2023
B1 inhomogeneity‐corrected T1 mapping and quantitative magnetization transfer imaging via simultaneously estimating Bloch‐Siegert shift and magnetization transfer effects
Jang A, Han P, Ma C, Fakhri G, Wang N, Samsonov A, Liu F. B1 inhomogeneity‐corrected T1 mapping and quantitative magnetization transfer imaging via simultaneously estimating Bloch‐Siegert shift and magnetization transfer effects. Magnetic Resonance In Medicine 2023, 90: 1859-1873. PMID: 37427533, PMCID: PMC10528411, DOI: 10.1002/mrm.29778.Peer-Reviewed Original ResearchConceptsBloch-Siegert shiftBloch-SiegertMagnetization transfer effectsMonte Carlo simulationsSpin-lattice relaxationSpin-bath modelMagnetization transferBinary spin-bath modelCarlo simulationsProton fractionOff-resonance irradiationIn vivo brain studiesBloch simulationsPhantom experimentsMagnetizationEstimationTransmitted fieldQuantitative magnetization transferMethod performanceMT effectSignal equation
2016
Investigation of control scans in pseudo‐continuous arterial spin labeling (pCASL): Strategies for improving sensitivity and reliability of pCASL
Han P, Choi S, Park S. Investigation of control scans in pseudo‐continuous arterial spin labeling (pCASL): Strategies for improving sensitivity and reliability of pCASL. Magnetic Resonance In Medicine 2016, 78: 917-929. PMID: 27690322, DOI: 10.1002/mrm.26474.Peer-Reviewed Original Research
2015
Inter-Slice Blood Flow and Magnetization Transfer Effects as A New Simultaneous Imaging Strategy
Han P, Barker J, Kim K, Choi S, Bae K, Park S. Inter-Slice Blood Flow and Magnetization Transfer Effects as A New Simultaneous Imaging Strategy. PLOS ONE 2015, 10: e0140560. PMID: 26466316, PMCID: PMC4605487, DOI: 10.1371/journal.pone.0140560.Peer-Reviewed Original ResearchConceptsAlternate ascending/descending directional navigationPseudo-continuous ASLBlood flowPulsed ASL methodClinically reasonable timeMT asymmetryBlood flow signalsMaps of blood flowSimultaneous blood flowCerebral blood flow signalsPreparation RF pulseFlip anglePerfusion signalBSSFP readoutMT ratioFlow signalsImaging strategiesMagnetization transferASL methodLabeling planeRF pulsesMagnetization transfer effectsSuperposition of signalsInvestigation of Inter-Slice Magnetization Transfer Effects as a New Method for MTR Imaging of the Human Brain
Barker J, Han P, Choi S, Bae K, Park S. Investigation of Inter-Slice Magnetization Transfer Effects as a New Method for MTR Imaging of the Human Brain. PLOS ONE 2015, 10: e0117101. PMID: 25664938, PMCID: PMC4321840, DOI: 10.1371/journal.pone.0117101.Peer-Reviewed Original ResearchConceptsBalanced steady-state free precessionFlip angleMagnetization transferMagnetization transfer effectsSteady-state free precessionSaturation pulseModel of MTFree precessionMT-weightedAcquisition parametersMT effectMT ratioDelay timePrecessionMTR imagesHigh SNRInterslicePE stepsMagnetizationFlip