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. 2019 Nov 1;10(6):1106–1121. doi: 10.1016/j.apsb.2019.10.011

Figure 1.

Figure 1

1H NMR spectra of polymer derivatives. mPEG–SS–COOH (A), mPEG–SS–DA (B), PLGA–PBA (C), and mPEG–SS–PBAE–PLGA (D) in dimethyl sulfoxide-d6. Characteristic peaks as marked in the graphs.