Articles with "diffusivity" as a keyword



Interpretable Machine-Learning and Big Data Mining to Predict Gas Diffusivity in Metal-Organic Frameworks.

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Published in 2023 at "Advanced science"

DOI: 10.1002/advs.202301461

Abstract: For gas separation and catalysis by metal-organic frameworks (MOFs), gas diffusion has a substantial impact on the process' overall rate, so it is necessary to determine the molecular diffusion behavior within the MOFs. In this… read more here.

Keywords: gas; organic frameworks; metal organic; interpretable machine ... See more keywords

Towards Accurate Simulations of Infiltration in Homogeneous Soils Using Harmonic/Geometric Averaging

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Published in 2025 at "International Journal for Numerical Methods in Fluids"

DOI: 10.1002/fld.70014

Abstract: The one‐dimensional Richards equation has been widely employed to model water flow in porous media, but the effect of averaging soil diffusivity/hydraulic conductivity on the computed solutions has received comparatively less attention than the numerical… read more here.

Keywords: harmonic geometric; hydraulic conductivity; soils using; richards equation ... See more keywords

Genetic relatedness of axial and radial diffusivity indices of cerebral white matter microstructure in late middle age

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Published in 2018 at "Human Brain Mapping"

DOI: 10.1002/hbm.24002

Abstract: Two basic neuroimaging‐based characterizations of white matter tracts are the magnitude of water diffusion along the principal tract orientation (axial diffusivity, AD) and water diffusion perpendicular to the principal orientation (radial diffusivity, RD). It is… read more here.

Keywords: radial diffusivity; age; diffusivity; genetic relatedness ... See more keywords
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Cerebral white matter diffusion properties and free‐water with obstructive sleep apnea severity in older adults

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Published in 2020 at "Human Brain Mapping"

DOI: 10.1002/hbm.24971

Abstract: Characterizing the effects of obstructive sleep apnea (OSA) on the aging brain could be key in our understanding of neurodegeneration in this population. Our objective was to assess white matter properties in newly diagnosed and… read more here.

Keywords: diffusion; matter; diffusivity; obstructive sleep ... See more keywords

Default Mode Network quantitative diffusion and resting‐state functional magnetic resonance imaging correlates in sporadic Creutzfeldt‐Jakob disease

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Published in 2022 at "Human Brain Mapping"

DOI: 10.1002/hbm.25945

Abstract: Grey matter involvement is a well‐known feature in sporadic Creutzfeldt–Jakob disease (sCJD), yet precise anatomy‐based quantification of reduced diffusivity is still not fully understood. Default Mode Network (DMN) areas have been recently demonstrated as selectively… read more here.

Keywords: disease; creutzfeldt jakob; sporadic creutzfeldt; diffusivity ... See more keywords

Diffusion tensor imaging reveals microstructural alterations in corpus callosum and associated transcallosal fiber tracts in adult macaques with neonatal hippocampal lesions

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Published in 2018 at "Hippocampus"

DOI: 10.1002/hipo.23006

Abstract: To investigate the effects of neonatal hippocampal lesions on the microstructural integrity of the corpus callosum (CC) in adulthood, macaque monkeys (n = 5) with neonatal bilateral neurotoxic hippocampal lesion (Neo‐Hibo) and sham‐operated controls (Neo‐C, n = 5) were… read more here.

Keywords: diffusivity; fiber tracts; transcallosal fiber; neonatal hippocampal ... See more keywords

An Automated Analysis Tool for Diffusion Tensor Imaging‐Based Quantitative MRI in X‐Linked Adrenoleukodystrophy

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Published in 2025 at "Journal of Inherited Metabolic Disease"

DOI: 10.1002/jimd.70108

Abstract: X‐linked adrenoleukodystrophy (X‐ALD) is caused by ABCD1 pathogenic variants, leading to accumulation of very long‐chain fatty acids (VLCFAs). Phenotypes include cerebral ALD (CALD) and adrenomyeloneuropathy (AMN). We assessed if quantitative MRI (qMRI) parameters from an… read more here.

Keywords: quantitative mri; mri; cald; diffusion tensor ... See more keywords

Measuring healthy female nulliparous pubovisceral muscle from diffusion kurtosis imaging

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Published in 2022 at "NMR in Biomedicine"

DOI: 10.1002/nbm.4753

Abstract: This study explores the feasibility of using diffusion kurtosis imaging (DKI) in the pelvic floor region and assesses the water diffusivity of the pubovisceral muscle. Twenty‐seven healthy young nulliparous females underwent DKI at 3.0 T… read more here.

Keywords: pubovisceral muscle; diffusion; kurtosis; diffusivity ... See more keywords

What does FEXI measure?

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Published in 2022 at "NMR in Biomedicine"

DOI: 10.1002/nbm.4804

Abstract: Filter‐exchange imaging (FEXI) has already been utilized in several biomedical studies for evaluating the permeability of cell membranes. The method relies on suppressing the extracellular signal using strong diffusion weighting (the mobility filter causing a… read more here.

Keywords: exchange; filter; geometry; diffusivity ... See more keywords

Boron-Doping Induced Electron Delocalization in Fluorophosphate Cathode: Enhanced Na-Ion Diffusivity and Sodium-Ion Full Cell Performance.

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Published in 2023 at "Small"

DOI: 10.1002/smll.202302097

Abstract: Na3 V2 (PO4 )2 O2 F (NVPOF) is widely accepted as advanced cathode material for sodium-ion batteries with high application prospects ascribing to its considerable specific capacity and high working voltage. However, challenges in the… read more here.

Keywords: delocalization; full cell; diffusivity; sodium ion ... See more keywords

Determination of the water diffusivity dependence with the flow rate using a DVS equipment

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Published in 2025 at "European Journal of Wood and Wood Products"

DOI: 10.1007/s00107-024-02182-z

Abstract: The effects on the measurement of water sorption and apparent diffusivity when using different flow rate values and different experimental setups, i.e., closed pan, open pan and hanging setup, have been studied in a series… read more here.

Keywords: flow rate; diffusivity; determination water;