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. Author manuscript; available in PMC: 2021 Feb 3.
Published in final edited form as: Acta Biomater. 2020 Nov 21;121:193–203. doi: 10.1016/j.actbio.2020.11.029

Figure 4.

Figure 4.

Synthesis and characterization of photo-crosslinkable cdECM bioinks. (A) Schematic illustration of methacrylation and UV crosslinking of cdECM and (B) degree of methacrylation (%) of GelMA and cdECM-MA (n=9). (C) Gross appearance of cdECM-MA bioink constructs with different concentrations (scale bar: 5 mm). (D) Swelling ratios and (E) gel stiffness of cdECMMA hydrogels with different concentrations. GelMA hydrogel served as a control. All data are represented mean ± SD. The p-values by Student t-test are indicated. (F) Lattice structure (top, scale bar: 5 mm) and ear-shape of 3D printed cdECM-MA bioink constructs (30 mg/ml) (bottom, scale bar: 10 mm).