Research Article

Design and Characterization of Endostatin-Loaded Nanoparticles for In Vitro Antiangiogenesis in Squamous Cell Carcinoma

Figure 2

1H NMR spectra showing the grafting of polymer conjugates in D2O : CD3COOD (5 : 1). (a) CHT-g-PEI and and (b) CHT-g-PEI-PEG-NH2.
(a)
(b)