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 …

Hydrophysiology NMR reveals mechanisms of steady-state water exchange in neural tissue

NH Williamson, R Ravin, TX Cai, JA Rey, PJ Basser - bioRxiv, 2024 - biorxiv.org
Water molecules exchange incessantly across cell membranes and among different
environments within the cell, but it is not known what the dominant transport pathways are …