Time-dependent diffusion magnetic resonance imaging: measurement, modeling, and applications
R Ba, L Kang, D Wu - Journal of Zhejiang University-SCIENCE A, 2024 - Springer
Increasingly, attention is being directed towards time-dependent diffusion magnetic
resonance imaging (TDDMRI), a method that reveals time-related changes in the diffusional …
resonance imaging (TDDMRI), a method that reveals time-related changes in the diffusional …
[HTML][HTML] Cerebellar imaging with diffusion magnetic resonance imaging: approaches, challenges, and potential
Highlights•The small size and tight packaging of the cerebellum makes dMRI challenging.•
Advancements in hardware, acquisition, and analyses hold promise for the cerebellum.•Non …
Advancements in hardware, acquisition, and analyses hold promise for the cerebellum.•Non …
[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 …
Water exchange rates measure active transport and homeostasis in neural tissue
NH Williamson, R Ravin, TX Cai, M Falgairolle… - PNAS …, 2023 - academic.oup.com
For its size, the brain is the most metabolically active organ in the body. Most of its energy
demand is used to maintain stable homeostatic physiological conditions. Altered …
demand is used to maintain stable homeostatic physiological conditions. Altered …
Revealing membrane integrity and cell size from diffusion kurtosis time dependence
Purpose The nonmonotonic dependence of diffusion kurtosis on diffusion time has been
observed in biological tissues, yet its relation to membrane integrity and cellular geometry …
observed in biological tissues, yet its relation to membrane integrity and cellular geometry …
[HTML][HTML] Meningioma microstructure assessed by diffusion MRI: An investigation of the source of mean diffusivity and fractional anisotropy by quantitative histology
Background Mean diffusivity (MD) and fractional anisotropy (FA) from diffusion MRI (dMRI)
have been associated with cell density and tissue anisotropy across tumors, but it is …
have been associated with cell density and tissue anisotropy across tumors, but it is …
The Diffusion Exchange Ratio (DEXR): A minimal sampling of diffusion exchange spectroscopy to probe exchange, restriction, and time-dependence
Water exchange is increasingly recognized as an important biological process that can
affect the study of biological tissue using diffusion MR. Methods to measure exchange …
affect the study of biological tissue using diffusion MR. Methods to measure exchange …
[HTML][HTML] Low-field, high-gradient NMR shows diffusion contrast consistent with localization or motional averaging of water near surfaces
Nuclear magnetic resonance (NMR) measurements of water diffusion have been extensively
used to probe microstructure in porous materials, such as biological tissue, however …
used to probe microstructure in porous materials, such as biological tissue, however …
Cardiac q‐space trajectory imaging by motion‐compensated tensor‐valued diffusion encoding in human heart in vivo
Purpose Tensor‐valued diffusion encoding can probe more specific features of tissue
microstructure than what is available by conventional diffusion weighting. In this work, we …
microstructure than what is available by conventional diffusion weighting. In this work, we …
Tuned exchange imaging: Can the filter exchange imaging pulse sequence be adapted for applications with thin slices and restricted diffusion?
Filter exchange imaging (FEXI) is a double diffusion‐encoding (DDE) sequence that is
specifically sensitive to exchange between sites with different apparent diffusivities. FEXI …
specifically sensitive to exchange between sites with different apparent diffusivities. FEXI …