Table 2.
Comparison of analytical characteristics of enzymatic electrochemical sensors of uric acid.
| Sensor | Linear Range, μM | LOD, μM | KM, μM | Sensitivity, μA/μM |
|---|---|---|---|---|
| UOx/ZnO/ITO [48] | 5–750 | 130 | n/a | 0.010 |
| Nafion/UOx/ZnO/FTO [49] | 10–1500 | 2.5 | n/a | 0.345 |
| PANI–UOx/ITO [29] | 10–600 | 10 | 5.1 | 0.016–0.047 |
| UOx/PANI–PB/Pt [50] | 10–160 | 2.6 | 34.13 | 0.160 |
| UOx/MWCNT/SPE [51] | 0.0001–1 | 0.0005 | 0.04 | 418 |
| UOx/MWCNT-CMC/Au [52] | 20–5000 | 2.8 | 630 | 0.233 |
| GA/UOx/Chitosan/SACNT/Pt [53] | 100–1000 | 1.0 | n/a | 0.518 |
| (UOx/PAA)9UOx/(PAA/PVS)2PAA/Pt [54] | 1–1000 | n/a | n/a | n/a |
| UOx/Fc/Cu2O/GCE [55] | 0.1–1000 | 0.06 | 34.74 | 0.002 |
| This work | 1–70 | 0.81 ± 0.07 | 2 | 10.64 ± 0.96 |