Synergistic effects of Zn2+/Ca2+ crosslinking on alginate-chitosan semi-interpenetrating networks: mechanical and pH responsive properties.

Zn2+/Ca2+ synergistic crosslinking was engineered in chitosan-alginate semi-interpenetrating networks (semi-IPNs) to establish crosslinking density (15.2-58.3 mol/m³) as a predictive parameter for multi-scale hydrogel performance. Fourier-transform i…

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