Table 1. Comparison of the Sensing Performance of Different Fluorescent Probes for Hg2+ Detection.
| sensing material | linear range (μM) | LOD (nM) | response time (min) | reference |
|---|---|---|---|---|
| nitrogen-doped carbon quantum dots | 0–25 | 230 | (49) | |
| trypsin-stabilized AuNCs | 0.05–0.6 | 50 | (50) | |
| β-lactoglobulin-stabilized AuNCs | 0.05–500 | 30 | 2 | (51) |
| BSA–AuAg BNCs | 0.05–6.3 | 13 | 5 | (52) |
| DNA duplex-templated AgNCs | 0.01–0.3 | 10 | >60 | (53) |
| oligonucleotide-stabilized AgNCs | 0.005–1.5 | 5 | 3 | (54) |
| DNA-templated AgNCs | 0.0025–0.05 | 0.9 | 30 | (55) |
| CuNCs | 0.1–100 | 30 | 2 | this work |