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Table 2 Effect of coexistence substances

From: SERS Detection of Dopamine Using Label-Free Acridine Red as Molecular Probe in Reduced Graphene Oxide/Silver Nanotriangle Sol Substrate

Coexistent substance Tolerance concentration Relative error (%) Coexistent substance Tolerance concentration Relative error (%)
Glycine 5000 μmol/L −2.0 Zn2+ 500 μmol/L 7.0
L-phenylalanine 2000 μmol/L 8.0 Mg2+ 200 μmol/L 2.0
Ascorbic acid 2000 μmol/L 6.0 Cu2+ 250 μmol/L −0.9
L-aspartic acid 125 μmol/L 0.5 Ni2+ 250 μmol/L −10.0
HSA 0.025 μg/mL 4.0 BSA 4 μg/mL −6.0