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. 2019 Jan 8;9(1):75. doi: 10.3390/nano9010075

Figure 2.

Figure 2

IR spectrum of chitosan, AuNPs, and AuNPs–calreticulin. (a) Characteristic peaks of chitosan were observed. (b) Detail of attenuated total reflection (ATR)– Fourier transform infrared spectroscopy (FTIR) spectra between 900–1600 cm−1 shows the principal peak shifts of the interaction between calreticulin and chitosan.