Tumor selectivity of stealth multi-functionalized superparamagnetic iron oxide nanoparticles.Caixia Fan, Wenhui Gao, +4 authors Zhiliang ChenInternational journal of pharmaceutics2011Superparamagnetic iron oxide nanoparticles (SPIO-NPs) have traditionally been used as MRI contrast agent for disease imaging via passive targeting. However, there has been an increasing interest in… (More)