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. Author manuscript; available in PMC: 2015 May 12.
Published in final edited form as: Biomaterials. 2009 Dec 3;31(7):1765–1772. doi: 10.1016/j.biomaterials.2009.11.038

Fig. 4.

Fig. 4

1H NMR spectra of PEG-p(Asp-Hyd-LEV) (A) and PEG-p(ASP-Hyd-4AB) (B). NMR measurements were performed on UNITYINOVA NMR spectrometers (Varian, USA) model operating at 500 MHz in DMSO-d6 and at 80 °C.