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. 2019 Nov 19;7:340. doi: 10.3389/fbioe.2019.00340

Figure 2.

Figure 2

Biofabrication scheme of the ElastinGrafts: textile-reinforced macroporous vascular grafts based on ELRs. (A) Procedure used to obtain the macroporous click-ELR vascular graft. (B) Images of the textile-reinforced macroporous vascular graft: (i) PVDF-textile reinforcement to provide mechanical strength. (ii) Elastin graft. (iii) Cross-sectional SEM image of the macroporous ELR-vascular graft. (C) Electrospun PCL-sheath. (i) Sketch of the electrospinning procedure. (ii) Macroscopic image of the ElastinGraft enclosed with a PCL-sheath. (iii) SEM images of the electrospun sheath around the ELR-scaffold. (iv) Different versions of the ElastinGrafts differing in the thickness of the electrospun PCL-sheath. Specifically, “0” refers to “no e-spun layer”; “eS” to “the smallest thickness of the e-spun layer,” “eM” to “the intermediate thickness of the e-spun layer” and “eL” to “the largest thickness of the e-layer.” Scale bars: (B) (i) 2 mm; (iii) 200 μm; (C) (iii) 50 μm.