Table 2.
Comparison of the response characteristics of different modified electrodes for insulin detection.
| Electrode | Method | Linear Range (nM) | Detection Limit (nM) | Ref. |
|---|---|---|---|---|
| SiO2NPs-Nafion/GCE a | DPV | 10–50 | 2.8 | [31] |
| NiNPs/ITO | CA | 1–125 | 0.01 | [32] |
| EDA b-CNFs c-NiO | CA | 20–1020 | 12.1 | [33] |
| SPE d/MWCNT e/NiONPs f | CA | 20–260 | 6.1 | [34] |
| CNT-NiCoO2/Nafion | CA | 17.2–5430 | 37.93 | [35] |
| GCE/CNT | CV | 3.45–68.97 | 1.34 | [36] |
| Guanine/NiOxNPs/GCE | CA | 100–1000 | 0.022 | [37] |
| Ni(OH)2–GN g/GCE | CA | 800–6400 | 200 | [38] |
| rGO/ITO | EIS | 0.17–172.4 | 0.086 | This work |
a Glassy Carbon Electrode; b Ethylenediamine; c Carbon Nanofibers; d Screen Printed Electrode; e Multi-walled Carbon nanotube; f Nickel Oxide Nanoparticles; g Graphene Nanocomposite.