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Related Experiment Video

Updated: Aug 29, 2025

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Reversible Self-Assembled Monolayers with Tunable Surface Dynamics for Controlling Cell Adhesion Behavior.

Sing Yee Yeung1, Yulia Sergeeva1, Guoqing Pan1,2

  • 1Department of Biomedical Sciences and Biofilms-Research Center for Biointerfaces (BRCB), Faculty of Health and Society, Malmö University, 205 06 Malmö, Sweden.

ACS Applied Materials & Interfaces
|September 8, 2022
PubMed
Summary

Researchers developed dynamic surfaces using reversible self-assembled monolayers (rSAMs) to control cell adhesion. This biomaterial design approach offers tunable control over cell behavior for tissue engineering and regenerative medicine applications.

Keywords:
ECM mimiccell modulationdynamic multivalencyreversible cell adhesionsupported lipid bilayer

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Area of Science:

  • Biomaterials Science
  • Cell Biology
  • Surface Chemistry

Background:

  • Cells interact with surfaces, influencing their behavior.
  • Controlling cell adhesion is crucial for biomaterial applications like tissue engineering.

Purpose of the Study:

  • To develop a supramolecular approach for creating dynamic surfaces with tunable cell adhesion.
  • To investigate the impact of mobile bioactive ligands on cell behavior.

Main Methods:

  • Preparation of reversible self-assembled monolayers (rSAMs) on gold surfaces.
  • Incorporation of different amphiphiles, including RGD ligands, into the rSAMs.
  • Manipulation of surface composition to control cell adhesion dynamics.

Main Results:

  • Surface composition and ligand mobility influenced cell shape and morphology.
  • Dynamic control over surface composition could reverse cell adhesion.
  • rSAMs with mobile ligands demonstrated tunable control over cell adhesion.

Conclusions:

  • rSAMs offer a novel method for dynamic control of cell adhesion.
  • This approach has broad implications for biomaterial design, tissue engineering, and regenerative medicine.