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Comparison of the EIS response of the aptasensor in a PBS and in spiked milk samples. Recovery was calculated as: [(ΔRct/Rcto)milk/(ΔRct/Rcto)PBS] × 100%.
| Concentration of AFM1, ng/L | Buffer ΔRct/Rcto |
Milk ΔRct/Rcto |
Recovery, % |
|---|---|---|---|
| 15 | 0.16 | 0.17 | 106.25% |
| 30 | 0.41 | 0.32 | 78.04% |
| 60 | 0.61 | 0.55 | 90.16% |
| 90 | 0.65 | 0.63 | 97.00% |
| 120 | 0.78 | 0.62 | 79.5% |
