Fig. 3 | Scientific Reports

Fig. 3

From: Iron(III) edta-accelerated growth of gold/silver core/shell nanoparticles for wide-range colorimetric detection of hydrogen peroxide

Fig. 3

(A) The bar plots demonstrating the effect of ascorbic acid on the formation of Au/Ag core/shell nanostructures (AuNSs = 100 μL, MES buffer = 5.0 mM, pH 6.5, iron(III) edta = 20 µM, Ag = 300 µM). (B) The bar plots demonstrating the effect of silver ions on the formation of Au/Ag core/shell nanostructures (AuNSs = 100 μL, MES buffer = 5.0 mM, pH 6.5, iron(III) edta = 20 µM, AA = 200 µM).

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