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1,640 results for “Magnetic Resonance”
Towards a Unified Benchmark and Framework for Deep Learning-Based Prediction of Nuclear Magnetic Resonance Chemical Shifts
Open the record for dataset details and reuse information.
Magnetic resonance imaging of the octopus nervous system
<p>Anatomical magnetic-resonance imaging of an octopus vulgaris with 0.5mm slice thickness and 0.25 by 0.25 mm in-plane resolution.</p> <p>The companion data paper details the acquisition procedure.</p>
Nuclear Magnetic Resonance Data of Sandstones Samples
<ul> <li> <p>Longitudinal (T1) and transverse (T2) NMR data of 18 sandstone samples</p> </li> <li> <p>Performance comparison for two different NMR devices</p> </li> <li> <p>for details see the readme file</p> </li> </ul>
Data for publication "Probing magnetic orbitals and Berry curvature with circular dichroism in resonant inelastic X-ray scattering"
<p>- plotting scripts for the RIXS spectra presented in the paper</p> <p>- analysis scripts for circular dichroism as function of the electric field</p> <p>- all spectra in HDF5 format</p>
Utility of standard diffusion-weighted magnetic resonance imaging for the identification of ischemic optic neuropathy in giant cell arteritis
<p><span>Purpose: To assess diffusion abnormalities of the optic nerve (ON) in giant cell arteritis (GCA) patients with acute onset of visual impairment (VI) using diffusion-weighted magnetic resonance imaging (DWI).</span></p> <p><span>Methods: DWI scans of GCA patients with acute VI were evaluated in a case-control study. Two blinded neuroradiologists assessed randomized DWI scans of GCA and controls for ON restricted diffusion. Statistical quality criteria and inter-rater reliability (IRR) were calculated. DWI findings were compared to ophthalmological assessments.</span></p> <p><span>Results: 35 GCA patients (76.2 ± 6.4 years; 37 scans) and 35 controls (75.7±7.6 years; 38 scans) were included. ON restricted diffusion was detected in 81.1% (Reader 1) of GCA scans. Localization of ON restricted diffusion was at the optic nerve head in 80.6%, intraorbital in 11.1% and affecting both segments in 8.3%. DWI discerned affected from unaffected ON with a sensitivity, specificity, positive and negative predictive value of 87%/99%/96%/96%. IRR for ON restricted diffusion was κ<sub>inter </sub>= 0.72 (95% CI 0.59‑0.86). DWI findings challenged ophthalmologic diagnoses in 4 cases (11.4%).</span></p> <p><span>Conclusions: DWI visualizes anterior and posterior ON ischemia in GCA patients with high sensitivity and specificity, as well as substantial inter-rater reliability. DWI may complement the ophthalmological assessment in patients with acute VI.</span></p>
Magnetic Resonance Fingerprinting DICOM Validation Datasets for Real-Time Automated Quality Control for Quantitative MRI
<p>12 DICOM validation datasets (in DICOMDIR .zip format) from two Magnetic Resonance Fingerprinting sequences at two slice thickness across three test-retest sets per configuration. Also included are the resulting vial extraction reports and data for each dataset. </p>
THE HISTORY OF THE CREATION OF MAGNETIC RESONANCE IMAGING AND THE ORDER OF GROWTH OF THE USEFUL WORK COEFFICIENT
Open the record for dataset details and reuse information.
