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Lymphocyte cells were incubated with IC50 concentrations of NGOs for 24 hours and the cell cycle phases in the absence (A) and presence of NGOs (B) were determined by flow cytometry. The quantitative analysis was plotted to show the population of cell cycle phases (C).
Note: **P<0.01 and ***P<0.001 compared with the negative control sample.
Abbreviations: NGO, nano graphene oxide; NP, nanoparticle.
