Two elephants in the room: new hybrid nuclear magnetic resonance and mass spectrometry approaches for metabolomics.

Abstract:

PURPOSE OF REVIEW:This review describes some of the advances made over the past year in NMR-based metabolomics for the elucidation of known and unknown compounds, including new ways of how to combine this information with high-resolution mass spectrometry. RECENT FINDINGS:A new method allows the back-calculation of mass spectra from NMR spectra that have been queried against databases improving the accuracy of the identified compounds by validation and consistency analysis. For the de-novo characterization of unknown compounds, an algorithm has been introduced that predicts all viable NMR spectra from accurate masses allowing, by comparison with experimental NMR data, the determination of the structures of new metabolites in complex mixtures. SUMMARY:Recent advances in NMR and mass spectrometry-based metabolomics and their synergistic use promises to significantly improve metabolomics sample characterization both in terms of identification and quantitation, and accelerate metabolite discovery.

authors

Bingol K,Brüschweiler R

doi

10.1097/MCO.0000000000000206

subject

Has Abstract

pub_date

2015-09-01 00:00:00

pages

471-7

issue

5

eissn

1363-1950

issn

1473-6519

journal_volume

18

pub_type

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