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  Fast measurement of B1+ using the NO2RAGE pulse sequence

Metere, R., Lenich, T., Pine, K., & Möller, H. E. (2018). Fast measurement of B1+ using the NO2RAGE pulse sequence. Poster presented at Joint Annual Meeting ISMRM-ESMRMB 2018, Paris, France.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0004-C418-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-C419-3
Genre: Poster

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 Creators:
Metere, Riccardo1, Author              
Lenich, Tobias1, Author              
Pine, Kerrin2, Author              
Möller, Harald E.1, Author              
Affiliations:
1Methods and Development Unit Nuclear Magnetic Resonance, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634558              
2Department Neurophysics (Weiskopf), MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_2205649              

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 Abstract: The knowledge of the spatial distribution of the transmit field of the coil, B1+, is essential in a number of MRI applications, particularly at higher field strength. SA2RAGE is a recently developed technique for B1+ mapping, derived from the MP2RAGE scheme. The sensitivity to B1+ is obtained from a preparation pulse and optimized delays between block gradient acquisitions. Here, we propose a much faster (but otherwise comparable) method, referred to as NO2RAGE, where the B1+ sensitivity is obtained by omitting the preparation, nullifying the delays, and adjusting the other sequence parameters. The technique compares favorably against other in vivo methods.

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 Dates: 2018-06-19
 Publication Status: Not specified
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Title: Joint Annual Meeting ISMRM-ESMRMB 2018
Place of Event: Paris, France
Start-/End Date: 2018-06-16 - 2018-06-21

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Title: Proceedings of the International Society for Magnetic Resonance in Medicine (2018)
Source Genre: Proceedings
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