Fig. 5From: Liver toxicity assessments in rats following sub-chronic oral exposure to copper nanoparticlesThe levels of oxidative stress markers in rat livers. a MDA, malondialdehyde; b SOD, superoxide dismutase; c GSH-Px, glutathione peroxidase; d NO, nitric oxide; e iNOS, inducible nitric oxide synthase; f CAT, catalase. *p < 0.05; **p < 0.01Back to article page