Table 1.
Comparison of the properties of various OTA aptasensor.
| Methods | Detection Technology | Detection Limit (nM) | Application | Reference |
|---|---|---|---|---|
| Electrochemical | Polyaniline Langmuir–Blodgett film based aptasensor | 0.25 | -- | [35] |
| Electrochemical | Impedimetric Aptasensor | 0.014 | wine | [36] |
| Colorimetric | ABTS-H2O2-Hemin colorimetric system | 1 | -- | [37] |
| Colorimetric | DNA amplification (Hybridization chain reaction) | 0.01 | wheat flour | [27] |
| Fluorescence | Aptamer structure switch with Iridium(III) Complex | 0.05 | -- | [31] |
| Fluorescence | Fluorophore labeled aptamer structure switching | 1.99 | corn | [23] |
| Fluorescence | Aptamer structure switch with ZnPPIX probe | 0.03 | corn | This work |