: Structural determination of carbohydrates is mostly performed by liquid-state NMR, and it is a demanding task because the NMR signals of these biomolecules explore a rather narrow range of chemical shifts, with the result that the resonances of each monosaccharide unit heavily overlap with those of others, thus muddling their punctual identification. However, the full attribution of the NMR chemical shifts brings great advantages: it discloses the nature of the constituents, the way they are interconnected, in some cases their absolute configuration, and it paves the way to other and more sophisticated analyses. The purpose of this review is to provide a practical guide into this challenging subject. It will drive through the strategy used to assign the NMR data, pinpointing the core information disclosed from each NMR experiment, and suggesting useful tricks for their interpretation, along with other resources pivotal during the study of these biomolecules.

Liquid-state NMR spectroscopy for complex carbohydrate structural analysis: A hitchhiker's guide / Speciale, Immacolata; Notaro, Anna; Garcia-Vello, Pilar; Di Lorenzo, Flaviana; Armiento, Samantha; Molinaro, Antonio; Marchetti, Roberta; Silipo, Alba; De Castro, Cristina. - In: CARBOHYDRATE POLYMERS. - ISSN 0144-8617. - 277:(2022), p. 118885. [10.1016/j.carbpol.2021.118885]

Liquid-state NMR spectroscopy for complex carbohydrate structural analysis: A hitchhiker's guide

Speciale, Immacolata;Notaro, Anna;Di Lorenzo, Flaviana;Armiento, Samantha;Molinaro, Antonio;Marchetti, Roberta;Silipo, Alba;De Castro, Cristina
2022

Abstract

: Structural determination of carbohydrates is mostly performed by liquid-state NMR, and it is a demanding task because the NMR signals of these biomolecules explore a rather narrow range of chemical shifts, with the result that the resonances of each monosaccharide unit heavily overlap with those of others, thus muddling their punctual identification. However, the full attribution of the NMR chemical shifts brings great advantages: it discloses the nature of the constituents, the way they are interconnected, in some cases their absolute configuration, and it paves the way to other and more sophisticated analyses. The purpose of this review is to provide a practical guide into this challenging subject. It will drive through the strategy used to assign the NMR data, pinpointing the core information disclosed from each NMR experiment, and suggesting useful tricks for their interpretation, along with other resources pivotal during the study of these biomolecules.
2022
Liquid-state NMR spectroscopy for complex carbohydrate structural analysis: A hitchhiker's guide / Speciale, Immacolata; Notaro, Anna; Garcia-Vello, Pilar; Di Lorenzo, Flaviana; Armiento, Samantha; Molinaro, Antonio; Marchetti, Roberta; Silipo, Alba; De Castro, Cristina. - In: CARBOHYDRATE POLYMERS. - ISSN 0144-8617. - 277:(2022), p. 118885. [10.1016/j.carbpol.2021.118885]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11588/865761
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