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Four hydrogels cross-linked from different combinations of N3- and DBCO-terminated macromers, showing similar macroscopic properties but distinct network disintegration rates. (A) Equilibrium gel swelling ratio (by weight) in PBS (pH 7.4) at 37 °C. (B) Stress/strain curves from unconfined compressive testing. (C) Distinct disintegration time (at least three specimens for each hydrogel) in PBS and α-MEM.
