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. 2019 Jul 29;9(8):1089. doi: 10.3390/nano9081089

Figure 1.

Figure 1

Synthesis and characterization of PtNPs using tangeretin. (A) Absorption spectra of tangeretin-mediated PtNP synthesis; the absorption spectra of PtNPs exhibited a strong broad peak at 304 nm, and observation of such a band is assigned to surface plasmon resonance of the particles. (B) X-ray diffraction patterns of PtNPs; the broad diffraction peaks of the XRD pattern at 2θ = 40.0, 47.6, 67.5, 81.8, and 88.6° were observed (C) FTIR spectra of PtNPs; (D) size distribution analysis of PtNPs by DLS; (E) TEM micrograph images of PtNPs; several fields were photographed and used to determine the diameter of AgNPs using TEM; and (F) corresponding particle size distribution histograms. At least three independent experiments were performed obtaining reproducible results and data from representative experiments are shown.