Figure 2 | Scientific Reports

Figure 2

From: A dual-model SERS and RRS analytical platform for Pb(II) based on Ag-doped carbon dot catalytic amplification and aptamer regulation

Figure 2

RRS spectra of Apt-Pb(II)-CDAg2-HAuCl4-H2O2-HCl system (a) 80 nmol/L Apt + 0.36 mg/mL CDAg2 + 0.16 mmol/L HCl + 11.2 μmol/L HAuCl4 + 2 mmol/L H2O2; (b) a + 0.01 μmol/L Pb(II); (c) a + 0.06 μmol/L Pb(II); (d) a + 0.15 μmol/L Pb(II); (e) a + 0.2 μmol/L Pb(II); (f) a + 0.33 μmol/L Pb(II); (g) a + 0.46 μmol/L Pb(II).

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