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. Author manuscript; available in PMC: 2021 May 1.
Published in final edited form as: Acta Biomater. 2020 Apr 5;108:153–167. doi: 10.1016/j.actbio.2020.03.035

Fig. 2.

Fig. 2.

Shape recoverable property of 3D RAS and VAS. Photographs of 3D RAS (A) and VAS (B) before, under and after complete compression in the air. Photographs of 3D RAS (C) and VAS (D) under and after complete compression in the water. The RAS and VAS could completely recover the original shape in the air and water. (E) Compression tests of 3D RAS under 70% and 76% (maximum) compressive strain (n=5). (F) Cyclic compression tests of 3D radially aligned scaffolds under 76% compressive strain (20 cycles) (n=5). RAS was able to recover (95 ± 3) % of its original shape in the air after 20 cycles of compressive stress. (G) Compression tests of 3D vertically, aligned nanofiber scaffolds under 70% and 90% compressive strain (n=5). (H) Cyclic compression tests of 3D VAS under 90% compressive strain (20 cycles) (n=5). VAS was able to recover 100 % of its original shape in the air after 20 compressive cycles. RAS: Radially aligned scaffolds, VAS: Vertically aligned scaffolds. The data are presented as the mean ± S.D.