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Isotropic filtering using polyhedral phase cycles: application to singlet state NMR

Isotropic filtering using polyhedral phase cycles: application to singlet state NMR
Isotropic filtering using polyhedral phase cycles: application to singlet state NMR
A technique is described for filtering out the components of an NMR signal that have passed through an isotropic spin order term. The method involves a coordinated cycle of three radiofrequency phase angles, where two of the phases correspond to the polar angles describing the vertices of a regular polyhedron, and the third angle is stepped around a circle. The most economical isotropic filtering scheme involves a 12-step phase cycle based on tetrahedral symmetry. The method is used to filter out NMR signals that have passed through singlet populations in a solution NMR experiment.

isotropic filtering, singlet states, long-lived spin states, spherical tensor operators, phase cycling
148-155
Pileio, Giuseppe
13f78e66-0707-4438-b9c9-6dbd3eb7d4e8
Levitt, Malcolm H.
bcc5a80a-e5c5-4e0e-9a9a-249d036747c3
Pileio, Giuseppe
13f78e66-0707-4438-b9c9-6dbd3eb7d4e8
Levitt, Malcolm H.
bcc5a80a-e5c5-4e0e-9a9a-249d036747c3

Pileio, Giuseppe and Levitt, Malcolm H. (2008) Isotropic filtering using polyhedral phase cycles: application to singlet state NMR. Journal of Magnetic Resonance, 191 (1), 148-155. (doi:10.1016/j.jmr.2007.11.021).

Record type: Article

Abstract

A technique is described for filtering out the components of an NMR signal that have passed through an isotropic spin order term. The method involves a coordinated cycle of three radiofrequency phase angles, where two of the phases correspond to the polar angles describing the vertices of a regular polyhedron, and the third angle is stepped around a circle. The most economical isotropic filtering scheme involves a 12-step phase cycle based on tetrahedral symmetry. The method is used to filter out NMR signals that have passed through singlet populations in a solution NMR experiment.

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More information

Published date: March 2008
Keywords: isotropic filtering, singlet states, long-lived spin states, spherical tensor operators, phase cycling

Identifiers

Local EPrints ID: 146437
URI: http://eprints.soton.ac.uk/id/eprint/146437
PURE UUID: 73a5b7f8-0d78-46f1-acec-0d66b13625c2
ORCID for Giuseppe Pileio: ORCID iD orcid.org/0000-0001-9223-3896
ORCID for Malcolm H. Levitt: ORCID iD orcid.org/0000-0001-9878-1180

Catalogue record

Date deposited: 21 Apr 2010 13:42
Last modified: 20 Jul 2019 01:06

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