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Related Experiment Video

Updated: Jul 6, 2025

Microfluidic Dry-spinning and Characterization of Regenerated Silk Fibroin Fibers
08:28

Microfluidic Dry-spinning and Characterization of Regenerated Silk Fibroin Fibers

Published on: September 4, 2017

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Microfibre-Functionalised Silk Hydrogels.

Jirada Kaewchuchuen1, Napaporn Roamcharern1, Suttinee Phuagkhaopong1,2

  • 1Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, UK.

Cells
|January 11, 2024
PubMed
Summary

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This summary is machine-generated.

This study enhanced silk hydrogels for tissue engineering by embedding silk microfibres, improving mechanical properties and cell attachment. These structured silk hydrogels offer tunable features for advanced biomaterial applications.

Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Materials Science

Background:

  • Silk hydrogels show promise for tissue engineering but have limitations in tunable mechanics and structure.
  • Existing silk hydrogels lack sufficient control over mechanical properties, hindering their broader application.

Purpose of the Study:

  • To enhance the mechanical properties and structural features of silk hydrogels.
  • To investigate the impact of incorporating silk microfibres on hydrogel characteristics and biological responses.

Main Methods:

  • Bombyx mori and Antheraea mylitta (Tasar) silk microfibres were prepared and characterized for secondary structure.
  • Microfibres were embedded into Bombyx mori silk hydrogels at varying concentrations (2% and 10% w/v) during gelation.
  • Mechanical properties (stiffness, stress relaxation) and human induced pluripotent stem cell-derived mesenchymal stem cell (iPSC-MSC) attachment and morphology were assessed.
Keywords:
fibregeliPSCmechanicssilk fibroinstem cellstissue engineering

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Last Updated: Jul 6, 2025

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Main Results:

  • Microfibre incorporation increased hydrogel stiffness, with higher concentrations yielding greater stiffness.
  • Hydrogel stress relaxation was altered, with faster relaxation observed in microfibre-containing hydrogels.
  • Enhanced iPSC-MSC attachment was observed on hydrogels with 10% B. mori and 2% or 10% Tasar microfibres.
  • Tasar microfibres promoted a more elongated cell morphology.

Conclusions:

  • Embedding silk microfibres effectively tunes the mechanical properties of silk hydrogels.
  • This approach creates structured silk hydrogels with improved cell interaction for tissue engineering.
  • The findings demonstrate a viable strategy for developing advanced silk-based biomaterials with tailored characteristics.