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Related Experiment Video

Updated: Feb 12, 2026

Encapsulation of Cardiomyocytes in a Fibrin Hydrogel for Cardiac Tissue Engineering
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Macroporous click-elastin-like hydrogels for tissue engineering applications.

Alicia Fernández-Colino1, Frederic Wolf1, Hans Keijdener1

  • 1Department of Biohybrid & Medical Textiles (BioTex) at AME-Institute of Applied Medical Engineering, Helmholtz Institute-CBMS, RWTH Aachen University, Forckenbeckstr. 55, 52074 Aachen, Germany.

Materials Science & Engineering. C, Materials for Biological Applications
|April 12, 2018
PubMed
Summary

Researchers developed macroporous elastin-like recombinamer (ELR) scaffolds using a novel technique. These scaffolds enable cell infiltration and extracellular matrix formation, advancing tissue regeneration materials.

Keywords:
Cell ingrowthClick-chemistryElastinElastin-like recombinamersMacroporous scaffoldsSalt-leaching/gas foaming

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Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Polymer Chemistry

Background:

  • Elastin-like recombinamers (ELRs) are bioinspired polymers with tunable properties for tissue engineering.
  • Existing ELR materials lack controlled macroporosity, hindering cell infiltration and tissue formation.
  • Catalyst-free click chemistry enhances ELR crosslinking and biofunctionalization.

Purpose of the Study:

  • To develop macroporous elastin-like recombinamer (ELR) scaffolds with controlled, interconnected porosity.
  • To adapt salt leaching/gas foaming techniques for creating these advanced ELR scaffolds.
  • To evaluate the suitability of these scaffolds for cell migration and extracellular matrix deposition.

Main Methods:

  • Adaptation of salt leaching and gas foaming techniques for click-ELRs.
  • Rheological measurements to assess mechanical properties.
  • Microscopy (SEM, two-photon) and fluorescence analysis for pore characterization.

Main Results:

  • Reproducible generation of macroporous click-ELR hydrogels with tunable pore size.
  • Achieved mechanical properties suitable for native tissues.
  • Demonstrated smooth muscle cell migration and extracellular matrix deposition within scaffolds.

Conclusions:

  • Macroporous click-ELR scaffolds with controlled porosity can be fabricated using adapted techniques.
  • These scaffolds support cell infiltration, proliferation, and ECM formation.
  • The developed scaffolds show promise for diverse tissue regeneration applications.