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Recovery performance of AOX-poly(nBA-NAS) microspheres based biosensors in the analysis of formaldehyde in shrimp samples.
| Spiked HCHO concentration (mg kg−1) | Determined concentration (mg kg−1) (n = 3) | Recovery (%) |
|---|---|---|
| 2.19 | 2.00 ± 0.09 | 91.5 |
| 2.71 | 2.65 ± 0.08 | 97.8 |
| 3.16 | 3.25 ± 0.09 | 102.6 |
| 3.56 | 3.58 ± 0.03 | 100.5 |
| 3.74 | 3.93 ± 0.18 | 105.1 |
