Fig. 8From: Ultrasmall Fe3O4 and Gd2O3 hybrid nanoparticles for T1-weighted MR imaging of cancera H&E staining of major organs collected from CT26 tumor-bearing mice with or without FG-HNPs2 injection after 48 h (CGd = 5.0 mg/kg). b Prussian blue (PB) stained-images of tumor tissue 24 h following i.v. injection of FG-HNPs2 (CGd = 5.0 mg/kg). c TEM images of tumor tissue after 24 h post-injection of FG-HNPs2 (CGd = 5.0 mg/kg)Back to article page