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  In-vivo Z-spectra acquisition with decreased direct saturation using adiabatic spin-lock pulses at 9.4T

Herz, K., Gandhi, C., Scheffler, K., & Zaiss, M. (2018). In-vivo Z-spectra acquisition with decreased direct saturation using adiabatic spin-lock pulses at 9.4T. Poster presented at Joint Annual Meeting ISMRM-ESMRMB 2018, Paris, France.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-7D7D-8 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-936C-0
Genre: Poster

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Herz, K1, 2, Author              
Gandhi, C1, 2, Author              
Scheffler, K1, 2, Author              
Zaiss, M1, 2, Author              
Affiliations:
1Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              
2Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497796              

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 Abstract: Off-resonant spin-lock imaging enables a lot of possibilities for T1ρ and chemical exchange (CE) sensitive applications. For this purpose, a matching amplitude of the tipping and the locking pulse is required, which can be difficult due to the high power requirements of adiabatic pulses. In this work, we present a newly shaped adiabatic half-passage pulse, usable at low power to match the amplitude of the pulses. Off- and on-resonant saturated images acquired at 9.4T are shown. The new pulse shape is able to generate robust images with comparatively low power at ultra-high-field strengths.

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 Dates: 2018-06
 Publication Status: Published in print
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 Identifiers: BibTex Citekey: HerzGSZ2018
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Title: Joint Annual Meeting ISMRM-ESMRMB 2018
Place of Event: Paris, France
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Title: Joint Annual Meeting ISMRM-ESMRMB 2018
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 5127 Start / End Page: - Identifier: -