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. 2016 Jun 29;6:28900. doi: 10.1038/srep28900

Figure 1.

Figure 1

(a) Schematic illustration of an in-situ reduction method to synthesize monodispersed and spherical GNPs by using proteins, the reducing power of which activated by H2O2 and the superoxide anion (Inline graphic). (b) The distinctive colors of as-synthesized GNPs reduced by different proteins.