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Abstract #4096

A four-frequency 1H/19F/23Na/31P RF coil system for simultaneous multinuclear MRI and MRS at 3.0T 

xing yang1, Nan Li1, Feng Du1, Kai Wang2,3, Xin Liu1, Hairong Zheng1, and Ye Li1
1Shenzhen Institutes of Advanced Technology,Chinese Academy of Sciences, Shen'zhen, China, 2Molecular Imaging Research Center, Harbin Medical University, Harbin, China, 3TOF-PET/CT/MR Center, The Fourth Hospital of Harbin Medical University, Harbin, China

Most of current multinuclear MR experiments are performed by doing mono-nuclear acquisitions separately, followed by registering images obtained from each one. To reduce the total measurement time and experiment registration error, a novel four-frequency 1H/19F/23Na/31P RF coil system was developed and evaluated. Our performance evaluations showed that all coil arrays were sufficiently matched, decoupled and detuned when working simultaneously, and the unbalance of amplitude and phase increments generated by the interface circuits were well controlled, thus can be expected to generate a uniform B1+ field and high SNR images for simultaneous 1H/19F/23Na MRI and for 31P MRS.

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