Figure 3.

1H Nuclear Magnetic Resonance spectra. 1H NMR spectra of commercially bought monomers (A) δ-Valerolactone (VL) (B) Poly(ethylene glycol) (PEG) and the synthesized copolymer VEV (C) Poly(δ-valerolactone)/Poly(ethylene glycol)/Poly(δ-valerolactone) (VEV) copolymer were recorded in CDCl3 and D2O as solvents.

Nair K et al. Journal of Nanobiotechnology 2011 9:42   doi:10.1186/1477-3155-9-42
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