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Chemical Shift Imaging with Continuously Flowing Hyperpolarized Xenon for the Characterization of Materials

✍ Scribed by Igor L Moudrakovski; Stephen Lang; Christopher I Ratcliffe; Benoit Simard; Giles Santyr; John A Ripmeester

Publisher: Elsevier Science
Year: 2000
Tongue: English
Weight: 212 KB
Volume: 144
Category: Article
ISSN: 1090-7807
DOI: 10.1006/jmre.2000.2078

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✦ Synopsis

In this contribution we report new approaches to the MRI of materials using continuously produced laser-polarized 129 Xe gas. This leads to vastly improved sensitivity and makes new kinds of information available. The hyperpolarized xenon is produced in a continuous flow system that conveniently delivers the xenon at low partial pressure to probes for NMR and MRI experiments. We illustrate applications to the study of micropore and other kinds of void space and show for the first time that with flowing hyperpolarized xenon it is possible to obtain chemical-shift-resolved images in a relatively short time.

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