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. Author manuscript; available in PMC: 2018 Aug 14.
Published in final edited form as: ACS Biomater Sci Eng. 2017 Jun 9;3(8):1861–1868. doi: 10.1021/acsbiomaterials.7b00319

Figure 1. 1H NMR spectrum of G3.0-mPEG.

Figure 1

Degree of PEGylation was determined by integrating proton peak j (mPEG) and comparing with integration of proton peaks a–f, h, and i (G3.0). The analysis determined around 40% of G3.0 surface groups were PEGylated.