Probing the Diffusion Mechanism of n-Alkanes in Mesoporous Confinement Using Pulsed Field Gradient NMR

JH Williams, Q Zheng, MD Mantle… - The Journal of …, 2023 - ACS Publications
Pulsed field gradient NMR experiments are used to probe the diffusion mechanism of liquid
n-alkanes, with carbon numbers in the range of 8–40, confined in five mesoporous silicas of …

Generalized Cross-Validation as a Method of Hyperparameter Search for MTGV Regularization

JBB Beckmann, A Sparks, JA Ward-Williams… - arXiv preprint arXiv …, 2023 - arxiv.org
The concept of generalized cross-validation (GCV) is applied to modified total generalized
variation (MTGV) regularization. Current implementations of the MTGV regularization rely on …

Deep Learning as a Method for Inversion of NMR Signals

JBB Beckmann, MD Mantle, AJ Sederman… - arXiv preprint arXiv …, 2023 - arxiv.org
The concept of deep learning is employed for the inversion of NMR signals and it is shown
that NMR signal inversion can be considered as an image-to-image regression problem …

Recent MRI and diffusion studies of food structures

N Schork, S Schuhmann, O Gruschke, D Gross… - Annual reports on NMR …, 2020 - Elsevier
Discussions about food quality, industrial vs. biological-organic production and their
environmental impact currently lead to socially constitutive questions about nutritional value …

Automated component analysis in DOSY NMR using information criteria

V Palmin, A Mukhin, V Ivanova, A Perepukhov… - Journal of Magnetic …, 2023 - Elsevier
This study introduces a model selection technique based on Bayesian information criteria for
estimating the number of components in a mixture during Diffusion-Ordered Spectroscopy …

Multidimensional proton nuclear magnetic resonance relaxation morphological and chemical spectrum graphics for monitoring and characterization of …

MT Resende, S Campisi‐Pinto… - Journal of the …, 2019 - Wiley Online Library
Polyunsaturated fatty acids (PUFA) are components of many commercial products such as
edible oils, foods, cosmetics, medication, and in biological systems such as phospholipids of …

Numerical inversion methods for recovering negative amplitudes in two-dimensional nuclear magnetic resonance relaxation-time correlations

TC Chandrasekera, J Mitchell - Physical Review E, 2018 - APS
Two-dimensional nuclear magnetic resonance measurements are ubiquitous in the
literature, with correlations of longitudinal T 1 and transverse T 2 relaxation times used …

In Situ Determination of Carbon Number Distributions of Mixtures of Linear Hydrocarbons Confined within Porous Media Using Pulsed Field Gradient NMR

J Williams, Q Zheng, AJ Sederman, MD Mantle… - Analytical …, 2020 - ACS Publications
Pulsed field gradient (PFG) NMR measurements, combined with a novel optimization
method, are used to determine the composition of hydrocarbon mixtures of linear alkanes …

1H LF‐NMR Energy Relaxation Time Characterization of the Chemical and Morphological Structure of PUFA‐Rich Linseed Oil During Oxidation With and Without …

MT Resende, C Linder… - European Journal of Lipid …, 2019 - Wiley Online Library
A major stability issue of food and other products containing lipids is their susceptibility to
oxidation and the efficacy of endogenous or exogenous antioxidants that are sensitive to …

Simple MATLAB and Python scripts for multi‐exponential analysis

A Afrough, R Mokhtari… - Magnetic Resonance in …, 2024 - Wiley Online Library
Multi‐exponential decay is prevalent in magnetic resonance spectroscopy, relaxation, and
imaging. This paper describes simple MATLAB and Python functions and scripts for …