16 February 2017 Laser polarized Xe NMR and MRI at ultra-low magnetic fields
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Nuclear magnetic resonance imaging (MRI) is widely used as tomographic image inspection in clinical. MRI has many advantages such as obtaining tomographic images by non-exposure. However, it requires a strong magnetic field (0.4 to 3 T in general), so it also has disadvantages such as large size and high cost. If we use extremely low magnetic field as low as the earth B-field for MRI may be useful. In this study, we demonstrated the increase of nuclear magnetic resonance signals by spin hyperpolarization by spin exchange optical pumping for xenon in an extremely low magnetic field.
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Shun Takeda, Shun Takeda, Hiroshi Kumagai, Hiroshi Kumagai, } "Laser polarized Xe NMR and MRI at ultra-low magnetic fields", Proc. SPIE 10068, Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues XV, 100681M (16 February 2017); doi: 10.1117/12.2250804; https://doi.org/10.1117/12.2250804

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