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  Quantification of 31P Human Brain spectra at 9.4T using ISIS and SPECIAL-semiLASER

Dorst, J., Ruhm, L., Avdievich, N., Bogner, W., & Henning, A. (2020). Quantification of 31P Human Brain spectra at 9.4T using ISIS and SPECIAL-semiLASER. Poster presented at 2020 ISMRM & SMRT Virtual Conference & Exhibition.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-D8CF-E Version Permalink: http://hdl.handle.net/21.11116/0000-0006-D8D0-B
Genre: Poster

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Dorst, J1, 2, Author              
Ruhm, L1, 2, Author              
Avdievich, N1, 2, Author              
Bogner, W, Author
Henning, A1, 2, Author              
Affiliations:
1Research Group MR Spectroscopy and Ultra-High Field Methodology, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_2528692              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              

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 Abstract: For phosphorus single voxel MR spectroscopy, ISIS is often the method of choice, but it requires an 8 steps encoding scheme and post-acquisition signal combination which makes it prone to motion. Therefore, a SPECIAL-semiLASER sequence for 31P MRS was implemented in this study, which only needs two encoding steps for 3D localization. Spectra from the human brain acquired at 9.4T with both sequences are compared in terms of absolute SNR and SNR efficiency. Absolute SNR as well as SNR efficiency is lower for SPECIAL-semiLASER, but calculated concentrations are comparable.

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 Dates: 2020-08
 Publication Status: Published online
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Title: 2020 ISMRM & SMRT Virtual Conference & Exhibition
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Start-/End Date: 2020-08-08 - 2020-08-14

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Title: 2020 ISMRM & SMRT Virtual Conference & Exhibition
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 2962 Start / End Page: - Identifier: -