Figure 2From: Biofabrication of Anisotropic Gold Nanotriangles Using Extract of Endophytic Aspergillus clavatus as a Dual Functional Reductant and StabilizerThe flasks containing the biomass of the Aspergillus clavatus biomass in sterile distilled water (Control) and in aqueous solution of 1 mM HAuCl 4 after the reaction of 72 h (the biomass colour changed into dark purple ). Inset shows the pictures of fermentation broth of Aspergillus clavatus challenged by 1 mM HAuCl4.Back to article page