Table 1. Comparison of Py Concentrations Measured in Fish Serum Samplesa.
| methods | added (μM) | found (μM) | ±SD (μM) | recovery (%) | RSD (%) |
|---|---|---|---|---|---|
| proposed biosensor | unknown | 327.3 | 44.04 | 13.5 | |
| 10.0 | 370.4 | 27.91 | 109.8 | 7.5 | |
| 50.0 | 399.5 | 35.60 | 105.9 | 8.9 | |
| 100 | 471.5 | 14.78 | 110.3 | 3.1 | |
| NMR | unknown | 255.6 | 3.738 | 1.46 | |
| 10.0 | 290.9 | 29.81 | 109.5 | 10.2 | |
| 50.0 | 352.3 | 30.38 | 115.3 | 8.62 | |
| 100 | 387.9 | 5.295 | 109.1 | 1.37 | |
| pyruvate assay kit | raw serum | 353.3 | |||
| proposed biosensor | 409.1 | 115.8 | |||
| NMR | 319.5 | 90.4 |
a
SD: standard deviation. RSD: relative standard deviation.