Diffusion MRI with pulsed and free gradient waveforms: effects of restricted diffusion and exchange
Monitoring time dependence with diffusion MRI yields observables sensitive to compartment
sizes (restricted diffusion) and membrane permeability (water exchange). However …
sizes (restricted diffusion) and membrane permeability (water exchange). However …
[HTML][HTML] Diffusion MRI with free gradient waveforms on a high-performance gradient system: Probing restriction and exchange in the human brain
The dependence of the diffusion MRI signal on the diffusion time carries signatures of
restricted diffusion and exchange. Here we seek to highlight these signatures in the human …
restricted diffusion and exchange. Here we seek to highlight these signatures in the human …
Equivalence of double and single wave vector diffusion contrast at low diffusion weighting
SN Jespersen - NMR in Biomedicine, 2012 - Wiley Online Library
Multiple pulsed field gradient diffusion sequences have received renewed interest in recent
years as a potentially new type of MRI contrast. This attention is largely a result of the ability …
years as a potentially new type of MRI contrast. This attention is largely a result of the ability …
[HTML][HTML] Cross-term-compensated gradient waveform design for tensor-valued diffusion MRI
F Szczepankiewicz, J Sjölund - Journal of magnetic resonance, 2021 - Elsevier
Diffusion MRI uses magnetic field gradients to sensitize the signal to the random motion of
spins. In addition to the prescribed gradient waveforms, background field gradients …
spins. In addition to the prescribed gradient waveforms, background field gradients …
Effects of nongaussian diffusion on “isotropic diffusion” measurements: an ex-vivo microimaging and simulation study
Designing novel diffusion-weighted pulse sequences to probe tissue microstructure beyond
the conventional Stejskal-Tanner family is currently of broad interest. One such technique …
the conventional Stejskal-Tanner family is currently of broad interest. One such technique …
Correction of gradient crosstalk and optimization of measurement parameters in diffusion MR imaging
M Eis, M Hoehnberlage - Journal of Magnetic Resonance, Series B, 1995 - Elsevier
Systematic errors in quantitative diffusion MRI are primarily due to the interference of the
imaging gradients with the gradients used for diffusion sensitization. To compensate for …
imaging gradients with the gradients used for diffusion sensitization. To compensate for …
Optimizing gradient waveforms for microstructure sensitivity in diffusion-weighted MR
Variations in gradient waveforms can provide different levels of sensitivity to microstructure
parameters in diffusion-weighted MR. We present a method that identifies gradient …
parameters in diffusion-weighted MR. We present a method that identifies gradient …
Numerical study of a macroscopic finite pulse model of the diffusion MRI signal
Diffusion magnetic resonance imaging (dMRI) is an imaging modality that probes the
diffusion characteristics of a sample via the application of magnetic field gradient pulses …
diffusion characteristics of a sample via the application of magnetic field gradient pulses …
Unraveling diffusion constants in biological tissue by combining Carr‐Purcell‐Meiboom‐Gill imaging and pulsed field gradient NMR
D van Dusschoten, CTW Moonen… - Magnetic resonance …, 1996 - Wiley Online Library
A diffusion‐weighted multi‐spin‐echo pulse sequence is presented, which allows for
simultaneous measurement of T2, the fractional amplitude, and the diffusion constant of …
simultaneous measurement of T2, the fractional amplitude, and the diffusion constant of …
Time‐dependent influence of cell membrane permeability on MR diffusion measurements
Purpose To investigate the influence of cell membrane permeability on diffusion
measurements over a broad range of diffusion times. Methods Human myelogenous …
measurements over a broad range of diffusion times. Methods Human myelogenous …