Figure 1.

UV-visible spectra, XRD analysis, and FT-IR spectra of EW-AuNPs. (A) UV-visible spectra before and after the oven incubation. The inset depicts the color change of the AuNP solution. (B) XRD analysis of the EW-AuNPs. (C) FT-IR spectra of the EW and EW-AuNPs.

Kim et al. Nanoscale Research Letters 2013 8:542   doi:10.1186/1556-276X-8-542
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