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Targeted chemical modifications identify key features of carbohydrate assemblies and generate tailored carbohydrate materials

MPG-Autoren
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Gim,  Soeun
Martina Delbianco, Biomolekulare Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Fittolani,  Giulio
Martina Delbianco, Biomolekulare Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Yu,  Yang
Martina Delbianco, Biomolekulare Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Zhu,  Yuntao
Peter H. Seeberger - Automated Systems, Biomolekulare Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Seeberger,  Peter H.
Peter H. Seeberger - Automated Systems, Biomolekulare Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Delbianco,  Martina
Martina Delbianco, Biomolekulare Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Zitation

Gim, S., Fittolani, G., Yu, Y., Zhu, Y., Seeberger, P. H., Ogawa, Y., et al. (2021). Targeted chemical modifications identify key features of carbohydrate assemblies and generate tailored carbohydrate materials. Chemistry – A European Journal, 27(52), 13139-13143. doi:10.1002/chem.202102164.


Zitierlink: https://hdl.handle.net/21.11116/0000-0008-EE35-1
Zusammenfassung
The molecular level description of carbohydrate assemblies is hampered by their structural complexity and the lack of suitable analytical methods. Here, we employed systematic chemical modifications to identify key non-covalent interactions that triggered the supramolecular assembly of a disaccharide model. While some modifications disrupted the supramolecular organization, others were tolerated, delivering important information on the aggregation process. The screening identified new geometries, including nanotubes, and twisted ribbons that were characterized with electron tomography and electron diffraction (ED) methods. This work demonstrates that the combination of synthetic chemistry and ED-methods is a powerful tool to draw correlations between the molecular structure and the nanoscale architecture of carbohydrate assemblies.