Extracellular Biosynthesis of Copper and Copper Oxide Nanoparticles by Stereum hirsutum, a Native White-Rot Fungus from Chilean Forests

Figure 3

Analysis of the copper and/or copper oxide nanoparticles biosynthesized by the mycelium-free extract of S. hirsutum after 5 d of reaction at pH 9.0 in the presence of CuCl₂ (5 mM). (a) FTIR spectra, (b) XRD pattern, and (c) zeta potential.

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(b)

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