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Elastic modulus (light blue dots), viscous modulus (red squares) and degree of modification (green triangles) of HA hydrogels with theoretical crosslinking degree from 5 to 20% mol/mol vs. HA repeat unit (A) and HA reaction concentration from 65 to 300 mg/mL (B). Elastic modulus and cohesivity (C), and particle size and soluble fraction (D) of HA hydrogels with starting molecular weights (200, 700 and 1800 KDa). Mean ± DS; n = 2.
