Abstract #2229

Design and simulation of a nested 4 channel 1H and 3 channel 13C coil for glycogen NMR experiments in the calf muscle at 7 T

Sigrun Goluch^1,2,3, Roberta Kriegl^2,3, Elmar Laistler^2,3, Martin Gajdošík ^4,5, and Martin Krššák ^1,4,5

¹Division of Endocrinology and Metabolism, Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria, ²MR Center of Excellence, Medical University of Vienna, Vienna, Austria, ³Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria, ⁴High-Field MR Center, Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Vienna, Austria, ⁵Christian Doppler Laboratory for Clinical Molecular MR Imaging, Medical University of Vienna, Vienna, Austria

Due to the inherently low sensitivity of carbon-13 NMR, ¹³C spectroscopic experiments at 7T require specifically optimized double tuned local RF transceive arrays for high SNR, exhibiting sufficient electrical isolation between the arrays to enable 1H decoupling and high SAR efficiency as to not invoke SAR limits during proton decoupling. In this work we present the simulation and optimization of a 7 channel nested ¹H/¹³C RF transceive coil array for ¹³C metabolic studies in the human calf muscle at 7 T.

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