Fig. 13From: Preliminary Studies on Biodegradable Zinc Oxide Nanoparticles Doped with Fe as a Potential Form of Iron Delivery to the Living OrganismRepresentative spleen sections following staining with Perl’s method. Comparison of the presence of iron (blue areas ) in control and experimental group of mice (with administered 24 h before ZnO:Fe NPs). Separate presented areas of the tissue: white pulp (a, b) and red pulp (c, d). The arrows point iron accumulated around blood vessels (circles). × 10 (a, b) or × 20 (c, d) lensBack to article page