2025
Metabolism of Choline and Deuterated Choline Detected by 1H–14N 2D Heteronuclear Single-Quantum Coherence (HSQC) NMR
de Graaf R, Thomas M, De Feyter H. Metabolism of Choline and Deuterated Choline Detected by 1H–14N 2D Heteronuclear Single-Quantum Coherence (HSQC) NMR. Analytical Chemistry 2025, 97: 6586-6593. PMID: 40113557, DOI: 10.1021/acs.analchem.4c06235.Peer-Reviewed Original ResearchConceptsHeteronuclear single-quantum coherenceChemical shift dispersionSingle-quantum coherenceShift dispersionSimultaneous detectionCholine metabolismDetection sensitivityTwo-DimensionalDeuterated cholineDeuterationSequence parametersGlycerophosphocholineCultured cancer cellsBrain tumor tissueProtonTumor growthTumor tissuesPhosphocholineCancer cellsCholine signalRat brainCholine levels
2021
Sensitivity of Myocardial Radiomic Features to Imaging Parameters in Cardiac MR Imaging
Jang J, El‐Rewaidy H, Ngo L, Mancio J, Csecs I, Rodriguez J, Pierce P, Goddu B, Neisius U, Manning W, Nezafat R. Sensitivity of Myocardial Radiomic Features to Imaging Parameters in Cardiac MR Imaging. Journal Of Magnetic Resonance Imaging 2021, 54: 787-794. PMID: 33650227, PMCID: PMC9190024, DOI: 10.1002/jmri.27581.Peer-Reviewed Original ResearchConceptsRadiomic featuresIn-plane spatial resolutionImaging parametersSpatial resolutionBalanced steady-state free precessionCardiac magnetic resonanceIn-plane resolutionStandardized mean differenceSteady-state free precessionParallel imaging techniquesFlip angleCardiac MRCardiac MR imagesFree precessionMean differenceSlice thicknessMR imagingMagnetic resonanceCalculated valuesMyocardial contoursSequence parametersImaging techniquesWavelet filters
2020
Spectral editing in 1H magnetic resonance spectroscopy: Experts' consensus recommendations
Choi I, Andronesi O, Barker P, Bogner W, Edden R, Kaiser L, Lee P, Marjańska M, Terpstra M, de Graaf R. Spectral editing in 1H magnetic resonance spectroscopy: Experts' consensus recommendations. NMR In Biomedicine 2020, 34: e4411. PMID: 32946145, PMCID: PMC8557623, DOI: 10.1002/nbm.4411.Peer-Reviewed Original ResearchConceptsSpectral editingIn vivo<sup>1</sup>H MRS, paMulticenter clinical trialSpectral fittingExpert consensus recommendationsD-2-hydroxyglutarateJ-couplingG-aminobutyric acidH-MRSFrequency driftClinical trialsSignal overlapConsensus recommendationsMagnetic resonance spectroscopyMetabolite signalsResonance spectroscopyResonanceExpert recommendationsSequence parameters
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