Table 2.
Comparing of the results with the proposed immunosensor and the HPLC-MS/MS method in the detection of norfloxacin in daily animal-derived food.
| Sample | Initial Concentration (μg·kg−1) | Added Concentration (μg·kg−1) | The Proposed Immunosensor | HPLC-MS/MS | ||
|---|---|---|---|---|---|---|
| Found (μg·kg−1) | Recovery a (%) (means ± SD, n = 3) | Found (μg·kg−1) | Recovery a (%) (means ± SD, n = 3) | |||
| Milk | 10.5 | 50.0 | 59.70 | 98.4 ± 1.3 | 58.63 | 96.3 ± 1.2 |
| 100.0 | 105.42 | 94.9 ± 2.6 | 109.88 | 99.4 ± 2.6 | ||
| 500.0 | 539.52 | 105.8 ± 4.2 | 544.94 | 106.9 ± 0.8 | ||
| Egg | 6.8 | 50.0 | 53.17 | 92.7 ± 4.2 | 55.57 | 97.5 ± 1.7 |
| 100.0 | 101.38 | 95.6 ± 1.2 | 105.51 | 98.7 ± 1.3 | ||
| 500.0 | 537.25 | 106.1 ± 2.6 | 539.85 | 106.6 ± 1.6 | ||
| Pork | 7.4 | 50.0 | 53.21 | 91.6 ± 2.9 | 56.39 | 98.0 ± 4.4 |
| 100.0 | 102.66 | 95.3 ± 1.2 | 104.36 | 96.9 ± 1.2 | ||
| 500.0 | 521.85 | 102.9 ± 3.4 | 525.17 | 103.6 ± 1.8 | ||
a Recovery is pointed to the additive recovery.