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. 2013 May 10;8(5):e64094. doi: 10.1371/journal.pone.0064094

Figure 1. Effect of different doses of indocyanine green (ICG), acid violet (AcV), brilliant blue (BriB) and methyl blue (MetB) on ARPE-19 cells viability assessed by MTS cell assay.

Figure 1

Cells were exposed to dyes for 3 minutes. Bars correspond to means of three independent experiments. Data are expressed as percentage of control, and the results shown are mean results ± SEM of three independent experiments run in triplicate on cultured cells. Statistical significance is indicated by **P<0.01 and for comparison with the control (BSS solution).