SEM images of the TPU/PGS blended nanofibrous scaffolds from an electrospun solution in CF/DMF at various ratios between TPU and PGS, including (a) 6:2, (b) 6:4, (c) 6:6, in HFIP at various ratios between TPU and PGS, including (d) 6:2, (e) 6:4, (f) 6:6, and in TFE/acetic acid at various ratios between TPU and PGS, including (g) 6:2, (h) 6:4, and (i) 6:6.