Figure 6From: Preparation and evaluation of poly(2-hydroxyethyl aspartamide)-hexadecylamine-iron oxide for MR imaging of lymph nodesPrussian blue staining. Prussian blue-stained iron taken up by the lymph node of a rabbit after injection of 20-nm PHEA-C16-iron oxide. Lymph node at × 200 (left) and × 400 magnifications.Back to article page