Optimal Labeling Dose, Labeling Time, and Magnetic Resonance Imaging Detection Limits of Ultrasmall Superparamagnetic Iron-Oxide Nanoparticle Labeled Mesenchymal Stromal Cells
MRI phantoms. (a) Two phantoms containing USPIO labeled cells. (b) MRI image of 2 phantoms with an ellipsoid region of interest placed in the upper phantom. USPIO: ultrasmall superparamagnetic iron-oxide.