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Updated: Sep 26, 2026

In Situ Monitoring of Diffusion of Guest Molecules in Porous Media Using Electron Paramagnetic Resonance Imaging
Published on: September 2, 2016
In situ magnetic resonance imaging of electrically-induced water diffusion in a nafion ionic polymer film
Richard T Baker1, Leila Naji, Karen Lochhead
1Division of Physical and Inorganic Chemistry, University of Dundee, Nethergate, Dundee, UK DD1 4HN. r.t.baker@dundee.ac.uk
Abstract:
By deploying a functioning electrochemical cell inside a Magnetic Resonance Imaging (MRI) instrument, images of the electrically-induced diffusion of water through a Li+ ion-exchanged Nafion ionic polymer film in the form of two-dimensional maps of proton density and transverse relaxation time, T2, were generated and changes in these images over time and with respect to changes made to the applied potential were followed.
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