Table 3.
Electrochemical performance of the GCE/FSG and GCE/PFSG electrodes in the detection of DA and UA.
| Electrodes | LOD (µM) | Linear Range (µM) | Peak Potential Separation (mV) | Reference | ||
|---|---|---|---|---|---|---|
| DA | UA | DA | UA | |||
| GR–SnO2/CILE | 0.13 | - | 0.5–500 | - | 170 | [15] |
| α-Fe2O3/PAn (NTs)/GCE | - | 0.038 | - | 0.01–5 | - | [16] |
| GCE/PANI-NiO | 0.0153 | - | 2.4–20 | - | - | [28] |
| GCE/PANI-ZnO | 0.0166 | - | 2.4–20 | - | - | |
| GCE/PANI-Fe2O3 | 0.0176 | - | 2.4–20 | - | - | |
| Au-Cu2O/rGO | 3.9 | 6.5 | 10–90 | 100–900 | 104 | [56] |
| Au-SiO2/GC | 1.98 | 2.58 | 10–100, 200–500 | 10–500 | 215 | [57] |
| HNP-AuAg | 0.2 | 1 | 5–335 | 5–425 | 150 | [58] |
| CdTe QDs-Gr/GC | 0.33 | 0.33 | 1–600 | 1–600 | - | [59] |
| PEDOT/Au nanoparticles | 0.07 | 0.08 | 0.15–330 | 1.5–150 | 220 | [60] |
| PtNi@MoS2/GCE | 0.1 | 0.1 | 0.5–250 | 0.5–1800 | 150 | [61] |
| MoS2 NFs-rGO/ITO | 0.12 | 0.14 | 5–60 | 5–60 | - | [62] |
| GCE/FSG | 1.5 | 1.8 | 1–35, 35–100 | 5–40, 40–150 | 140 | this work |
| GCE/PFSG | 0.076 | 1.6 | 0.1–20, 20–120 | 5–50, 50–300 | 150 | this work |