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Light-mediated Formation and Patterning of Hydrogels for Cell Culture Applications
Published on: September 29, 2016
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Thiol-norbornene photo-click hydrogels for tissue engineering applications
Chien-Chi Lin1, Chang Seok Ki2, Han Shih1
1Department of Biomedical Engineering, Purdue School of Engineering and Technology, Indiana University-Purdue University Indianapolis, Indianapolis, IN. 46202, USA ; Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN. 47907, USA.
Journal of Applied Polymer Science
|January 6, 2015
Summary
Thiol-norbornene photo-click hydrogels offer tunable properties for tissue engineering. Their rapid, cytocompatible gelation and controlled degradation make them versatile for drug delivery and regenerative medicine applications.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Polymer Chemistry
Background:
- Thiol-norbornene (thiol-ene) photo-click hydrogels are advanced materials for tissue engineering.
- They utilize light-mediated orthogonal reactions for cross-linking macromers and linkers.
- These hydrogels offer tunable properties and controlled degradation.
Purpose of the Study:
- To provide an overview of thiol-norbornene hydrogel mechanisms, properties, and applications.
- To highlight their utility in drug delivery and diverse tissue engineering fields.
Main Methods:
- Cross-linking via light-initiated reactions between norbornene-modified macromers and sulfhydryl-containing linkers.
- Utilizing photoinitiators with UV or visible light without co-initiators/monomers.
- Controlling gelation, cross-linking, and degradation through material selection.
Main Results:
- Thiol-norbornene hydrogels exhibit rapid, oxygen-independent, and highly cytocompatible gelation.
- Independent tuning of biophysical and biochemical properties is achievable.
- Versatile applications demonstrated in 2D/3D cell culture, drug delivery, and various regenerative medicine areas.
Conclusions:
- Thiol-norbornene hydrogels are a versatile platform for tissue engineering and regenerative medicine.
- Their tunable nature and biocompatibility support applications from drug delivery to complex tissue regeneration.
- Further research continues to expand their utility in biomedical applications.
