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Related Experiment Video

Updated: May 15, 2026

Synthesis of Information-bearing Peptoids and their Sequence-directed Dynamic Covalent Self-assembly
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Synthesis of Information-bearing Peptoids and their Sequence-directed Dynamic Covalent Self-assembly

Published on: February 6, 2020

Engineering Robust Supramolecular Nanoassemblies from Amino-Acid Functionalized Stiff-Stilbene Amphiphiles.

Khloe Shuk-Ying Kwan1, Ming-Hin Chau1, Wai-Ki Wong1,2

  • 1Department of Applied Biology and Chemical Technology Research Institute for Future Food The Hong Kong Polytechnic University Hong Kong China.

Small Science
|May 14, 2026
PubMed
Summary

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This summary is machine-generated.

Researchers designed a new stiff-stilbene amphiphile with alanine amino acid groups (SA_Ala). This material forms stable supramolecular nanostructures with pH and thermal resistance, paving the way for robust biocompatible materials.

Area of Science:

  • Supramolecular chemistry
  • Materials science
  • Biomaterials engineering

Background:

  • Protein stability is influenced by amino acids, but their role in nanostructure stability is under-explored.
  • Designing robust supramolecular materials requires understanding amino acid contributions to structural integrity.

Purpose of the Study:

  • To investigate how amino acid functionalization impacts supramolecular nanostructure stability.
  • To develop novel biocompatible materials with enhanced thermal and pH resistance.

Main Methods:

  • Synthesis of a stiff-stilbene amphiphile functionalized with alanine (SA_Ala).
  • Characterization of supramolecular nanostructures using X-ray diffraction.
  • Assessment of pH and thermal stability up to 95°C.
Keywords:
biocompatiblehydrogelself‐assemblystiff‐stilbene amphiphilestructural stability

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  • Evaluation of structural response to external stimuli and biocompatibility.

    • Main Results:

    • SA_Ala forms stable supramolecular nanostructures via π-π interactions and hydrogen bonding.
    • Nanostructures exhibit remarkable pH and thermal stability (up to 95°C).
    • Higher-order tubular packing in nanotubes contributes to extraordinary stability against deformation.
    • Altering side-chain bulkiness affects stability towards light stimulation.

    Conclusions:

    • Amino acid functionalization is critical for designing robust supramolecular materials.
    • SA_Ala offers a promising platform for next-generation biocompatible and stable nanomaterials.
    • Understanding molecular interactions is key to controlling nanostructure stability and function.