AI Article Synopsis
- The study investigates how nuclear spin relaxation occurs in liquids within solids that have irregular shapes, focusing on restricted diffusion and the effects of varying magnetic susceptibility.
- A combined approach using Brownian Dynamics, average Hamiltonian theory, and Liouville-space spin dynamics is proposed to simulate this relaxation in 3D models based on real samples from CT scans.
- The findings from these simulations are validated against experimental data, and an analytical solution for the problem is also provided within certain approximations.
Article Abstract
The theory of nuclear spin relaxation in a liquid permeating a solid structure of irregular geometry is examined. The effects of restricted diffusion and the demagnetizing field generated by an inhomogeneous distribution of magnetic susceptibility in the system are explored. A framework comprising Brownian Dynamics, average Hamiltonian theory, and Liouville-space spin dynamics is proposed for simulating nuclear spin relaxation in 3D models of random structures obtained from CT scans of actual samples. Simulations results are compared with experimental data. An analytical solution valid within approximation is also reported.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9442653 | PMC |
| http://dx.doi.org/10.1021/acs.jpcb.2c03575 | DOI Listing |
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