Fig. 12From: Preliminary Studies on Biodegradable Zinc Oxide Nanoparticles Doped with Fe as a Potential Form of Iron Delivery to the Living OrganismRepresentative microphotographs of liver sections showing staining with Perl’s method. Comparison of the presence of iron (light blue areas) in control and experimental groups of mice (with ZnO:Fe NPs administered 24 h before sacrifice). The arrows point iron deposits in hepatocytes. × 40 lensBack to article page