Journal
PROGRESS IN NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY
Volume 130, Issue -, Pages 1-46Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pnmrs.2022.01.002
Keywords
NMR spectroscopy; Ultrafast; Single-scan; Complex mixtures; Monitoring; Metabolomics
Funding
- European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program [801774/DINAMIX, 814747/SUMMIT]
- Region Pays de la Loire
- French National Infrastructure for Metabolomics and Fluxomics Metabo [HUB-ANR-11INBS-0010]
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2D NMR is widely used in various fields and has shown great potential for the study of complex biochemical or chemical mixtures. Ultrafast 2D NMR is a versatile approach that allows for the resolution of overlapped peaks in 1D spectra and provides both structural and quantitative information. It has undergone significant methodological developments and has become an efficient analytical tool with numerous applications in mixture analysis.
2D NMR is extensively used in many different fields, and its potential for the study of complex biochemical or chemical mixtures has been widely demonstrated. 2D NMR gives the ability to resolve peaks that overlap in 1D spectra, while providing both structural and quantitative information. However, complex mixtures are often analysed in situations where the data acquisition time is a crucial limitation, due to an ongoing chemical reaction or a moving sample from a hyphenated technique, or to the high throughput requirement associated with large sample collections. Among the great diversity of available fast 2D methods, ultrafast (or single-scan) 2D NMR is probably the most general and versatile approach for complex mixture analysis. Indeed, ultrafast NMR has undergone an impressive number of methodological developments that have helped turn it into an efficient analytical tool, and numerous applications to the analysis of mixtures have been reported. This review first summarizes the main concepts, features and practical limitations of ultrafast 2D NMR, as well as the methodological developments that improved its analytical potential. Then, a detailed description of the main applications of ultrafast 2D NMR to mixture analysis is given. The two major application fields of ultrafast 2D NMR are first covered, i.e., reaction/process monitoring and metabolomics. Then, the potential of ultrafast 2D NMR for the analysis of hyperpolarized mixtures is described, as well as recent developments in oriented media. This review focuses on high-resolution liquid-state 2D experiments (including benchtop NMR) that include at least one spectroscopic dimension (i.e., 2D spectroscopy and DOSY) but does not cover in depth applications without spectral resolution and/or in inhomogeneous fields. (c) 2022 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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