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. 2018 Jul 4;13:3867–3881. doi: 10.2147/IJN.S161423

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© 2018 Zhou et al. This work is published and licensed by Dove Medical Press Limited

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Characterization of nanoscaled and microscaled parallel topography. (A) The design of parallel microgrooved silicone membrane with groove width of 10 µm and groove depth of 3 µm. (B) SEM image of GT/PCL nanofibers showed unparallel and parallel patterns of electrospun nanofibers (500× and 1,000×, bar =100 µm). (C) The diameter distribution of unparallel nanofibers. (D) The diameter distribution of parallel nanofibers.

Abbreviations: GT, gelatin; PCL, poly(ε-caprolactone); SEM, scanning electron microscope.