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Related Experiment Video

Updated: May 18, 2026

Patterning Bioactive Proteins or Peptides on Hydrogel Using Photochemistry for Biological Applications
09:19

Patterning Bioactive Proteins or Peptides on Hydrogel Using Photochemistry for Biological Applications

Published on: September 15, 2017

Programmable hydrogels for controlled cell catch and release using hybridized aptamers and complementary sequences.

Zhaoyang Zhang1, Niancao Chen, Shihui Li

  • 1Department of Chemical, Materials, and Biomolecular Engineering, School of Engineering, University of Connecticut, Storrs, Connecticut 06269, United States.

Journal of the American Chemical Society
|September 14, 2012
PubMed
Summary
This summary is machine-generated.

This study introduces a programmable hydrogel for controlled cell capture and release using aptamers and complementary sequences. This method enables efficient, biocompatible cell separation and regeneration for diverse applications.

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Light-mediated Formation and Patterning of Hydrogels for Cell Culture Applications
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Light-mediated Formation and Patterning of Hydrogels for Cell Culture Applications

Published on: September 29, 2016

Area of Science:

  • Biomaterials Science
  • Cell Biology
  • Regenerative Medicine

Background:

  • Regulating cell-material interactions is crucial for applications like regenerative medicine and cell separation.
  • Existing methods may lack precise control or biocompatibility.

Purpose of the Study:

  • To develop a programmable hydrogel system for controlled cell capture and release.
  • To utilize aptamers and complementary sequences (CSs) for dynamic cell adhesion regulation.

Main Methods:

  • Engineered aptamers integrated into a hydrogel surface for specific cell binding.
  • Introduction of complementary sequences (CSs) to trigger aptamer state changes.
  • Monitoring cell adhesion and release dynamics upon CSs introduction.

Main Results:

  • Aptamers in a hybridized state facilitate stable, cell-type-specific capture on the hydrogel.
  • Introduction of CSs induces aptamer transformation, leading to rapid cell release.
  • The cell catch and release process is biocompatible, preserving cell and hydrogel integrity.

Conclusions:

  • The developed programmable hydrogel offers a novel, biocompatible platform for controlled cell separation.
  • The system's regenerable nature allows for repeated cycles of cell capture and release.
  • This technology holds promise for advanced applications in regenerative medicine and beyond.