Abstract :
A high-performance magnetic resonance imaging T2 contrast agent has been prepared via phase transfer of hydrophobic superparamagnetic iron oxide nanoparticles (SPIONs) to an aqueous solution by using Pluronic?F127 copolymers. As seen in the figure, a hierarchical structure of the surface coating is formed and proven to be a crucial characteristic to enhance not only water dispersibility, but also the efficacy as a T2 contrast agent.
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