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. 2021 Mar 15;6(12):8151–8162. doi: 10.1021/acsomega.0c06009

Figure 2.

Figure 2

Confirmation of biosynthesized L-AgNPs. (A) UV–vis spectrum of L-AgNPs. The values of peaks for the UV–vis were plotted between AgNPs/absorbance ratios. The maximum absorbance peak was at around 450 nm, consistent with the surface plasmon resonance of AgNPs. (B) XRD for L-AgNPs displayed three different diffraction bands at 38.18, 44.35, and 64.4° indexed 2θ (degree) values of the (111), (200), and (220) crystalline planes of cubic Ag. (C) FTIR of L-AgNPs showing amide I (−C=O) and amide II (−NH) bands.