750 3t scanner

Manufactured by GE Healthcare

Sourced in United States

The 750 3T-scanner is a magnetic resonance imaging (MRI) system manufactured by GE Healthcare. It has a magnetic field strength of 3 Tesla, which is commonly used in advanced clinical and research applications. The 750 3T-scanner is designed to provide high-quality imaging for a variety of medical purposes.

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Lab products found in correlation

32 channel head coil, by GE Healthcare (2 mentions) Eight channel head coil, by GE Healthcare (1 mentions)

Close spelling variants of this product

GE 3T Discovery 750× scanners 3T GE 750 scanners MRI 750 3T scanners GE 750 3T MRI scanners 3T 750 MR scanner 3T Discovery 750× scanner 750 scanner 3T scanner Scanners

8 protocols using 750 3t scanner

fMRI Scanning Protocol for Brain Imaging

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After undergoing a mock scanning session to familiarize participants with the fMRI environment and reduce motion, data were acquired on a GE 750 3T-scanner (Waukesha, WI) at the NIH. Each functional run included 231 functional image volumes with 24 contiguous axial slices (in-plane resolution=2.6×2.6 mm) obtained with a T2*-weighted echo-planar sequence (repetition time/echo time ([TR/TE])=2,300/25 ms, flip=50◦; field of view (FOV)=240mm, matrix=96×96). A high-resolution structural scan was acquired (axial plane) with a T1-weighted magnetization-prepared spoiled gradient-recalled echo sequence (echo time/inversion time (TE/TI)=min full/425 ms, flip=7◦; FOV=220mm, matrix=256 ×256, in-plane resolution, 1.2×1.2 mm) for anatomical localization and co-registration of functional data.

Clarkson T., Eaton N.R., Nelson E.E., Fox N.A., Leibenluft E., Pine D.S., Heckelman A.C., Sequeira S.L, & Jarcho J. (2019). Early Childhood Social Reticence and Neural Response to Peers in Preadolescence Predict Social Anxiety Symptoms in Mid-Adolescence. Depression and anxiety, 36(8), 676-689.

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Neuroimaging Protocol for Brain Function Analysis

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Neuroimaging data were collected on a GE 750 3 T scanner with a 32-channel head coil at the University of Michigan. Functional images were acquired using multiband echo planar (EPI) pulse sequence with the following parameters: repetition time (TR) = 1.2 s; in-plane resolution = 2.5 × 2.5 mm; slice thickness = 3 mm; 51 sagittal slices; multiband acceleration factor = 3. Participants’ anatomical images were acquired at the end of the experiment using spoiled gradient-recalled acquisition in steady state (SPGR) imaging with 1x1x1 mm³ spatial resolution. To reduce potential head motion, fMRI scans were acquired first, followed by the anatomical scan. The total duration of the scans related to this study was about 30 min. If possible, we also collected resting-state fMRI and diffusion tensor imaging scans at the end of the scanning session for analyses unrelated to the current study. However, some participants, especially the younger ones, could not complete these two additional scans, and the results of these scans are not reported here. The total duration of the MRI session with the additional scans was about 50 min.

Chow H.M., Garnett E.O., Ratner N.B, & Chang S.E. (2023). Brain activity during the preparation and production of spontaneous speech in children with persistent stuttering. NeuroImage : Clinical, 38, 103413.

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Resting-State fMRI Acquisition Protocol

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Detailed information on the RS-fMRI acquisition is provided on https://www.nitrc.org/projects/eceo_rsfmri_9/. Here, we listed a summary of the acquisition parameters in Supplementary Table 1. All RS-fMRI data that we used in this study were acquired on GE 750 3T scanner.

Zang Z., Qiao Y., Yan S, & Lu J. (2022). Reliability and Validity of Power Spectrum Slope (PSS): A Metric for Measuring Resting-State Functional Magnetic Resonance Imaging Activity of Single Voxels. Frontiers in Neuroscience, 16, 871609.

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MRI Imaging Protocol for 3T Brain Scans

Cited 2 times

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MRI scanning was performed on a GE × 750 3 T scanner (General Electric, Waukesha, WI, USA) with an eight-channel head coil and parallel imaging with the Array Spatial Sensitivity Encoding Technique. A T1-weighted volume scan was acquired in the axial plane with a 3D fast spoiled gradient-echo sequence using the following parameters: inversion time (TI) = 450 ms; repetition time (TR) = 8.2 ms; echo time (TE) = 3.2 ms; flip angle = 12°; acquisition matrix = 256 mm × 256 mm, field of view (FOV) = 256 mm; slice thickness = 1.0 mm, no gap, yielding a voxel resolution of 1 mm isometric. A 3D T2 FLAIR sequence was acquired in the sagittal plane using the following parameters: TI = 1868 ms; TR = 6000 ms; TE = 123 ms; flip angle = 90°; acquisition matrix = 256 mm × 256 mm, FOV = 256 mm; slice thickness = 2.0 mm, no gap, yielding a voxel resolution of 1 mm × 1 mm × 2 mm. Additional details have been previously described [6 (link), 7 (link)].

