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 Yang^3,4, Shasha Yue¹, Yan Hou², Zehui Li², Tianyu Xie², Kun Zhang², Yan Zhuo^1,4,5, Xiaohong Joe Zhou⁶, Xiaoliang Zhang⁷, and Rong Xue^1,4,8

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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