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International Journal of Bioprinting BNC-reinforced GelMa enhances property of bioprinted cartilage

A

B C

Figure 1. Preparation of hydrogel precursor and compression tests of cylindrical shaped scaffolds. (A) Hydrogel precursors with different bacterial
nanocellulose (BNC) contents. (B) Stress-strain curves of cylindrical shaped scaffolds with different BNC contents. (C) Young’s modulus of cylindrical-
shaped scaffolds with different BNC contents (n = 7). ***P < 0.001, ****P < 0.0001.

A B C

D E

Figure 2. Characterization of hydrogels. (A) Modulus-temperature curve of hydrogel in the gelatin methacryloyl (GelMA) group. (B) Modulus-temperature
curve of hydrogel in the bacterial nanocellulose (BNC)/GelMA group. (C) Viscosity-shear rate curve of hydrogels in the GelMA and the BNC/GelMA
groups. (D) Scanning electron microscopy examination. (E) Pore size analysis. ****P < 0.0001; scale bar: 500 μm.

Volume 9 Issue 1 (2023) 135 https://doi.org/10.18063/ijb.v9i1.631