Vesperman C.J., Pozorski V., Dougherty R.J., Law L.L., Boots E., Oh J.M., Gallagher C.L., Carlsson C.M., Rowley H.A., Ma Y., Bendlin B.B., Asthana S., Sager M.A., Hermann B.P., Johnson S.C., Cook D.B, & Okonkwo O.C. (2018). Cardiorespiratory fitness attenuates age-associated aggregation of white matter hyperintensities in an at-risk cohort. Alzheimer's Research & Therapy, 10, 97.

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3T fMRI Acquisition Protocol

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Data were acquired on a GE 750 3T-scanner (Waukesha, WI), at the NIH. Each functional run included, 231 image volumes, with 24 contiguous axial slices (in-plane resolution = 2.6 × 2.6 mm) obtained with a T2*-weighted echo-planar sequence (repetition time/echo time ([TR/TE]) = 2,300/25 ms, flip = 50◦; field of view (FOV) = 240 mm, matrix = 96 × 96). To facilitate anatomical localization and co-registration of functional data, a high-resolution structural scan was acquired (axial plane) with a T1-weighted magnetization- prepared spoiled gradient-recalled echo sequence (echo time/inversion time (TE/TI) = min full/425 ms, flip = 7◦; FOV = 220 mm, matrix = 256 × 256, in-plane resolution, 1.2 × 1.2 mm).

Jarcho J.M., Grossman H.Y., Guyer A.E., Quarmley M., Smith A.R., Fox N.A., Leibenluft E., Pine D.S, & Nelson E.E. (2019). Connecting childhood wariness to adolescent social anxiety through the brain and peer experiences. Journal of abnormal child psychology, 47(7), 1153-1164.

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Multimodal Neuroimaging Protocol for Brain Research

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All images were collected in a GE 750 3 T scanner using a 32-channel head coil in the Nuclear Magnetic Resonance Center at the NIH.
The following imaging parameters were used:
T1-weighted anatomical images: Magnetization prepared rapid acquisition gradient echo (MPRAGE), 3D inversion recovery, TR: 7.664 ms, TE: 3.42 ms, TI: 425 ms, slice thickness: 1 mm, 1 × 1 mm in-plane resolution, percent phase FoV: 100, flip angle: 7, matrix size: 256 × 256.
T2-weighted diffusion images: Fat-saturated, 62 images, TR: 7.500 ms, TE: 100.74 ms, slice thickness: 2.5 mm, 0.9375 mm × 0.9375 mm in-plane resolution, FoV: 240, percent phase FoV: 80, flip angle: 90, matrix size 256 × 256, maximum B value 1100, 70 diffusion directions and 10 non-diffusion weighted images.
Functional MRI data: Echoplanar images (EPI), TR: 2000 ms, TE: 27 ms, 40 slices with thickness: 3 mm, 2.5 × 2.5 mm in-plane resolution, axial orientation, FoV: 240, percent phase FoV: 100, flip angle: 70, matrix size: 96 × 96. FMRI data were collected during rest with eyes closed for 5 min.

Tinaz S., Lauro P.M., Ghosh P., Lungu C, & Horovitz S.G. (2016). Changes in functional organization and white matter integrity in the connectome in Parkinson's disease. NeuroImage : Clinical, 13, 395-404.

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Knee MRI Protocol Comparison

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All scans were performed on a 3T 750 scanner (GE Healthcare, Waukesha, WI, USA). Informed consent was obtained from all subjects in accordance with the Institutional Review Board protocol at our institution. The volunteer scans used a 16-channel receive coil wrapped around the knee (GEM Flex by NeoCoil, Waukesha, WI, USA), the phantom scans used a single-channel transmit-receive wrist coil (GE BC-10 by Mayo Clinic, Rochester MN, USA), and the patient scans used an 8-channel transmit-receive knee coil (Knee Array Coil by Invivo, Gainesville, FL, USA).

Sveinsson B., Chaudhari A., Gold G, & Hargreaves B. (2016). A Simple Analytic Method for Estimating T2 in the Knee from DESS. Magnetic resonance imaging, 38, 63-70.

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Evaluation of Line-Based Signal Model and Denoising in MRI

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We evaluated our line-based signal model and denoising method with simulations as well as phantom and in vivo scans, with parameters as shown in table 1. Spoiler gradient moments will be specified with the number of dephasing cycles (full rotational differences between spins in a voxel) produced by the gradient over a 3 mm slice, where G_n = n · 7.83 mT m⁻¹ · ms gives n cycles of dephasing. This is a convenient unit as it should ideally be kept at integer values for proper spoiling.
All scans were performed on a 3T 750 scanner (GE Healthcare, Waukesha, WI). Informed subject consent was obtained in accordance with the Institutional Review Board protocol at our institution. All in vivo scans used a 16-channel flexible receive coil that wrapped around the knee (GEM Flex by NeoCoil). All scans used a water-selective spectral-spatial radiofrequency pulse.

Sveinsson B., Gold G.E., Hargreaves B.A, & Yoon D. (2021). Utilizing shared information between gradient-spoiled and RF-spoiled steady-state MRI signals. Physics in medicine and biology, 66(1), 01NT03.

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