Research Article
[Retracted] Ultrasonic Imaging of Carotid Inflammatory Plaque with Superparamagnetic Nanoparticles
Figure 4
The signal intensity of SPIONs carrying VCAM-1 antibody to rats in the model group. (a) The contrast agent of SPIONs carrying VCAM-1 antibody. (b) A contrast agent for SPIONs that does not carry VCAM-1 antibody.