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Degradable thiol-ene photopolymer networks were formed through radically mediated step-growth reactions. Variations in the network structure were used to alter the initial and temporal moduli, mass loss profiles, and equilibrium swelling ratios. Mass loss rates varied with changes in the solvent concentration, monomer molecular weight, average monomer functionality, and concentration of degradable...
The copolymerization behavior and the dark polymerization kinetics of highly reactive novel acrylic monomers were compared to traditional acrylate monomers. Copolymerization of thiol functionalities with novel acrylic monomers was characterized, and it was observed that the inclusion of secondary functionalities such as carbamates, carbonates, and cyclic carbonates, in acrylic monomers significantly...
Acrylate monomers were photografted from polymer substrates to create cell responsive chemically and biologically active surfaces that manipulate cell response. Three monomers, polyethylene glycol monoacrylate (MW 375g/mol) (PEG375A), a monomeric extra-cellular matrix protein, and a cell-cleavable fluorescent monomer, were spatially photopatterned from a base substrate. The base substrate consisted...
The ability to form degradable hydrogels having controlled network structure is important for applications related to both drug delivery and tissue engineering. Although significant advances have occurred, these applications cannot reach full potential without the availability of materials with tunable degradation behavior. Here, we present novel thiol–acrylate degradable networks, which provide a...
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