Figure 2.
1H-NMR spectra of AEMA, WSC, and AEMA-g-WSC (A) and 2D NMR spectra of AEMA-g-WSC irradiated by 5 kGy gamma irradiation (B).
Abbreviations: 2D NMR, 2-dimensional nuclear magnetic resonance spectroscopy; AEMA, 2-aminoethl methacrylate; AEMA-g-WSC, 2-aminoethl methacrylate-grafted water-soluble chitosan; WSC, water-soluble chitosan.