[HTML][HTML] Quadrupolar 23Na+ NMR relaxation as a probe of subpicosecond collective dynamics in aqueous electrolyte solutions

I Chubak, L Alon, EV Silletta, G Madelin… - Nature …, 2023 - nature.com
Nuclear magnetic resonance relaxometry represents a powerful tool for extracting dynamic
information. Yet, obtaining links to molecular motion is challenging for many ions that relax …

Effect of nanoconfinement on NMR relaxation of heptane in kerogen from molecular simulations and measurements

A Valiya Parambathu, WG Chapman… - The Journal of …, 2023 - ACS Publications
Kerogen-rich shale reservoirs will play a key role during the energy transition, yet the effects
of nanoconfinement on the NMR relaxation of hydrocarbons in kerogen are poorly …

Current practices and continuing needs in thermophysical properties for the chemical industry

S Gupta, JR Elliott, A Anderko… - Industrial & …, 2023 - ACS Publications
The status of thermophysical property needs of the chemical industry is reviewed and
updated relative to similar observations from 20 years ago. The paper is informed by a …

Thermal and concentration effects on 1 H NMR relaxation of Gd 3+-aqua using MD simulations and measurements

TJP Dos Santos, AV Parambathu… - Physical Chemistry …, 2022 - pubs.rsc.org
Gadolinium-based contrast agents are key in clinical MRI for enhancing the longitudinal
NMR relativity (r1) of hydrogen nuclei (1H) in water and improving the contrast among …

Role of paramagnetic impurities and surface roughness on NMR relaxation times: Insights from molecular dynamics simulations

Y Wang, JI Amaro-Estrada… - The Journal of Physical …, 2023 - ACS Publications
Paramagnetic impurities in rocks can substantially affect 1H nuclear magnetic resonance
(NMR) measurements; their spatial distribution and concentration can result in significantly …

NMR Relaxivities of Paramagnetic, Ultra‐High Spin Heterometallic Clusters within Polyoxometalate Matrix as a Function of Solvent and Metal Ion

N Schork, M Ibrahim, A Baksi, S Krämer… - …, 2022 - Wiley Online Library
Selectivity and image contrast are always challenging in magnetic resonance imaging
(MRI), which are–inter alia–addressed by contrast agents. These compounds still need to be …

Molecular Modes Elucidate the Nuclear Magnetic Resonance Relaxation of Viscous Fluids

A Valiya Parambathu… - The Journal of …, 2024 - ACS Publications
The Bloembergen, Purcell, and Pound (BPP) theory of nuclear magnetic resonance (NMR)
relaxation in fluids dating back to 1948 continues to be the linchpin in interpreting NMR …

Theory and modeling of molecular modes in the NMR relaxation of fluids

TJ Pinheiro dos Santos, B Orcan-Ekmekci… - The Journal of …, 2024 - pubs.aip.org
Traditional theories of the nuclear magnetic resonance (NMR) autocorrelation function for
intra-molecular dipole pairs assume a single-exponential decay, yet the calculated …

Theory and modeling of molecular modes in the NMR relaxation of fluids

TJ Santos, B Orcan-Ekmecki, WG Chapman… - arXiv preprint arXiv …, 2023 - arxiv.org
Traditional theories of the NMR autocorrelation function for intramolecular dipole pairs
assume single-exponential decay, yet the calculated autocorrelation of realistic systems …

Combined estimation of B1 and T1 for dynamic contrast-enhanced MRI by accounting for incomplete spoiling of transverse magnetization

J He, ZF Li, TF Qi, Z Hou, TS Koh - Biomedical Physics & …, 2023 - iopscience.iop.org
Objective. The variable flip angle (VFA) method for longitudinal relaxation time (T 1)
measurement is inherently sensitive to inaccuracies in the radiofRequency transmit field (B …