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. 2019 Oct 16;11(10):1701. doi: 10.3390/polym11101701

Figure 3.

Figure 3

(a) Fourier transform infrared spectroscopy (FTIR) spectra of CS-NAC beads, CS-NAC-APTES beads, and CS-NAC-APTES beads after ACT adsorption. (b) Schematic diagram for the amination of CS-NAC beads by APTES.