Figure 3: Cell viability Data A. Cell viability results for the exposure of RAW264.7 cell line to three different concentrations (10, 20 & 40 μg/ml of AgNSs solutions for 3 hr). B. After exposure to AuNSs with the same three concentration Statistical significance has been indicated by ** (p-value<0.01), *** (p-value<0.001).