Fig. 3

Parameters measured in the liver and kidneys of male (gray columns) and female (white columns) rats after administration of LD and HD of PVP-AgNPs. a, b Levels of peroxy radical, levels of superoxide radical and levels of glutathione given as % of fluorescence compared to the control. c, d SOD activity, CAT activity, and GPx activity given as units of enzyme activity per gram of wet tissue. Error bars: SD. *p < 0.05 and **p < 0.001 between controls (Ctl) and treated animals, ^#p < 0.05 between LD and HD groups of the same sex and ^§p < 0.05 between males and females