期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 20, 期 35, 页码 11171-11175出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201402920
关键词
DOSY spectroscopy; homonuclear broadband decoupling; mixture analysis; NMR spectroscopy; pure shift
资金
- Austrian Science Foundation (FWF) [P24742]
- Austrian Academy of Sciences
- Austrian Science Fund (FWF) [P24742] Funding Source: Austrian Science Fund (FWF)
- Austrian Science Fund (FWF) [P 24742] Funding Source: researchfish
For the analysis of compound mixtures by NMR spectroscopy, it is important to assign the different peaks to the individual constituents. Diffusion-ordered spectroscopy (DOSY) is often used for the separation of signals based on their self-diffusion coefficient. However, this method often fails in the case of signal overlap, which is a particular problem for H-1-detected DOSY spectra. Herein, an approach that allows the acquisition of homonuclear broadband-decoupled DOSY spectra without the introduction of an additional decoupling dimension, by instant decoupling during acquisition, is presented. It was demonstrated on a mixture of six alcohols, and the investigation of the binding of a dodecapeptide to membrane mimetics.
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