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  Folded-End Dipole Transceiver Array for Human Whole Brain Imaging at 7 T.

Avdievich, N., Solomakha, G., Ruhm, L., Nikulin, A., Magill, A., & Scheffler, K. (2022). Folded-End Dipole Transceiver Array for Human Whole Brain Imaging at 7 T. Poster presented at Joint Annual Meeting ISMRM-ESMRMB & ISMRT 31st Annual Meeting (ISMRM 2022), London, UK.

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Avdievich, NI1, Author              
Solomakha, G, Author              
Ruhm, L2, Author              
Nikulin, AV1, Author              
Magill, A, Author
Scheffler, K1, Author              
Affiliations:
1Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497796              
2Research Group MR Spectroscopy and Ultra-High Field Methodology, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_2528692              

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 Abstract: In spite of great benefits of 7T MRI, its further clinical development is associated with difficulties in designing RF coils. Recently, we developed a novel type of dipole antennas, a folded-end dipole. In this work we evaluated an 8-element transceiver folded-end dipole array for 7T human head imaging. The array provided ~20% higher Tx-efficiency and significantly better whole-brain coverage than that of a widely-used commercial array. In addition, we evaluated passive dipoles for decoupling the proposed array. In contrast to the common unfolded dipole array, the passive dipoles produce practically no destructive interference with the RF field of the array.

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 Dates: 2022-05
 Publication Status: Published online
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Title: Joint Annual Meeting ISMRM-ESMRMB & ISMRT 31st Annual Meeting (ISMRM 2022)
Place of Event: London, UK
Start-/End Date: 2022-05-07 - 2022-05-12

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Title: Joint Annual Meeting ISMRM-ESMRMB & ISMRT 31st Annual Meeting (ISMRM 2022)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 1444 Start / End Page: - Identifier: -