Supplementary Figure 8: Cell viability assay.

Cell viability determined using a trypan blue assay after treatment of MCF-7 cells with 1 – 9 μg/ml GO-nS for 12 h (red), 24 h (green) or 72 h (blue). Values represent the mean ± se, n=3. *Significantly different from control, p < 0.05. This figure is adapted with permission from our previously published work38, copyright 2013 American Chemical Society.