Recent Anseth Group Alum Josh McCall showed the that proteins encapsulated in hydrogels formed by radical-mediated thiol-ene polymerization maintain significantly more activity than those encapsulated in gels formed by more traditional acrylate polymerization.
J.D. McCall and K.S. Anseth, "Thiol-Ene Photopolymerizations Provide a Facile Method to Encapsulate Proteins and Maintain their Bioactivity," Biomacromolecules, 13 (8), 2410-2417 (2012).