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Results of OTC determination in two different real samples using the proposed electrochemical aptasensor.
| Sample | Found (nM) | Added (nM) | Determined (nM) | Recovery (%) | RSD (%) |
|---|---|---|---|---|---|
| Milk 1 | 0.0 | 10.00 | 9.68 | 96.80 | 1.92 |
| 20.00 | 18.70 | 93.50 | 3.44 | ||
| 25.00 | 23.96 | 95.84 | 2.35 | ||
| Milk 2 | 0.0 | 50.00 | 48.83 | 97.66 | 2.05 |
| 100.0 | 98.24 | 98.24 | 2.02 | ||
| 10.00 | 9.55 | 95.50 | 2.41 | ||
| 20.00 | 19.65 | 98.25 | 3.16 | ||
| 25.00 | 23.67 | 94.68 | 2.20 | ||
| 50.00 | 49.38 | 98.76 | 1.99 | ||
| 100.0 | 98.72 | 98.72 | 1.84 |
