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. Author manuscript; available in PMC: 2021 Nov 1.
Published in final edited form as: Adv Mater. 2020 Oct 1;32(45):e2003915. doi: 10.1002/adma.202003915

Figure 1. Synthesis and mechanical characterization of GelMA/MeTro composite hydrogel.

Figure 1.

(A) Domain map of human tropoelastin. Methacrylation of (B) tropoelastin and (C) gelatin. (D) A schematic to describe the formation of MeTro/GelMA hydrogels. GelMA and MeTro polymers are covalently crosslinked upon exposure to visible light in the presence of LAP photoinitiator to form a highly elastic hydrogel network. Mechanical properties of MeTro, GelMA and MeTro/GelMA composite hydrogels, showing (E) representative tensile stress-strain curves; (F) tensile moduli; (G) extensibility; (H) representative compressive stress-strain curves; (I) compressive moduli; and (J) energy loss. (* p<0.05, ** p<0.01, *** p<0.001, **** p<0.0001)