Eugene Shi Guang Choo, Erwin Peng, Reshmi Rajendran, Prashant Chandrasekharan, Chang-Tong Yang, Jun Ding, Kai-Hsiang Chuang and Junmin Xue Superparamagnetic Nanostructures for Off-Resonance Magnetic Resonance Spectroscopic Imaging Advanced Functional Materials 23
A new method is proposed that uses superparamagnetic contrast agents to generate positive contrast in magnetic resonance imaging (MRI). The nanostructure consists of octahedral manganese ferrite nanoparticles embedded in spherical nanogels. The nanocomposites are strongly magnetized in an external magnetic field and produce a unique NMR frequency shift in water protons. This structure shows potential for use in MR spectroscopic imaging.
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