Gras V - Search Results

1

B₁ artifact reduction in abdominal DCE-MRI using k_T -points: First clinical assessment of dynamic RF shimming at 3T.

Tomi-Tricot R, Gras V, Mauconduit F, Legou F, Boulant N, Gebhardt M, Ritter D, Kiefer B, Zerbib P, Rahmouni A, Vignaud A, Luciani A, Amadon A. Tomi-Tricot R, et al. Among authors: gras v. J Magn Reson Imaging. 2018 Jun;47(6):1562-1571. doi: 10.1002/jmri.25908. Epub 2017 Nov 21. J Magn Reson Imaging. 2018. PMID: 29159855

2

Analysis of proton-density bias corrections based on T1 measurement for robust quantification of water content in the brain at 3 Tesla.

Abbas Z, Gras V, Möllenhoff K, Keil F, Oros-Peusquens AM, Shah NJ. Abbas Z, et al. Among authors: gras v. Magn Reson Med. 2014 Dec;72(6):1735-45. doi: 10.1002/mrm.25086. Epub 2014 Jan 16. Magn Reson Med. 2014. PMID: 24436248 Free article.

3

Signal-domain optimization metrics for MPRAGE RF pulse design in parallel transmission at 7 tesla.

Gras V, Vignaud A, Mauconduit F, Luong M, Amadon A, Le Bihan D, Boulant N. Gras V, et al. Magn Reson Med. 2016 Nov;76(5):1431-1442. doi: 10.1002/mrm.26043. Epub 2015 Nov 24. Magn Reson Med. 2016. PMID: 26599411 Free article.

4

Joint design of kT-points trajectories and RF pulses under explicit SAR and power constraints in the large flip angle regime.

Gras V, Luong M, Amadon A, Boulant N. Gras V, et al. J Magn Reson. 2015 Dec;261:181-9. doi: 10.1016/j.jmr.2015.10.017. Epub 2015 Nov 10. J Magn Reson. 2015. PMID: 26619073

5

Universal pulses: A new concept for calibration-free parallel transmission.

Gras V, Vignaud A, Amadon A, Le Bihan D, Boulant N. Gras V, et al. Magn Reson Med. 2017 Feb;77(2):635-643. doi: 10.1002/mrm.26148. Epub 2016 Feb 17. Magn Reson Med. 2017. PMID: 26888654 Free article.

6

Diffusion-weighted DESS protocol optimization for simultaneous mapping of the mean diffusivity, proton density and relaxation times at 3 Tesla.

Gras V, Farrher E, Grinberg F, Shah NJ. Gras V, et al. Magn Reson Med. 2017 Jul;78(1):130-141. doi: 10.1002/mrm.26353. Epub 2016 Aug 1. Magn Reson Med. 2017. PMID: 27476684 Free article.

7

Probabilistic analysis of the specific absorption rate intersubject variability safety factor in parallel transmission MRI.

Le Garrec M, Gras V, Hang MF, Ferrand G, Luong M, Boulant N. Le Garrec M, et al. Among authors: gras v. Magn Reson Med. 2017 Sep;78(3):1217-1223. doi: 10.1002/mrm.26468. Epub 2016 Sep 26. Magn Reson Med. 2017. PMID: 27670737 Free article.

8

In vivo demonstration of whole-brain multislice multispoke parallel transmit radiofrequency pulse design in the small and large flip angle regimes at 7 Tesla.

Gras V, Vignaud A, Amadon A, Mauconduit F, Le Bihan D, Boulant N. Gras V, et al. Magn Reson Med. 2017 Sep;78(3):1009-1019. doi: 10.1002/mrm.26491. Epub 2016 Oct 23. Magn Reson Med. 2017. PMID: 27774653 Free article.

9

New method to characterize and correct with sub-µs precision gradient delays in bipolar multispoke RF pulses.

Gras V, Vignaud A, Amadon A, Mauconduit F, Le Bihan D, Boulant N. Gras V, et al. Magn Reson Med. 2017 Dec;78(6):2194-2202. doi: 10.1002/mrm.26614. Epub 2017 Jan 23. Magn Reson Med. 2017. PMID: 28112827 Free article.

10

Homogeneous non-selective and slice-selective parallel-transmit excitations at 7 Tesla with universal pulses: A validation study on two commercial RF coils.

Gras V, Boland M, Vignaud A, Ferrand G, Amadon A, Mauconduit F, Le Bihan D, Stöcker T, Boulant N. Gras V, et al. PLoS One. 2017 Aug 21;12(8):e0183562. doi: 10.1371/journal.pone.0183562. eCollection 2017. PLoS One. 2017. PMID: 28827835 Free PMC article.

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