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. 2017 Jan 1;23(1):50–59. doi: 10.1089/ten.tec.2016.0408

FIG. 2.

FIG. 2.

SEM images of PLLA nanofibers fabricated with different solvent compositions and concentrations. (A) EA/DCM = 60/40, (B) EA/DCM = 70/30, and (C) EA/DCM = 80/20. The phase separation process was controlled from 323 to 277 K using 4.0% PLLA. (D) The average diameter and length of the fibers prepared from different solvent compositions. *p < 0.05. (E) The SEM image of the PLLA fibers fabricated in EA/DCM (70/30) with a polymer concentration of 1.0%. (F) The SEM image of the PLLA fibers fabricated in EA/DCM (70/30) with a polymer concentration of 8.0%.