Supporting Information High-throughput synthesis, analysis, and optimization of injectable hydrogels for protein delivery Fei Xu, Brandon Corbett, Sydney Bell, Chiyan Zhang, Monika Budi Hartono, Zohreh Jomeh Farsangi, John MacGregor, and Todd Hoare* Department of Chemical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L8, Canada * To whom correspondence should be addressed: hoaretr@mcmaster.ca