Figure 18.

(a) Allyl, acetylene or N-hydroxy succinimide (NHS) functional dendron polymer conjugates; (b) compressive modulus values of the obtained hydrogels; (c) post-gelation functionalization of thiol-yne (TY) hydrogels with azide functional rhodamine (reference sample prepared by TY1 hydrogel without Cu(II)SO₄ catalyst); (d) definition of hydrogels. From [46], Copyright © 2015 by John Wiley & Sons, Inc. Adapted by permission of John Wiley & Sons, Inc. CuAAC, copper-catalyzed azide-alkyne cycloaddition.