Multiple-quantum artifacts in single-quantum two-dimensional correlated NMR spectra of strongly coupled spins

Murali, N. ; Anil Kumar, (1986) Multiple-quantum artifacts in single-quantum two-dimensional correlated NMR spectra of strongly coupled spins Chemical Physics Letters, 128 (1). pp. 58-61. ISSN 0009-2614

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Official URL: http://www.sciencedirect.com/science/article/pii/0...

Related URL: http://dx.doi.org/10.1016/0009-2614(86)80145-2

Abstract

Artifacts in the form of cross peaks have been observed along two- and three-quantum diagonals in single-quantum two-dimensional correlated (COSY) spectra of several peptides and oligonucleotides. These have been identified as due to the presence of a non-equilibrium state of kind I (a state describable by populations which differ from equilibrium) of strongly coupled spins carried over from one experiment to the next in the COSY algorithm.

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ID Code:72676
Deposited On:29 Nov 2011 03:47
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