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Compressive modulus and swelling ratio of 10% PEG (3.4 kDa) DAA gels with no protein (Control), Acr-PEG-NHS-functionalized collagen at high (1× Acr) and low (0.1× Acr) functionalization densites, and Aam-PEG-I-functionalized collagen at high (1× Aam) and low (0.1× Aam) functionalization densities. No significant differences in either modulus or swelling ratio were measured between any of the tested groups (p>0.05). n=6.
