Enhanced Vascularization in Hybrid PCL/Gelatin Fibrous Scaffolds with Sustained Release of VEGF

Figure 7

Representative microscopic images showing the blood vessels immunostained by vWF in the explanted scaffolds after subcutaneous implantation for 2 (a–d) and 4 (e–h) weeks (): PCL (a and e); VEGF loaded PCL (b and f); VEGF loaded Hep-PCL/Gel-1 (c and g); VEGF loaded Hep-PCL/Gel-2 (d and h) (scale bars = 50μm). Quantitative analysis on the density of blood vessel (i). , .

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