Fig. 7From: Using superparamagnetic iron oxide nanoparticles to enhance bioavailability of quercetin in the intact rat brainLiver histology of the control and experimental rats. The figure shows the effect of Fe3O4NP, QT, QT-SPIONs (at a dose of 100Â mg/kg, and 7Â days) on histology of liver of rats. a control; b free quercetin (QT); c SPIONs; d QT-SPIONs. The histology shows the normal liver architecture for all treatments (H & E staining)Back to article page