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Figure 3 | Nanoscale Research Letters

Figure 3

From: Fluorescent Gold Nanoprobes for the Sensitive and Selective Detection for Hg2+

Figure 3

a Fluorescence spectra of solutions of 100 μL BSA-GNPs on addition of 400 μL other ions (500 μM Cd2+, Cr3+, Ba2+, Zn2+, Ca2+, Mn2+, Mg2+, Fe2+, Co2+, 50 μM Ni2+, Cu2+, Pb2+ and 4 μM Hg2+. b Enhanced ratios (I/I0) of the fluorescence intensity (640 nm) of solution in (a). Excitation wavelength: 470 nm. c Fluorescence photographs of 100 μL BSA-GNPs upon addition of 400 μL of other ions other ions (50 μM) and Hg2+ (4 μM)

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