All Outputs (21)

A molecular–mechanical link in shear-induced self-assembly of a functionalized biopolymeric fluid (2023)
Journal Article

23Na multiple quantum filtered (MQF) rheo-NMR methods were applied to probe the molecular foundation for flow induced self-assembly in 0.5% κ-carrageenan fluid. This method is sensitive enough to utilize an endogenous sodium ion concentration of appr... Read More about A molecular–mechanical link in shear-induced self-assembly of a functionalized biopolymeric fluid.

Novel perspectives of sodium handling in type 2 diabetes mellitus (2022)
Journal Article

Introduction: As a key regulator of body water, sodium homeostasis forms an essential component of human physiology. Type 2 Diabetes Mellitus (T2D)-associated sodium overload stems from chronic renal retention of sodium, contributing toward the devel... Read More about Novel perspectives of sodium handling in type 2 diabetes mellitus.

Free-Breathing Phase-Resolved Oxygen-Enhanced Pulmonary MRI Based on 3D Stack-of-Stars UTE Sequence (2022)
Journal Article

Compared with hyperpolarized noble gas MRI, oxygen-enhanced lung imaging is a cost-effective approach to investigate lung function. In this study, we investigated the feasibility of free-breathing phase-resolved oxygen-enhanced pulmonary MRI based on... Read More about Free-Breathing Phase-Resolved Oxygen-Enhanced Pulmonary MRI Based on 3D Stack-of-Stars UTE Sequence.

Sodium in the dermis colocates to glycosaminoglycan scaffold, with diminishment in type 2 diabetes mellitus (2021)
Journal Article

BACKGROUND. Dietary sodium intake mismatches urinary sodium excretion over prolonged periods. Our aims were to localize and quantify electrostatically bound sodium within human skin using triple-quantum-filtered (TQF) protocols for MRI and magnetic r... Read More about Sodium in the dermis colocates to glycosaminoglycan scaffold, with diminishment in type 2 diabetes mellitus.

Hyperpolarised xenon MRI and time-resolved X-ray computed tomography studies of structure-transport relationships in hierarchical porous media (2020)
Journal Article

© 2020 Elsevier B.V. Catalysed diesel particulate filter (DPF) monoliths are hierarchical porous solids, as demonstrated by mercury porosimetry. Establishing structure-transport relationships, including assessing the general accessibility of the cata... Read More about Hyperpolarised xenon MRI and time-resolved X-ray computed tomography studies of structure-transport relationships in hierarchical porous media.

Structural and chemical heterogeneity in ancient glass probed using gas overcondensation, X-ray tomography, and solid-state NMR (2020)
Journal Article

Rare ancient glasses have complex, multi-scale structures requiring more sophisticated and non-destructive pore characterisation techniques than usual. Homotattic patch models for nitrogen adsorption gave better fits to the isotherm data, more accura... Read More about Structural and chemical heterogeneity in ancient glass probed using gas overcondensation, X-ray tomography, and solid-state NMR.

Operando visualisation of battery chemistry in a sodium-ion battery by 23Na magnetic resonance imaging (2020)
Journal Article

© 2020, The Author(s). Sodium-ion batteries are a promising battery technology for their cost and sustainability. This has led to increasing interest in the development of new sodium-ion batteries and new analytical methods to non-invasively, directl... Read More about Operando visualisation of battery chemistry in a sodium-ion battery by 23Na magnetic resonance imaging.

In Situ Monitoring of Heterogeneous Catalytic Hydrogenation via 129Xe NMR Spectroscopy and Proton MRI (2019)
Journal Article

Accelerated 19F·MRI Detection of Matrix Metalloproteinase-2/-9 through Responsive Deactivation of Paramagnetic Relaxation Enhancement (2019)
Journal Article

Paramagnetic gadolinium ions (Gd III), complexed within DOTA-based chelates, have become useful tools to increase the magnetic resonance imaging (MRI) contrast in tissues of interest. Recently, " on/off " probes serving as 19 F·MRI biosensor for targ... Read More about Accelerated 19F·MRI Detection of Matrix Metalloproteinase-2/-9 through Responsive Deactivation of Paramagnetic Relaxation Enhancement.

Magnetic resonance imaging on sodium nuclei: potential medical applications of 23Na MRI (2018)
Journal Article

Sodium is a key element in a living organism. The increase of its concentration is an indicator of many pathological conditions. 23Na magnetic resonance imaging (MRI) is a quantitative method that allows to determine the sodium content in tissues and... Read More about Magnetic resonance imaging on sodium nuclei: potential medical applications of 23Na MRI.

