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  9.4 T Double-Tuned 13C/1H Human Head Array Using a Combination of Surface Loops and Dipole Antennas

Avdievich, N., Solomakha, G., Ruhm, L., Henning, A., & Scheffler, K. (2021). 9.4 T Double-Tuned 13C/1H Human Head Array Using a Combination of Surface Loops and Dipole Antennas. Poster presented at 2021 ISMRM & SMRT Annual Meeting & Exhibition (ISMRM 2021).

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Avdievich, N1, 2, Author              
Solomakha, G, Author
Ruhm, L2, 3, Author              
Henning, A2, 3, Author              
Scheffler, K1, 2, Author              
Affiliations:
1Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497796              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              
3Research Group MR Spectroscopy and Ultra-High Field Methodology, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_2528692              

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 Abstract: Dipole antennas have been successfully utilized at ultra-high fields (UHF, >7 T) for human body and head imaging. Combining X-nuclei surface loops and 1H dipoles can substantially simplify the design of a double-tuned UHF human head coil. In this work, we developed and constructed a novel 13C/1H human head 9.4 T array coil consisting of eight 13C surface loops and eight 1H folded-end dipoles surrounding the head. We showed that coupling between loops and dipoles can be minimized by placing four 1H traps into each 13C loop. The new coil demonstrated an improved 1H longitudinal coverage and reasonable Tx efficiency.

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 Dates: 2021-05
 Publication Status: Published online
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Title: 2021 ISMRM & SMRT Annual Meeting & Exhibition (ISMRM 2021)
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Start-/End Date: 2021-05-15 - 2021-05-20

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Title: 2021 ISMRM & SMRT Annual Meeting & Exhibition (ISMRM 2021)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 2506 Start / End Page: - Identifier: -