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An NMR probe with a high-pressure chamber made from composite materials

✍ Scribed by Pascal Castro; Marc-André Delsuc

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 275 KB
Volume: 36
Category: Article
ISSN: 0749-1581
DOI: 10.1002/(sici)1097-458x(1998110)36:11<833::aid-omr376>3.0.co;2-c

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✦ Synopsis

The development of an NMR probe operating at high pressure is described. It can operate up to 1.5 kbar, with a burst pressure of 2 kbar. The pressure chamber consists of a simple cylinder built from Ðbre-glassÈ epoxy resin composite material. Its internal diameter is 6 mm. The main 1H coil is buried in the composite material. Simple O-ring seals are used, mounted on a conical housing. This set-up allows the mounting of an additional coil at ambient pressure, acting through the composite material, with little loss of efficiency compared with a regular NMR probe, thus allowing the acquisition of heteronuclear NMR experiments. The sensitivity and resolution permit 1D and 2D studies of aqueous solutions of large biomolecules such as proteins.

John Wiley & Sons, Ltd.

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