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. 2016 Dec 20;12:137–149. doi: 10.2147/IJN.S107593

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

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FT-IR spectra (A: copolymer mPEG-b-P(MMD-co-LA); B: star-shaped P(MMD-co-LA)-OH).

Abbreviations: FT-IR, Fourier transform infrared; mPEG, methoxy-poly(ethylene glycol); P(MMD-co-LA), poly(3(S)-methyl-morpholine-2,5-dione-co-lactide).