Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Nikolai I. Avdievich"'
Autor:
Eulalia Serés Roig, Henk M. De Feyter, Terence W. Nixon, Loreen Ruhm, Anton V. Nikulin, Klaus Scheffler, Nikolai I. Avdievich, Anke Henning, Robin A. de Graaf
Publikováno v:
Magnetic Resonance in Medicine
To explore the potential of deuterium metabolic imaging (DMI) in the human brain in vivo at 7 T, using a multi-element deuterium (sup2/supH) RF coil for 3D volume coverage.sup1/supH-MR images and localizedsup2/supH MR spectra were acquired in vivo in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2184af91f10c5f24028390c78d0672c1
https://doi.org/10.1002/mrm.29439
https://doi.org/10.1002/mrm.29439
Publikováno v:
Magnetic Resonance in Medicine
Purpose Ultrahigh field MRS has improved characterization of the neurochemical profile. To compare results obtained at 9.4T to those from lower field strengths, it is of interest to quantify the concentrations of metabolites measured. Thus, measuring
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::79808211e5307b850e8cd3bcc96f949f
https://doi.org/10.1002/mrm.28958
https://doi.org/10.1002/mrm.28958
Autor:
Nikolai I. Avdievich, Anton V. Nikulin, Loreen Ruhm, Arthur W. Magill, Felix Glang, Anke Henning, Klaus Scheffler
Publikováno v:
Magnetic Resonance in Medicine
Purpose: To improve whole-brain SNR at 7 Tesla, a novel 32-element hybrid human head array coil was developed, constructed, and tested. Methods: Our general design strategy is based on 2 major ideas: Firstly, following suggestions of previous works b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9706947b3ff40201ff175ad87b2a1f5a
https://pubmed.ncbi.nlm.nih.gov/35766426
https://pubmed.ncbi.nlm.nih.gov/35766426
Publikováno v:
Magnetic Resonance in Medicine
Purpose: To present the results of the first human spinal cord in vivo MRI scans at 9.4T.Methods: A human brain coil was used to image the human spinal cord at 9.4T. All anatomical images were acquired with a T2 *-weighted gradient-echo sequence. A c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b07bb5f557d6098529cef542fd65433
https://doi.org/10.1002/mrm.28455
https://doi.org/10.1002/mrm.28455
Autor:
Nikolai I. Avdievich, A. Nikulin, Abdelwaheb Ourir, Alexandre Vignaud, D. Berrahou, Julien de Rosny
Publikováno v:
Magnetic Resonance in Medicine
Magnetic Resonance in Medicine, 2021, 86 (4), pp.2290-2300. ⟨10.1002/mrm.28845⟩
Magnetic Resonance in Medicine, 2021, 86 (4), pp.2290-2300. ⟨10.1002/mrm.28845⟩
Purpose: To theoretically describe, design, and test the new geometry of the birdcage coil for 7 Tesla anatomical brain imaging, which includes a large window on top, without deliberately jeopardizing its homogeneity and efficiency. This opencage wil
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b4d3a3c8053d2354b280062518a120ff
https://hdl.handle.net/21.11116/0000-0008-A443-3
https://hdl.handle.net/21.11116/0000-0008-A443-3
Autor:
Klaus Scheffler, L Ruhm, Nikolai I. Avdievich, Arthur W. Magill, A. Nikulin, Georgiy Solomakha
Publikováno v:
NMR in Biomedicine
The advancement of clinical applications of ultrahigh field (UHF) MRI depends heavily on advances in technology, including the development of new radiofrequency (RF) coil designs. Currently, the number of commercially available 7 T head RF coils is r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::86f2095001faf4c9944b6cdb19448482
https://hdl.handle.net/21.11116/0000-0008-85D8-E
https://hdl.handle.net/21.11116/0000-0008-85D8-E
Autor:
Andrew Martin, Wright, Saipavitra, Murali-Manohar, Tamas, Borbath, Nikolai I, Avdievich, Anke, Henning
Publikováno v:
Magnetic resonance in medicineREFERENCES. 87(1)
Ultrahigh field MRS has improved characterization of the neurochemical profile. To compare results obtained at 9.4T to those from lower field strengths, it is of interest to quantify the concentrations of metabolites measured. Thus, measuring TAn inv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::09895afebb5f327dd6e82d16ac9926f6
https://pubmed.ncbi.nlm.nih.gov/34374449
https://pubmed.ncbi.nlm.nih.gov/34374449
Publikováno v:
Magnetic Resonance in Medicine
Purpose: To improve the receive (Rx) performance of a human head transceiver (TxRx) array at 9.4T without compromising its transmit (Tx) performance, a novel 16‐element array was developed, constructed, and tested.Methods: We designed and construct
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::efab6c44aa07c11307ee3c8db8eb4242
https://doi.org/10.1002/mrm.27754
https://doi.org/10.1002/mrm.27754
Publikováno v:
NMR in biomedicineREFERENCES. 34(10)
MRI at ultra-high field (UHF, ≥7 T) provides a natural strategy for improving the quality of X-nucleus magnetic resonance spectroscopy and imaging due to the intrinsic benefit of increased signal-to-noise ratio. Considering that RF coils require bo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::ecb786ed45ca8a33732437001ec64c25
https://pubmed.ncbi.nlm.nih.gov/34169590
https://pubmed.ncbi.nlm.nih.gov/34169590
Publikováno v:
Magnetic Resonance in Medicine
Purpose Macromolecular peaks underlying metabolite spectra influence the quantification of metabolites. Therefore, it is important to understand the extent of contribution from macromolecules (MMs) in metabolite quantification. However, to model MMs
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c354593d07d0af7d575ac1b2e91e1273
https://hdl.handle.net/21.11116/0000-0006-EFD6-C
https://hdl.handle.net/21.11116/0000-0006-EFD6-C