Artifacts can emerge in spectra recorded with even the simplest of pulse schemes: an HMQC case study View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2019-02-23

AUTHORS

Lewis E. Kay

ABSTRACT

With the development of sophisticated pulsed field gradient- and phase cycling-approaches for suppressing certain coherence transfer pathways and selecting for others it is sometimes easy to forget that the process is not flawless. In some cases artifacts can emerge because unwanted transfers are immune to the phase cycle or the application of gradients. We consider here a simple 1H,13C HMQC pulse scheme and show that imperfections in the single 1H 180° refocusing pulse can give rise to small artifacts in methyl spectra that cannot be eliminated through extensive phase cycling or the use of gradients, but that are easily removed when the pulse is of the composite variety. More... »

PAGES

1-5

Journal

TITLE

Journal of Biomolecular NMR

ISSUE

N/A

VOLUME

N/A

Author Affiliations

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s10858-019-00227-7

DOI

http://dx.doi.org/10.1007/s10858-019-00227-7

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1112360355

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/30798393


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