Abstract #1291
14T Dual-tuned RF Probes for 13C/1H MRI Using Common-Mode Differential-Mode (CMDM) Method
Hong Shang 1 , Xiaoliang Zhang 1,2 , Yiran Chen 1 , Subramaniam Sukumar 1 , Peder Larson 1 , Daniel B Vigneron 1,2 , and Duan Xu 1,2
1
Radiology and Biomedical Imaging, University
of California San Francisco, San Francisco, CA, United
States,
2
UC
Berkeley/UCSF Joint Bioengineering Program, San
Francisco, CA, United States
Double-tuned radiofrequency (RF) coils are critical for
multinuclear MR applications, with advantage of image
co-registration of proton anatomic images and
multinuclear metabolic images, and B0 shimming using
proton channel for low natural abundance heteronuclear
MRSI. In this work, a 14T double-tuned surface coil was
built based on the CMDM method, which has been proposed
for designing double-tuned RF coils with better
decoupling between channels and was demonstrated to
provide excellent performance and easy implementation at
7T. Bench tests and phantom imaging were performed and
demonstrated excellent decoupling between the two
channels, efficient impedance match, and independent
tuning.
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