Polyethylene (glycol) diacrylate-based hydrogels are powerful tools for uncovering basic cellular biology because they are considered biologically inert ("blank slate") and their mechanical properties can be varied over a large range of moduli. In addition, PEGDA hydrogels is an emerging scaffold for tissue engineering and Regenerative Medicine since polymerization can occur rapidly at room temperature and requires low energy input, has high water content, is elastic, and can be customized to include a variety of biological molecules.
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Polyethylene (glycol) tetra acrylate is a unique tool for modulating the physical properties of a hydrogel by providing double the photoreactive groups as PEGDA.
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