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Related Experiment Video

Updated: Jun 20, 2026

Preparation of Mechanically Stable Self-Assembled Peptides Hydrogels
05:24

Preparation of Mechanically Stable Self-Assembled Peptides Hydrogels

Published on: September 6, 2024

Polypeptide nanoribbon hydrogels assembled through multiple supramolecular interactions.

Yun Yan1, Arie de Keizer, Aernout A Martens

  • 1Laboratory of Physical Chemistry and Colloid Science, Wageningen University, Dreijenplein 6, 6703 HB Wageningen, The Netherlands. yunyan@pku.edu.cn

Langmuir : the ACS Journal of Surfaces and Colloids
|September 9, 2009
PubMed
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This study reveals how nanoribbon hydrogels form through multiple supramolecular interactions. Zinc ions and peptide copolymers self-assemble into complex nanostructures via coordination, electrostatic, hydrogen bonding, and hydrophobic forces.

Area of Science:

  • Materials Science
  • Supramolecular Chemistry
  • Biomaterials Engineering

Background:

  • Hydrogels are versatile materials with applications in drug delivery and tissue engineering.
  • Controlling hydrogel structure at the nanoscale is crucial for tuning their properties.
  • Supramolecular self-assembly offers a powerful strategy for designing complex soft materials.

Purpose of the Study:

  • To elucidate the self-assembly mechanism of nanoribbon hydrogels formed from zinc ions, bis(ligand)s, and triblock peptide copolymers.
  • To establish a comprehensive model for nanoribbon hydrogel formation.
  • To understand the role of various non-covalent interactions in directing the assembly process.

Main Methods:

  • Dynamic Light Scattering (DLS) for particle size analysis.

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Formation of Ordered Biomolecular Structures by the Self-assembly of Short Peptides
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Formation of Ordered Biomolecular Structures by the Self-assembly of Short Peptides

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Last Updated: Jun 20, 2026

Preparation of Mechanically Stable Self-Assembled Peptides Hydrogels
05:24

Preparation of Mechanically Stable Self-Assembled Peptides Hydrogels

Published on: September 6, 2024

Injectable Supramolecular Polymer-Nanoparticle Hydrogels for Cell and Drug Delivery Applications
09:39

Injectable Supramolecular Polymer-Nanoparticle Hydrogels for Cell and Drug Delivery Applications

Published on: February 7, 2021

Formation of Ordered Biomolecular Structures by the Self-assembly of Short Peptides
07:26

Formation of Ordered Biomolecular Structures by the Self-assembly of Short Peptides

Published on: November 21, 2013

  • Cryo-Transmission Electron Microscopy (Cryo-TEM) for visualizing nanostructure morphology.
  • Small-Angle X-ray Scattering (SAXS) for probing nanoscale structures in solution.
  • Circular Dichroism (CD) spectroscopy for assessing secondary structure changes.

    • Main Results:

    • Formation of well-defined nanoribbons within the hydrogel matrix.
    • Identification of multiple cooperative supramolecular interactions driving assembly.
    • Metal-ligand coordination forming supramolecular polyelectrolytes.
    • Electrostatic complexation between polyelectrolytes and peptide copolymers.
    • Hydrogen bonding and hydrophobic interactions stabilizing ribbon structure.
    • Van der Waals forces facilitating nanoribbon bundling.

    Conclusions:

    • Nanoribbon hydrogel formation is a multi-step process driven by a hierarchy of supramolecular interactions.
    • The proposed model accurately describes the self-assembly pathway.
    • This work provides insights into designing advanced peptide-based hydrogels with controlled nanostructures.