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Physical Chemistry Study of Collagen-Based Multilayer Films.

Yi-Wei Chen1, Muhammad Haseeb Iqbal1, Florent Meyer2,3

  • 1Institut Charles Sadron (UPR 22), Université de Strasbourg, CNRS, 67034 Strasbourg, France.

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|March 28, 2023
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Summary
This summary is machine-generated.

Collagen (COL)-based layer-by-layer (LbL) films were optimized for wound healing applications. Collagen/tannic acid (TA) films significantly enhanced human fibroblast proliferation compared to other COL-based films.

Keywords:
biocompatiblecollagenlayer-by-layer assemblypolyelectrolytepolyphenols

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Area of Science:

  • Biomaterials Science
  • Surface Chemistry
  • Cell Biology

Background:

  • Material surface properties critically influence cell behavior, including recolonization, proliferation, and migration.
  • Collagen is recognized for its positive impact on wound healing processes.

Purpose of the Study:

  • To develop and optimize collagen (COL)-based layer-by-layer (LbL) films using various macromolecules.
  • To evaluate the biocompatibility and cell proliferation potential of these COL-based LbL films for biomedical applications.

Main Methods:

  • Fabrication of COL-based LbL films with tannic acid (TA), heparin (HEP), or poly(sodium 4-styrene sulfonate) (PSS).
  • Optimization of film buildup parameters including pH, dipping time, and salt concentration.
  • Characterization of film morphology using atomic force microscopy and assessment of TA release and film stability in physiological conditions.

Main Results:

  • COL/TA films demonstrated significantly enhanced proliferation of human fibroblasts.
  • COL/PSS and COL/HEP LbL films did not exhibit the same level of fibroblast proliferation.
  • Optimized deposition parameters ensured efficient film coverage and stability.

Conclusions:

  • Tannic acid (TA) and collagen (COL) are effective components for creating LbL films with excellent biocompatibility.
  • COL/TA LbL films show promise for use in biomedical coatings, particularly for wound healing applications.