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Double-tuned RF receiver coil for detecting both 1H and 31P elements in 4.7 T MRI system

Double-tuned RF receiver coil for detecting both 1H and 31P elements in 4.7 T MRI system

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A novel double-tuned radio-frequency (RF) receiver coil for use in magnetic resonance imaging (MRI) systems has been demonstrated based on a birdcage-type circuit. The receiver coil utilises the end-ring current as well as the leg current of the birdcage-type circuit to detect the nuclear magnetic resonance (NMR) signals of different elements simultaneously. It was designed to detect the NMR signals of both 1H and 31P elements in a 4.7 T MRI system. The coil showed an excellent frequency response and provided clear magnetic resonance images of a Na2HPO4 phantom when used with the 4.7 T MRI system.

References

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      • 5. Schnall, M.D., Subramanian, V.H., Leigh, J.S.Jr., Chance, B.: ‘A new double-tuned probe for concurrent 1H and 31P NMR’, J. Magn. Reson., 1985, 65, (1), pp. 122129.
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      • 7. Rath, A.A.: ‘Design and performance of a double-tuned bird-cage RF coils’, J. Magn. Reson., 1990, 86, (3), pp. 488495.
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      • 8. Yang, Y., Zheng, T., Fujita, H.: ‘T/R switches, baluns and detuning elements in MRI RF coils’. ISMRM 14th Scientific Meeting Weekend Syllabus, Seattle, WA, USA, May 2006.
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