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. 2022 Jun 6;15:100309. doi: 10.1016/j.mtbio.2022.100309

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© 2022 The Authors

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Fig. 7 — Physicochemical characterization of the 3D-printed GEL/dbPTs composite scaffolds. (A) FTIR spectrum of the dbPTs, GEL, and GEL/dbPTs scaffolds (n = 3). (B) Degradation/swelling behavior of the scaffolds assessed by light microscopy images at 0, 14, 28, and 49 days of the incubation. Scale bars: 1 mm. Weight changes of the scaffolds (n = 6, mean ± SD) after (C) 24 h and (D) 56 days incubation period. (E) Degradation rate of the scaffolds quantified by a linear slope of the weight change between 24 h and 21 days with statistically significant differences (∗p < 0.05, ∗∗∗p < 0.001).