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Abstract #2504

A nested dual-tuned proton-sodium loop-array transceiver coil on a 9.4T whole-body MRI system

Zhe Wang1, Fangrong Zong2, Cheng Fang1, Wenhui Yang3,4, Shasha Yue1, Yan Hou2, Zehui Li2, Tianyu Xie2, Kun Zhang2, Yan Zhuo1,4,5, Xiaohong Joe Zhou6, Xiaoliang Zhang7, and Rong Xue1,4,8
1State Key Laboratory of Brain and Cognitive Science, Beijing MRI Center for Brain Research, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China, 2Institute of Biophysics, Chinese Academy of Sciences, Beijing, China, 3Institute of Electrical Engineering Chinese Academy of Sciences, Beijing, China, 4University of Chinese Academy of Sciences, Beijing, China, 5CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Beijing, China, 6Center for MR Research and Departments of Radiology, Neurosurgery and Bioengineering, University of Illinois at Chicago, Chicago, IL, United States, 7Department of Biomedical Engineering, State University of New York at Buffalo, Buffalo, NY, United States, 8Beijing Institute of Brain Disorders, Beijing, China

In this study, a nested dual-tuned proton-sodium multi-channel loop-array transceiver coil was designed and constructed for 9.4T MRI, which could provide images for both proton and sodium at the same location. This coil adopts nested structure, which contains 8-channel transceiver loop elements respectively, and each loop is equipped with an independent transmit/receive circuit. The coil array was simulated for B1 field distribution and was further tested on a 9.4T whole-body MRI platform with home-built spectrometer. Proton and sodium images on a water phantom were successfully collected on this system with high quality.

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