Table showing sample compositions, number of SiO2 nanoparticles, viscosity (Pa s), swelling (wt%), degradation (wt%), compressive modulus (MPa) and 3D printability of sample groups with different SiO2 concentrations.
Sample group | Sodium alginate (w/v%) | Gelatin (w/v%) | SiO2 (wt%) | Number of SiO2 nanoparticles | Viscosity (Pa s) (at shear rate 10 s−1) | Swelling wt% (after 72 h in PBS) | Degradation wt% (after 72 h in PBS) | Compressive modulus (MPa) | 3D printability |
---|---|---|---|---|---|---|---|---|---|
Group A | 2.5% | 8% | 0% | 0 | 2.28 | 1268.24 ± 30.08 | 61.05 ± 4.26 | 32.57 ± 0.98 | No |
Group B | 2.5% | 8% | 2.5% | 8.92 × 1015 | 16 | 1204.59 ± 16.38 | 57.18 ± 1.35 | 39.49 ± 2.76 | Yes |
Group C | 2.5% | 8% | 5% | 17.85 × 1015 | 13.65 | 998.27 ± 87.54 | 54.81 ± 0.89 | 49.18 ± 1.64 | Yes |