Skip to main content
. Author manuscript; available in PMC: 2020 Aug 20.
Published in final edited form as: Biomater Sci. 2019 Aug 20;7(9):3640–3651. doi: 10.1039/c9bm00388f

Fig. 4.

Fig. 4

ATR-FTIR spectra of individual polymer fibers and their coaxially spun fibers. (a) PCL, (b) PEG-NB 10k, and (c-d) coaxial fibers of PCL/PEG-NB 10k, polymerized with high (c) or low (d) UV dose. The assigned peaks are circled or pointed with arrows.