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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: Biofabrication. 2014 Dec 17;7(1):015001. doi: 10.1088/1758-5090/7/1/015001

Figure 1. Topographical evaluation of random and aligned PGS-PCL scaffolds.

Figure 1

(a) SEMs images indicate arbitrary orientation of individual fibers within the random scaffolds, whereas highly organized and aligned fibers were observed in the aligned scaffolds. Inset: 2D FFT of SEM images further verified highly oriented structure within the aligned scaffolds. (b) The random scaffolds exhibited only a small degree of preferred orientation (49.8±33.8°), as compared to the aligned scaffolds (2.3±15.3°). The data represents fiber diameter calculated from at least 100 fibers (n=3).