Figure 1.

1H NMR and FTIR spectra. (A) Typical 1H NMR spectrum of the CA-PLA-TPGS copolymer. (B) FTIR spectra of the CA-PLA-TPGS copolymer (black) and TPGS (blue).

Tang et al. Nanoscale Research Letters 2013 8:420   doi:10.1186/1556-276X-8-420
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