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Figure 3 | Nanoscale Res Lett

Figure 3

From: Biofabrication of Anisotropic Gold Nanotriangles Using Extract of Endophytic Aspergillus clavatus as a Dual Functional Reductant and Stabilizer

Figure 3

UV–vis spectra recorded as a function of reaction time of an aqueous solution of 1 mM HAuCl 4 with the filtrate of the fungal biomass. The spectra show a sharp absorption λmax 540 at 48 h reaction periods, which intensifying with the 72 h reaction time. The inset shows vials containing the filtrate of A. clavatus collected during the reaction period, rapid change in colour pattern due to SPR are clearly visible.

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