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


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).

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Description/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.

Item Type: Article
ISSNs: 1090-7807 (print)
1096-0856 (electronic)
Related URLs:
Keywords: isotropic filtering, singlet states, long-lived spin states, spherical tensor operators, phase cycling
Subjects: Q Science > Q Science (General)
Divisions: University Structure - Pre August 2011 > School of Chemistry
ePrint ID: 146437
Date Deposited: 21 Apr 2010 13:42
Last Modified: 28 Mar 2014 15:16
Projects:
Long-Lived Spin States in Nuclear Magnetic Resonance
Funded by: EPSRC (EP/D079209/1)
Led by: Malcolm Harris Levitt
1 May 2007 to 31 October 2010
URI: http://eprints.soton.ac.uk/id/eprint/146437

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