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Related Experiment Video

Updated: Mar 16, 2026

Electrospun Fibrous Scaffolds of Polyglycerol-dodecanedioate for Engineering Neural Tissues From Mouse Embryonic Stem Cells
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Tough Stretchable Physically-Cross-linked Electrospun Hydrogel Fiber Mats.

Yiming Yang1, Chao Wang1, Clinton G Wiener1

  • 1Department of Polymer Engineering, University of Akron , 250 South Forge Street, Akron, Ohio 44325, United States.

ACS Applied Materials & Interfaces
|August 23, 2016
PubMed
Summary
This summary is machine-generated.

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Researchers created tough, extensible hydrogels using electrospun copolymers. These materials mimic nature's hierarchical structures, offering high water content and enhanced properties for advanced applications.

Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Supramolecular Chemistry

Background:

  • Nature utilizes supramolecular interactions and hierarchical structures to create advanced water-rich materials.
  • Synthetic systems often struggle to replicate the unique property combinations found in natural hydrogels.

Purpose of the Study:

  • To develop hierarchical supramolecular hydrogels using electrospun copolymers.
  • To achieve unprecedented elongation and toughness in high-porosity hydrogel materials.

Main Methods:

  • Electrospinning of self-associated copolymers composed of dimethyl acrylamide and 2-(N-ethylperfluorooctane sulfonamido)ethyl methacrylate (FOSM).
  • Utilizing hydrophobic association of perfluoronated comonomers to form physical cross-links.
  • Comparing the properties of electrospun hydrogel fiber mats with compression-molded bulk hydrogels.
Keywords:
double networkhierarchical hydrogelsorientation induced toughnesssupramolecular hydrogelstough hydrogels

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Main Results:

  • Hierarchical supramolecular hydrogels with remarkable elongation and toughness were fabricated.
  • Hydrogel fiber mats exhibited enhanced toughness compared to bulk hydrogels, attributed to a narrower distribution of hydrophobic aggregates.
  • The electrospun hydrogel fiber mats showed more than double the extensibility of bulk hydrogels with comparable modulus, despite higher porosity and water content.

Conclusions:

  • Electrospun, self-associated copolymers offer a viable route to hierarchical supramolecular hydrogels.
  • Tailoring hydrophobic aggregate size distribution is crucial for enhancing hydrogel toughness.
  • These novel hydrogels present a promising platform for applications requiring high water content, toughness, and extensibility.