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. 2020 Mar 3;15:1421–1435. doi: 10.2147/IJN.S225722

Figure 2.

Figure 2

Effect of graphene oxide nanoparticles on the viability and proliferation of mNSCs. (A) CCK-8 assay was performed to evaluate the cell viability of mNSCs after treatment with 417 nm, 663 nm, 1047 nm and 4651 nm GO NPs at concentrations ranging from 5 to 100 μg/mL for 24 h. Data show the means ± standard error of the mean of three independent experiments. ***p < 0.001, **p < 0.01 and *p < 0.05 compared with the control group. (B) Apoptosis of mNSCs treated with GO NPs of different sizes at a concentration of 20 μg/mL for 24 h. (C) Quantification of cellular apoptosis. Data show the means ± standard error of the mean.