Data was acquired at a whole body 7 Tesla MRI scanner (Siemens Healthcare, Erlangen, Germany) in Magdeburg using a 32 Channel Nova Medical head coil. First, a whole-brain MP2RAGE sequence with the following parameters was acquired: Voxel resolution: 0.7 mm isotropic, 240 slices, FoV read: 224 mm, TR = 4800 ms, TE = 2.01 ms, TI1/2 = 900/2750 ms, GRAPPA 2, sagittal positioning. Shimming was performed prior to collecting the functional data, and two EPIs with opposite phase-encoding (PE) polarity were acquired before the functional scan. The functional EPI sequence (gradient-echo) had the following parameters: Voxel resolution: 1 mm isotropic, FoV read: 192 mm, TR = 2000 ms, TE = 22 ms, GRAPPA 4, interleaved acquisition, 36 slices. The same sequence was used for all functional tasks (see below). 3T-MRI data were acquired at the Philips 3T Achieva dStream MRI scanner, where a standard structural 3D MPRAGE was acquired (resolution: 1.0 mm x 1.0 mm x 1.0 mm, TI = 650 ms, echo spacing = 6.6 ms, TE = 3.93 ms, α = 10°, bandwidth = 130 Hz/pixel, FOV = 256 mm×240 mm, slab thickness = 192 mm, 128 slices).
7 tesla mri scanner
Manufactured by Siemens
Sourced in Germany
The 7 Tesla MRI scanner is a high-field magnetic resonance imaging (MRI) system designed for research applications. It utilizes a strong 7 Tesla static magnetic field to acquire high-resolution images of the human body and brain. The system is optimized for advanced imaging techniques, including functional and structural neuroimaging studies.
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Lab products found in correlation
2 protocols using 7 tesla mri scanner
1
High-resolution 7T and 3T MRI Acquisition
2
High-Resolution MRI of MS Brain Tissue
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Postmortem MRI scans from MS brains were acquired as previously described27 (link). Briefly, formalin-fixed brains were positioned in a Fomblin-filled container and were scanned in a 7-tesla MRI scanner (Siemens) equipped with a birdcage-type transmit coil and a 32-channel receive coil. A 3D T1w magnetization-prepared rapid gradient echo (T1-MP2RAGE, repetition time = 2200 ms, echo time = 3.04 ms, flip angle = 7 degrees, nominal resolution. 0.6×0.6×0.6 mm3, acquisition time: 6 minutes, 35 seconds) and a 3D high-resolution multigradient-echo (GRE, repetition time = 60 ms, echo times = 6.09, 15.99, 25.89, and 35.79 ms, flip angle = 10 degrees, nominal resolution. 0.42×0.42×0.42 mm3, acquisition time: 2 hours, 15 minutes) T2*w sequence were acquired.
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