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Strain-Promoted Crosslinking of PEG-based Hydrogels via Copper-Free Cycloaddition
Jukuan Zheng1, Laura A Smith Callahan, Jinkun Hao
1Department of Polymer Science, The University of Akron, Akron, OH, 44325.
ACS Macro Letters
|December 4, 2012
Abstract:
The synthesis of a 4-dibenzocyclooctynol (DIBO) functionalized polyethylene glycol (PEG) and fabrication of hydrogels via strain-promoted, metal-free, azide-alkyne cycloaddition is reported. The resulting hydrogel materials provide a versatile alternative in which to encapsulate cells that are sensitive to photochemical or chemical crosslinking mechanisms.
