Synthesis, Characterization, and Properties of Sulfonated Chitosan for Protein Adsorption

Figure 1

FTIR spectra of chitosan and sulfonated chitosan: (a) full spectra; (b) enlarged spectra between 500 and 1000 cm^-1; (c) enlarged spectra between 1000 and 2000 cm^-1.

(a)

(b)

(c)