Table 4.
Textural properties of sterile aerogel-based scaffolds obtained from aqueous 6 wt.% alginate inks with different HA contents (0, 8, 16, 24 wt.%) and crosslinked by ageing with CaCl2 1M1h and by GA. Notation: ABET: specific BET surface area, dp: BJH-mean pore diameter, Vp: BJH-specific pore volume.
| Sterile Aerogel Scaffold | ABET (m2/g) | dp (nm) | Vp (cm3/g) |
|---|---|---|---|
| Alg 6%, HA 8%, CaCl2 1M1h, st | 105 ± 5 | 28 ± 1 | 0.89 ± 0.04 |
| Alg 6%, HA 16%, CaCl2 1M1h, st | 68 ± 3 | 27 ± 1 | 0.52 ± 0.03 |
| Alg 6%, HA 24%, CaCl2 1M1h, st | 56 ± 3 | 26 ± 1 | 0.41 ± 0.02 |
| Alg 6%, HA 8%, CaCl2 1M1h, GA, st | 59 ± 3 | 25 ± 1 | 0.43 ± 0.02 |
| Alg 6%, HA 16%, CaCl2 1M1h, GA, st | 30 ± 2 | 29 ± 1 | 0.27 ± 0.01 |
| Alg 6%, HA 24%, CaCl2 1M1h, GA, st | 32 ± 2 | 23 ± 1 | 0.17 ± 0.01 |