Figure 7.

Cytotoxicity of nGO-PEG and nrGO-PEG in A549 cells. (A) Relative cell viability after treatment with different concentrations of nGO-PEG and nrGO-PEG for 24 h. (B) Relative cell viability after 808 nm laser irradiation (0.6 W/cm2) for 5 min for control cells and the cells cultured with different concentrations of nGO-PEG and nrGO-PEG. (C) FCM analysis of cell death induced by laser irradiation for control cells and the cells cultured with 6 μg/mL of nGO-PEG or nrGO-PEG for 2 h.

Chen et al. Nanoscale Research Letters 2014 9:86   doi:10.1186/1556-276X-9-86
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