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A schematic outlining of the three steps involved in fabricating cell-laden macroporous OPF hydrogels. The hydrogel precursor solution was first mixed with cells and dehydrated gelatin microspheres at 23°C. The mixture was then incubated at 23°C to allow for OPF gelation and the gel was finally incubated at 37°C for gelatin leaching and hydrogel swelling. OPF, oligo(poly(ethylene glycol) fumarate).
