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Abstract #1542

Development of 8-Channel 1H-2H Dual-Frequency loop coil array with LC tanks for 1H MRI and 2H MRS imaging of human brain at 7 Tesla 

Soo Han Soon1,2, Matt Waks1, Hannes M. Wiesner1, Xin Li1, Xiao-Hong Zhu1, and Wei Chen1,2
1CMRR, Department of Radiology, University of Minnesota, Minneapolis, MN, United States, 2Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, United States


Deuterium (2H) MRS imaging (DMRSI) enables us to measure both the cerebral metabolic rate of glucose and TCA cycle rate and to image brain tumor with an excellent contrast. It is common to apply two sets of 2H and 1H RF coils for performing DMRSI, resulting in coil complexity and RF interference. We introduce an 8-channel 2H-1H dual-frequency loop coil array with LC tanks, enabling each loop coil being tuned to 2H and 1H resonant frequencies simultaneously. We have constructed a prototype head coil for human brain applications at 7 Tesla and validated the coil via benchtop and imaging tests.

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