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(A) A bioplotted alginate scaffold (top left) and scanning electron microscopy (SEM) images after immersion in 50 mM CaCl2 for 24 h. (B) The effect of crosslinking time and crosslinker volume on the elastic modulus of alginate scaffolds immersed in 1 mL or 3 mL of CaCl2 (reproduced with permission from Ref. [73]).
