Fig. 1
From: Ultrasmall Fe3O4 and Gd2O3 hybrid nanoparticles for T1-weighted MR imaging of cancer
Characterization of FG-HNPs2. a TEM images of US-IO and FG-HNPs2. b Hydrodynamic diameter (dh) of US-IO and FG-HNPs2 measured by DLS. c Hydrodynamic diameter (dh) changes of FG-HNPs2 (CGd = 1.0 mM) during storage at 4 ℃ (mean ± SD, n = 3). d Zeta potential measurement of FG-HNPs2, Gd2O3@CMD, US-IO (pH = 7.1). e Energy dispersive X-ray spectra (EDS) of FG-HNPs2. f FTIR spectra of the FG-HNPs2 and US-IO