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. 2018 Aug 7;16(8):277. doi: 10.3390/md16080277

Figure 4.

Figure 4

Characterization of CAO-AuNPs: (A) ultraviolet-visible (UV-Vis) spectra of CAO-AuNPs and inset photograph showed ruby red color of AuNPs dispersion, (B) X-ray diffraction (XRD) pattern of CAO-AuNPs, (C) XRD pattern of CAO.