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Reverse detection for spectral width improvements in spatially encoded dimensions of ultrafast two‐dimensional NMR spectra
Author(s) -
Wei Zhiliang,
Yang Jian,
Lin Liangjie,
Liu Guangcao,
Lin Yanqin,
Chen Zhong
Publication year - 2014
Publication title -
magnetic resonance in chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0749-1581
DOI - 10.1002/mrc.4117
Subject(s) - ultrashort pulse , chemistry , spectral line , spectral resolution , resolution (logic) , planar , spectral width , spectroscopy , dimension (graph theory) , two dimensional nuclear magnetic resonance spectroscopy , chemical shift , computational physics , analytical chemistry (journal) , optics , physics , computer science , wavelength , stereochemistry , quantum mechanics , laser , computer graphics (images) , mathematics , chromatography , artificial intelligence , pure mathematics
Recently, the spatially encoded technique has been broadly used in the fast analyses of chemical systems and real‐time detections of chemical reactions. In spatially encoded ultrafast 2D spectra, spectral widths and resolution in spatially encoded dimensions are contradictive, leading to the risk of insufficient spectral widths when providing satisfactory resolution values for all resonances. Here, a method named as reverse detection is proposed to improve the spectral width in the spatially encoded dimension. Experimental results show that spectral width improvements are at least twofold with reverse detection solely, and more improvements can be expected along with the gradient‐controlled folding method. The proposed method can be applied to almost any spatially encoded scheme with echo planar spectroscopic imaging—like detection module and may promote wide applications of ultrafast 2D spectroscopy techniques in chemical analyses. Copyright © 2014 John Wiley & Sons, Ltd.