Research Article

Detection of Melamine Based on the Fluorescence Changes of Nitrogen-Doped Carbon Dots

Table 2

Comparison of linear range, LOD, and detection time of different fluorescent probes for melamine detection.

Fluorescent probeLinear rangeLODDetection time (min)Ref.

FRET between CDs and Au NPs50–500 nM36 nM35[27]
CDs-Hg2+1–20 μM0.3 μM13[29]
NCDs-Fe3+2–290 μM0.66 μM30[34]
Aptamer-modified Au NPs1.2–2.4 μM and 2.4–20.62 μM793 nM30[35]
NCDs-Hg2+50–400 μg/L (0.4–3.17 μM) and 800–2500 μg/L (6.34–19.8 μM)21.76 μg/L (0.17 μM)10This work