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. 2017 Sep 12;12:6827–6840. doi: 10.2147/IJN.S140648

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© 2017 Liu et al. This work is published and licensed by Dove Medical Press Limited

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FTIR spectra of the following: A, PCL; B, PCL/DA; C, PCL/NS0.5; D, PCL/NS1.0; E, PCL/NS2.0 (n=3).

Abbreviations: DA, dopamine; FTIR, Fourier transform infrared; NS, nanosilver; PCL, polycaprolactone.