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Table 1 Effect of interfering species on the fluorescence intensity of FRET sensor solution under optimum conditions

From: Highly Selective and Sensitive Detection of Hg2+ Based on Förster Resonance Energy Transfer between CdSe Quantum Dots and g-C3N4 Nanosheets

Coexisting Substance Concentraton/nmol/L F/F0 (%)
Ca2+ 1.2 − 2.6
K+ 0.2 + 3.9
Li+ 0.5 + 3.5
Mg2+ 1.0 + 3.2
Al3+ 2.0 − 1.8
Pb2+ 3.0 + 3.4
Mn2+ 0.5 − 0.8
Ba2+ 2.5 − 3.1
Cr3+ 10 + 2.6
Fe3+ 8.0 + 4.7
Fe2+ 5.0 −2.8
  1. F = F − F0, where F and F0 are the fluorescence intensity in the presence and absence of interfering species