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Analysis of biological safety in GelMA/HAMA Hydrogel. (A) H&E staining images of the main organs (heart, liver, spleen, lung and kidney the formation of various formulas. (B) Hemalum chemical analysis UA, ALT, AST, TP, LDH, ALB, GLB, CK. (n = 5, G1: PBS. G2: 10 %GelMA/0.5 %HAMA. G3: 10 %GelMA/1 %HAMA. G4: 10 %GelMA/1.5 %HAMA. G5: 10 %GelMA/2.5 %HAMA. ∗p < 0.05; ∗∗p < 0.01; ∗∗∗p < 0.001.)
