A simple method to obtain selective J-resolved spectra is presented, which relies on the refocusing properties of double pulsed field gradient spin-echoes and provides unambiguous assignment of the measured coupling constants. The proposed examples show how this method is of general applicability, and requires no more than a simple optimization strategy to produce artifact-free spectra. Examples of application include the determination of a small, long-range coupling constant (0.7 Hz) in trans-retinal and H-alpha couplings in a tripeptide.

Selective J-resolved spectra: A double pulsed field gradient spin-echo approach

RASTRELLI, FEDERICO;BAGNO, ALESSANDRO
2006

Abstract

A simple method to obtain selective J-resolved spectra is presented, which relies on the refocusing properties of double pulsed field gradient spin-echoes and provides unambiguous assignment of the measured coupling constants. The proposed examples show how this method is of general applicability, and requires no more than a simple optimization strategy to produce artifact-free spectra. Examples of application include the determination of a small, long-range coupling constant (0.7 Hz) in trans-retinal and H-alpha couplings in a tripeptide.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11577/1560145
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