Characterizing the relative performance of a 13C/31P surface coil for simultaneously studying metabolism and energetics
Manushka Vaidya1, Bei Zhang2, DongHyun Hong1, Ryan Brown3, Georgios Batsios1, Pavithra Viswanath1, Jan Paska3, Gerburg Wulf4, Aaron Grant5, Sabrina Ronen1, and Peder Larson1
1Department of Radiology, UCSF, San Francisco, CA, United States, 2Advanced Imaging Research Center, UT Southwestern Medical Center, Dallas, TX, United States, 3Center for Advanced Imaging Innovation and Research, and Center for Biomedical Imaging, Department of Radiology, New York Univerisity School of Medicine, New York City, NY, United States, 4Department of Hematology-Oncology, Beth Israel Deaconess Medical Center, Boston, MA, United States, 5Department of Radiology, Beth Israel Deaconess Medical Center, Boston, MA, United States
We evaluated the performance of a 13C/31P surface coil designed to detect metabolism and energetics data in the same scan session. Individually tuned coils were constructed to compare the performance of both channels of the multinuclear coil. Performance metrics such as Q ratio, SNR, flip angle maps, and transmit efficiency were measured. Our results demonstrate a decrease in performance of the 13C channel of the multinuclear coil. Removing the LCC trap circuit, used to decouple the channels, improved the Q ratio and SNR efficiency of the 13C channel. For future work, designs without a LCC trap circuit should be considered.
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