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Supramolecular Carbohydrate Assemblies with Tunable Glycan Surfaces.

Nives Hribernik1, Marlene C S Dal Colle1,2, Junki Fujihara1,2

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Researchers developed new carbohydrate oligomers for self-assembling nanomaterials. These materials precisely display dense carbohydrate ligands, influencing Candida albicans morphology and overcoming limitations of previous scaffolds.

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Area of Science:

  • Supramolecular chemistry
  • Nanomaterials science
  • Carbohydrate chemistry

Background:

  • Self-assembly of molecular building blocks creates nanomaterials with precise ligand presentation.
  • Challenges exist in incorporating bulky or hydrophilic ligands, like carbohydrates, into supramolecular scaffolds.
  • Current methods often dilute ligand density and compromise spatial arrangement.

Purpose of the Study:

  • To develop carbohydrate oligomers for self-assembly into supramolecular nanomaterials.
  • To achieve molecularly controlled, dense presentation of carbohydrate ligands on nanomaterial surfaces.
  • To engineer supramolecular hydrogels with specific carbohydrate residues for biological applications.

Main Methods:

  • Design and synthesis of novel carbohydrate oligomers.
  • Self-assembly of oligomers into supramolecular hydrogels.
  • Characterization of nanomaterial structure and ligand presentation density.
  • In vitro studies on the interaction of hydrogels with Candida albicans.

Main Results:

  • Successfully assembled carbohydrate oligomers into supramolecular nanomaterials.
  • Achieved dense and precise presentation of various carbohydrate ligands on material surfaces.
  • Demonstrated that the nanostructure influences Candida albicans morphology.
  • Maintained consistent bulk material properties across different ligand presentations.

Conclusions:

  • The developed modular system enables precise, high-density display of carbohydrate ligands on supramolecular nanomaterials.
  • This approach overcomes limitations of incorporating challenging ligands into nanomaterials.
  • The engineered hydrogels serve as biological cues, influencing microbial morphology.