Fig. 3 in Microstructural Impact of Ischemia and Bone Marrow-Derived Cell Therapy Revealed With Diffusion Tensor Magnetic Resonance Imaging Tractography of the Heart In Vivo
Fig. 3. Amblyomma variegatum female before engorgement
Magnetic Resonance Fingerprinting at 100mT with OPTIMUM: in vivo Healthy Hand Data with Dictionaries
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Data from: Quantitative multi-parametric magnetic resonance imaging of tumor response to photodynamic therapy
Objective: The aim of this study was to characterize response to photodynamic therapy (PDT) in a mouse cancer model using a multi-parametric quantitative MRI protocol and to identify MR parameters as potential biomarkers for early assessment of treatment outcome. Methods: CT26.WT colon carcinoma tumors were grown subcutaneously in the hind limb of BALB/c mice. Therapy consisted of intravenous injection of the photosensitizer Bremachlorin, followed by 10 min laser illumination (200 mW/cm2) of the tumor 6 h post injection. MRI at 7 T was performed at baseline, directly after PDT, as well as at 24 h, and 72 h. Tumor relaxation time constants (T1 and T2) and apparent diffusion coefficient (ADC) were quantified at each time point. Additionally, Gd-DOTA dynamic contrast-enhanced (DCE) MRI was performed to estimate transfer constants (Ktrans) and volume fractions of the extravascular extracellular space (ve) using standard Tofts-Kermode tracer kinetic modeling. At the end of the experiment, tumor viability was characterized by histology using NADH-diaphorase staining. Results: The therapy induced extensive cell death in the tumor and resulted in significant reduction in tumor growth, as compared to untreated controls. Tumor T1 and T2 relaxation times remained unchanged up to 24 h, but decreased at 72 h after treatment. Tumor ADC values significantly increased at 24 h and 72 h. DCE-MRI derived tracer kinetic parameters displayed an early response to the treatment. Directly after PDT complete vascular shutdown was observed in large parts of the tumors and reduced uptake (decreased Ktrans) in remaining tumor tissue. At 24 h, contrast uptake in most tumors was essentially absent. Out of 5 animals that were monitored for 2 weeks after treatment, 3 had tumor recurrence, in locations that showed strong contrast uptake at 72 h. Conclusion: DCE-MRI is an effective tool for visualization of vascular effects directly after PDT. Endogenous contrast parameters T1, T2, and ADC, measured at 24 to 72 h after PDT, are also potential biomarkers for evaluation of therapy outcome.
Assessing the Nature of Chiral-Induced Spin Selectivity by Magnetic Resonance. Open data set
<p>Data supporting the original figures 2,3,4 of the related publication.</p>
Cardiac magnetic resonance imaging of the index patient
<p>Cardiac magnetic resonance imaging of the index patient</p>
Dataset for the paper "A boundary-guided transformer based method for measuring distance from rectal tumor to anal verge on magnetic resonance images"
<p>A sagittal MR rectal image dataset for the field of DTAV measurement.</p>
Evaluation of the parenchymal distribution of renal steatosis using chemical shift-magnetic resonance imaging in chronic kidney disease
<p><strong>Supplementary Table.</strong> The results of normality and variance homogeneity assumptions<strong>.</strong></p>
afids-data: Magnetic resonance imaging datasets with anatomical fiducials for quality control and registration
<p>Curated anatomical landmarks placements for common neuroimaging templates and datasets.</p>
Deuterium Magnetic Resonance Imaging Using Deuterated Water-Induced 2H-Tissue Labeling Allows Monitoring Cancer Treatment at Clinical Field Strength
<p>Raw 2H-NMR Data of deuterium content in tumor tissues. </p>
Radiomics and Artificial Intelligence Analysis by T2 weighted imaging and Dynamic Contrast Enhanced Magnetic resonance imaging to predict Breast Cancer Histological Outcome
<p>Radiomics features obtained by MR images to predict Breast Cancer Histological Outcome.</p>
Magnetic Resonance Imaging to Detect Brain Damage in Patients With Multiple Sclerosis
ClinicalTrials.gov study NCT00393588. IPD Sharing: Not stated. Countries: 1. Publications: 3.
Randomised Double-Blind, Placebo-Controlled, Parallel Group Study in Patients With Active Rheumatoid Arthritis:Magnetic Resonance Imaging Sub-Study
ClinicalTrials.gov study NCT02092961. IPD Sharing: Not stated. Countries: 11. Publications: 0.
Magnetic Resonance Elastography and 2-Point Dixon MR Imaging Techniques in Diffuse Liver Disease
ClinicalTrials.gov study NCT00543777. IPD Sharing: Not stated. Countries: 1. Publications: 0.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.