Describing NMR chemical exchange by effective phase diffusion approach

G Lin - Communications in Nonlinear Science and Numerical …, 2023 - Elsevier
This paper proposes an effective phase diffusion method to analyze chemical exchange in
nuclear magnetic resonance (NMR). The chemical exchange involves spin jumps around …

[HTML][HTML] Diffusion tensor imaging metrics as natural markers of multiple sclerosis-induced brain disorders with a low Expanded Disability Status Scale score

AT Krzyżak, J Lasek, Z Schneider, M Wnuk, A Bryll… - NeuroImage, 2024 - Elsevier
Non-invasive and effective differentiation along with determining the degree of deviations
compared to the healthy cohort is important in the case of various brain disorders, including …

Precise synthesis of cyclopropyl methyl ketone via proton transfer of 5-chloro-2-pentanone driven by hydrogen bonds

Q Xing, X Jia, S Jia, Y Qi, Y Wang, Y Wang… - Journal of Molecular …, 2024 - Elsevier
The traditional synthesis methods of cyclopropyl methyl ketone (CPMK) have some
disadvantages such as low yield, slow reaction rate and unclear catalytic mechanism. To …

The Diffusion Exchange Ratio (DEXR): A minimal sampling of diffusion exchange spectroscopy to probe exchange, restriction, and time-dependence

TX Cai, NH Williamson, R Ravin, PJ Basser - Journal of Magnetic …, 2024 - Elsevier
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 …

Spectral properties of the Bloch–Torrey operator in three dimensions

DS Grebenkov - Journal of Physics A: Mathematical and …, 2024 - iopscience.iop.org
We consider the Bloch-Torrey operator,−∆+ igx, that governs the time evolution of the
transverse magnetization in diffusion magnetic resonance imaging (dMRI). Using the matrix …

[HTML][HTML] Facile identification of fluorosurfactant category in aqueous film-forming foam concentrates via optimized 19F NMR

P Chen, S Zhuang, W Chen, Z Chen, R Li… - Magnetic Resonance …, 2024 - Elsevier
Aqueous film-forming foams (AFFFs) are the primary source of toxic perfluoroalkyl and
polyfluoroalkyl substances (PFAS) in wastewater. Thus, it is urgent to develop a facile and …

Nuclear spin relaxation

MCD Tayler - 2024 - books.rsc.org
This chapter explores current theoretical and experimental trends in nuclear spin relaxation,
providing a digest of around 100 research papers published between 2022 and mid 2023 …

In search of lost time: development of rapid magnetic resonance methods to probe time-varying diffusion

TX Cai - 2023 - ora.ox.ac.uk
Diffusion MR methods are a powerful means to probe tissue microstructural features. Most
diffusion MR methods and signal representations, however, do not explicitly acknowledge …