Fig. 2From: Fabrication of alginate-based hydrogel cross-linked via horseradish peroxidase for articular cartilage engineeringAssociation of gelation time for Alg-Ph hydrogels (a) HRP concentration (Alg-Ph 1.2% w/v, H2O2 100 mM), (b) H2O2 concentration (Alg-Ph 1.2% w/v, HRP 5 U (c) Alg-Ph concentration, and (d) the combination of Alg-Ph with 0.5% (w/v) Col. Student t test; p < 0.05 (n = 3)Back to article page