Table 2.
Comparison of recent aptamer‐based assays for the detection of Ochratoxin A
| Method | LOD | Detection range | Ref. |
|---|---|---|---|
| Chemiluminescence resonance energy transfer (CRET) aptasensor | 0.22 ng/mL | 0.1–100 ng/mL | 11 |
| Luminescence resonance energy transfer‐based aptasensor | 0.027 ng/mL | 0.05–100 ng/mL | 31 |
| Single‐walled carbon nanohorn aptasensor | 7.36 ng/mL | 8.56–2140 ng/mL | 39 |
| Monolithically integrated optoelectronic aptasensor | 2 ng/mL | 4–100 ng/mL | 27 |
| Picogreen dye‐based fluroscence aptasensor | 0.058 ng/mL | 0.128–4 ng/mL | 25 |
| Fluorescence‐based nanographite sensing | 8 ng/mL | 8.5–171 ng/mL | 26 |
| Dot immunogold filtration assay | 10 ng/mL | 20–1000 ng/mL | 30 |
| SPR | 0.01 ng/mL | 0.05–10 ng/mL | 29 |
| Impedimetric immunosensor | 0.01 ng/mL | 0.05–5 ng/mL | 40 |
| Electrochemical immunosensor | 1 ng/mL | 2.5–100 ng/mL | 41 |
| Apta‐qPCR assay | 0.009 ng/mL | 0.039–1000 ng/mL |