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Comparison of analytical performance between formaldehyde biosensors based on AOX-poly(nBA-NAS) and AOX-poly(HEMA) film (10 mM Tris-HCl buffer pH 6.5).
| Parameters | AOX-poly(nBA-NAS) microspheres | AOX-poly(HEMA) Film |
|---|---|---|
| Sensitivity (mV/decade) | 59.41 ± 0.66 | 54.91 ± 5.07 |
| R2 | 0.9776 | 0.9684 |
| Dynamic linear range (mM) | 0.3–316.2 | 10.0–316.2 |
| Detection limit (mM) | 0.3 | 4.0 |
| Response time (s) | 1–8 | 10–85 |
| Repeatability (RSD %) | 1.11 | 9.23 |
| Reproducibility (RSD %) | 3.16 | 7.63 |
