Discovery 3t scanner

Manufactured by GE Healthcare

The Discovery 3T scanner from GE Healthcare is a magnetic resonance imaging (MRI) system designed to provide high-quality images. It operates at a magnetic field strength of 3 Tesla, which enables the acquisition of detailed anatomical and functional information. The scanner is equipped with advanced imaging capabilities to support a wide range of clinical applications.

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Lab products found in correlation

3t tim trio scanner, by Siemens (1 mentions)

Close spelling variants of this product

GE 3T Discovery 750× scanners Discovery MR750 3T MR scanner Discovery MR750 3T MRI scanner 3T Discovery 750× scanner Discovery 3T MRI scanner GE 3T Discovery MR750 scanner 3T Discovery MR750w scanner Discovery MR750 3T scanner 3T Discovery 3T scanner

4 protocols using discovery 3t scanner

High-Resolution T1-Weighted Imaging Protocol

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For the high-resolution T1-weighted imaging (T1WI) sequences, we used a GE Discovery 3T scanner with an 8-channel head coil containing 192 slices with a repetition time of 6.8 ms, echo time of 3 ms, flip angle of 12°, 1-mm slice thickness, 256 × 256 matrix, and field of view of 216 × 216. We checked the image quality and excluded data that featured visible head motion artifacts and signal noises caused by the skull base.

Jiang H., Shu Z., Luo X., Wu M., Wang M., Feng Q., Chen J., Lin C, & Ding Z. (2021). Noninvasive radiomics-based method for evaluating idiopathic central precocious puberty in girls. The Journal of International Medical Research, 49(2), 0300060521991023.

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T1 Measurements of 13C-Urea Samples

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¹³C T1 measurements were collected using the GE Discovery 3T scanner inside the ¹³C/¹H volume resonator. Four reference samples were measured individually: non-lyophilized urea in H₂O without Gd, non-lyophilized urea in H₂O with Gd, twice lyophilized urea in D₂O without Gd, and twice lyophilized urea in D₂O with Gd. A non-selective spectroscopy method was used to acquire variable flip angle measurements for calculating the T1 for ¹³C-urea in these mixtures.

Harlan C.J., Xu Z., Michel K.A., Walker C.M., Lokugama S.D., Martinez G.V., Pagel M.D, & Bankson J.A. (2020). Technical Note: A Deuterated 13C-Urea Reference for Clinical Multiparametric Prostate Cancer Studies Including Hyperpolarized Pyruvate. Medical physics, 47(7), 2931-2936.

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Brain MRI Acquisition Protocol

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Brain MRI scans were performed on a GE Discovery 3 T scanner at Pennington Biomedical Research Center. A 32-channel phased array head coil was used. Sequences included: (1) T1-weighted 3D BRAVO (voxel size, 0.94 × 0.94 × 1.2 mm³; voxel array, 256 × 256 × 140; flip angle, 12°; NEX, 2; TI, 450; bandwidth, 31.25; total run time, 6:41); (2) axial 2D FLAIR (voxel size, 1.07 × 1.07 × 2 mm³; voxel array, 224 × 224 × 69; flip angle, 160°; TE, 95 ms; TR, 9000 ms; TI, 2250 ms; NEX, 1; bandwidth, 31.25; total run time, 4:58); (3) axial 2D gradient echo EPI BOLD (voxel size, 3 × 3 × 3 mm³; voxel array, 64 × 64 × 43; flip angle, 90°; TE, 35 ms; TR, 2500 ms; NEX, 1); (4) axial 2D single-shot spin echo EPI diffusion (30 independent gradient directions; 1 B0 image; 1.875 × 1.875 × 3.6 mm³ voxel size; 128 × 128 × 56 voxel array; TE: minimum; TR: 8000). Participants wore a respiratory monitoring belt and pulse oxygenation sensor to model respiratory and cardiac effects on the BOLD signal^{19 (link)}.

Cho E., Granger J., Theall B., Lemoine N., Calvert D., Marucci J., Mullenix S., O’Neal H., Jacome T., Irving B.A., Johannsen N.M., Carmichael O, & Spielmann G. (2024). Blood and MRI biomarkers of mild traumatic brain injury in non-concussed collegiate football players. Scientific Reports, 14, 665.

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Multimodal MRI Protocol for Imitation and Observation

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MRI scanning was conducted on a General Electric Discovery 3-T scanner at the Centre for Addiction and Mental Health, on a General Electric Signa 3-T scanner at Zucker Hillside Hospital, and on a Siemens Tim Trio 3-T scanner at the Maryland Psychiatric Research Center. The imitate/observe task was part of a longer multimodal MRI protocol to which each participant consented. Each block of the task (imitate or observe) used an echo-planar imaging scan (110 repetition times of 3 seconds, echo time 30 ms, voxel size 3 mm isotropic, 50 slices, 64364 matrix with field of view=192 mm, flip angle=77°). A fast-gradient echo anatomical T 1 scan was collected for use in the preprocessing pipeline (repetition time, 2300 ms, 0.9 mm isotropic, no gap, interleaved ascending).

Hawco C., Buchanan R.W., Calarco N., Mulsant B.H., Viviano J.D., Dickie E.W., Argyelan M., Gold J.M., Iacoboni M., DeRosse P., Foussias G., Malhotra A.K, & Voineskos A.N. (2019). Separable and Replicable Neural Strategies During Social Brain Function in People With and Without Severe Mental Illness. The American journal of psychiatry, 176(7).

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