Figure 2.
Effect of different doses of indigo carmine (IC), bromophenol blue (BroB), evans blue (EB), congo red (CR) and brilliant blue (BriB) on ARPE-19 cell viability assessed by MTS cell assay. 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 means ± SEM of three independent experiments run in triplicate. Statistical significance is indicated by **P < 0.01 and for comparison with the control (BSS solution).
