scale bar is 20 µm. (B) PI/Annexin V-FITC staining of HEK 293T cells under different conditions. (C) Cell viability of HEK 293T cells stimulated by H2O2 and pre-treated with NAC or Au NCs-NAC. (D) Confocal images of macrophages after different treatments. The level of TNF-α (E) and IL-6 (F) in culture medium incubated with/without LPS and pre-treated with NAC or Au NCs-NAC. The scale bar is 20 µm. Data represent the mean ± S.D (n = 3). **P < 0.01 versus control group, respectively.