Fig. 4From: Heparinized chitosan stabilizes the bioactivity of BMP-2 and potentiates the osteogenic efficacy of demineralized bone matrixCharacterization of hydrogel-DBM composites. a The images of composites with various concentration of DBM weight ratio, 0, 0.5, 1, 2, and 4% (w/v) in 2% hydrogel. b Compressive modulus of MeGC-DBM and Hep-MeGC-DBM composites. c Water content of composites. *p < 0.05, **p < 0.01, and ***p < 0.001Back to article page