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Springer, Journal of Biomolecular NMR, 1-2(51), p. 199-207, 2011

DOI: 10.1007/s10858-011-9554-9

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Origin and removal of mixed-phase artifacts in gradient sensitivity enhanced heteronuclear single quantum correlation spectra

Journal article published in 2011 by Frans A. A. Mulder ORCID, Renee Otten, Ruud M. Scheek
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This paper is available in a repository.

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Abstract

Here we describe phasing anomalies observed in gradient sensitivity enhanced (15)N-(1)H HSQC spectra, and analyze their origin. It is shown that, as a result of (15)N off-resonance effects, dispersive contributions to the (1)H signal become detectable, and lead to (15)N-offset dependent phase errors. Strategies that effectively suppress these artifacts are presented.