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In-depth structural analysis of glycans in the gas phase

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Abstract

Although there have been substantial improvements in glycan analysis over the past decade, the lack of both high-resolution and high-throughput methods hampers progress in glycomics. This perspective article highlights the current developments of liquid chromatography, mass spectrometry, ion-mobility spectrometry and cryogenic IR spectroscopy for glycan analysis and gives a critical insight to their individual strengths and limitations. Moreover, we discuss a novel concept in which ion mobility-mass spectrometry and cryogenic IR spectroscopy is combined in a single instrument such that datasets consisting of m/z, collision cross sections and IR fingerprints can be obtained. This multidimensional data will then be compared to a comprehensive reference library of intact glycans and their fragments to accurately identify unknown glycans on a high-throughput scale with minimal sample requirements. Due to the complementarity of the obtained information, this novel approach is highly diagnostic and also suitable for the identification of larger glycans; however, the workflow and instrumentation is straightforward enough to be implemented into a user-friendly setup.

Graphical abstract: In-depth structural analysis of glycans in the gas phase

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Publication details

The article was received on 05 Dec 2018, accepted on 04 Jan 2019 and first published on 04 Jan 2019


Article type: Minireview
DOI: 10.1039/C8SC05426F
Citation: Chem. Sci., 2019, Advance Article
  • Open access: Creative Commons BY license
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    In-depth structural analysis of glycans in the gas phase

    E. Mucha, A. Stuckmann, M. Marianski, W. B. Struwe, G. Meijer and K. Pagel, Chem. Sci., 2019, Advance Article , DOI: 10.1039/C8SC05426F

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