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  31P MRS Signal-to-Noise Ratio in Human Brain at 3, 7, and 9.4 Tesla Using Dual Tuned Head RF Coils

Chmelik, M., Bencikova, D., Mirkes, C., Rodgers, C., Shajan, G., Scheffler, K., et al. (2016). 31P MRS Signal-to-Noise Ratio in Human Brain at 3, 7, and 9.4 Tesla Using Dual Tuned Head RF Coils. Poster presented at 24th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2016), Singapore.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0000-7B8C-9 Version Permalink: https://hdl.handle.net/21.11116/0000-0000-EC9F-4
Genre: Poster

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Chmelik, M, Author
Bencikova, D, Author
Mirkes, C1, Author           
Rodgers, CT, Author
Shajan, G1, Author           
Scheffler, K1, 2, Author           
Trattnig, S, Author
Bogner, W, 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              

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 Abstract: The purpose of this study was to quantitatively compare the SNR of brain 31P-MRS coils capable of covering the whole brain at various B0 field strenghts. SNR was compared using phantoms and in vivo in clinically acceptable measurement times at 3T (birdcage), 7T (23ch-array) and 9.4T (27ch-array). Data showed approximately 3-fold higher SNR at 7T than at 3T. 9.4T provided an additional -more than linear- increase. WSVD coil combination outperformed Brown’s coil combination. Especially with the 7T coil the necessity of advanced coil combination algorithms is apparent.

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 Dates: 2016-05-11
 Publication Status: Issued
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 Identifiers: BibTex Citekey: ChmelikBMRSSTB2016
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Title: 24th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2016)
Place of Event: Singapore
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Title: 24th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2016)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 3981 Start / End Page: - Identifier: -