Fluid flow in a porous medium with transverse permeability discontinuity (2018)
Journal Article

Magnetic Resonance Imaging (MRI) velocimetry methods were used to study fully developed axially symmetric fluid flow in a model porous medium of cylindrical symmetry with a transverse permeability discontinuity. Spatial mapping of fluid ow resulted i... Read More about Fluid flow in a porous medium with transverse permeability discontinuity.

Probe-Specific Procedure to Estimate Sensitivity and Detection Limits for 19F Magnetic Resonance Imaging (2016)
Journal Article

© 2016 Taylor et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cre... Read More about Probe-Specific Procedure to Estimate Sensitivity and Detection Limits for 19F Magnetic Resonance Imaging.

Molecular hydrogen and catalytic combustion in the production of hyperpolarized 83Kr and 129Xe MRI contrast agents (2016)
Journal Article

Hyperpolarized (hp) 83Kr is a promising MRI contrast agent for the diagnosis of pulmonary diseases affecting the surface of the respiratory zone. However, the distinct physical properties of 83Kr that enable unique MRI contrast also complicate the pr... Read More about Molecular hydrogen and catalytic combustion in the production of hyperpolarized 83Kr and 129Xe MRI contrast agents.

Investigating lung responses with functional hyperpolarized xenon-129 MRI in an ex vivo rat model of asthma (2015)
Journal Article

© 2015 The Authors. Wiley Periodicals, Inc. Purpose: Asthma is a disease of increasing worldwide importance that calls for new investigative methods. Ex vivo lung tissue is being increasingly used to study functional respiratory parameters independen... Read More about Investigating lung responses with functional hyperpolarized xenon-129 MRI in an ex vivo rat model of asthma.

Molecular sensing with hyperpolarized 129Xe using switchable chemical exchange relaxation transfer (2015)
Journal Article

A new approach for hyperpolarized 129Xe molecular sensors is explored using paramagnetic relaxation agents that can be deactivated upon chemical or enzymatic reaction with an analyte. Cryptophane encapsulated 129Xe within the vicinity of the paramagn... Read More about Molecular sensing with hyperpolarized 129Xe using switchable chemical exchange relaxation transfer.

Hyperpolarized 83Kr magnetic resonance imaging of alveolar degradation in a rat model of emphysema (2015)
Journal Article

© 2015 The Authors. Hyperpolarized 83Kr surface quadrupolar relaxation (SQUARE) generates MRI contrast that was previously shown to correlate with surface-to-volume ratios in porous model surface systems. The underlying physics of SQUARE contrast is... Read More about Hyperpolarized 83Kr magnetic resonance imaging of alveolar degradation in a rat model of emphysema.

Spatial mapping of flow-induced molecular alignment in a noncrystalline biopolymer fluid using double quantum filtered (DQF) 23Na MRI (2014)
Journal Article

Flow-induced molecular alignment was observed experimentally in a non-liquid- crystalline bioplymeric fluid during developed tubular flow. The fluid was comprised of rigid rods of the polysaccharide xanthan and exhibited shear-thinning behavior. With... Read More about Spatial mapping of flow-induced molecular alignment in a noncrystalline biopolymer fluid using double quantum filtered (DQF) 23Na MRI.

Cryogenics free production of hyperpolarized 129Xe and 83Kr for biomedical MRI applications (2013)
Journal Article

As an alternative to cryogenic gas handling, hyperpolarized (hp) gas mixtures were extracted directly from the spin exchange optical pumping (SEOP) process through expansion followed by compression to ambient pressure for biomedical MRI applications.... Read More about Cryogenics free production of hyperpolarized 129Xe and 83Kr for biomedical MRI applications.

Pulmonary MRI contrast using Surface Quadrupolar Relaxation (SQUARE) of hyperpolarized 83Kr (2013)
Journal Article

Hyperpolarized 83Kr has previously been demonstrated to enable MRI contrast that is sensitive to the chemical composition of the surface in a porous model system. Methodological advances have lead to a substantial increase in the 83Kr hyperpolarizati... Read More about Pulmonary MRI contrast using Surface Quadrupolar Relaxation (SQUARE) of hyperpolarized 83Kr.

Validating excised rodent lungs for functional hyperpolarized xenon-129 MRI (2013)
Journal Article

Ex vivo rodent lung models are explored for physiological measurements of respiratory function with hyperpolarized (hp) 129Xe MRI. It is shown that excised lung models allow for simplification of the technical challenges involved and provide valuable... Read More about Validating excised rodent lungs for functional hyperpolarized xenon-129 MRI.