Table 2.
Comparison of the nanocomposite-modified sensor with the ones recorded in the literature for the detection of all four nucleobases.
| Electrode | Analytes | Detection Limit (µM) | Linear Range (µM) | Reference |
|---|---|---|---|---|
| Graphene-Nafion modified GCE | G | 0.58 | 2–120 | [37] |
| A | 0.75 | 5–170 | ||
| MWCNT-Fe3O4 coated with PDA-Ag modified GPE | G | 1.5 | 8–130 | [38] |
| A | 5.7 | 0.1–120 | ||
| GMC modified GCE | G | 0.76 | 25–150 | [39] |
| A | 0.63 | 25–200 | ||
| PANI-MnO2 modified GCE | G | 4.8 | 10–100 | [32] |
| A | 2.9 | 10–100 | ||
| T | 1.3 | 10–100 | ||
| C | 1.3 | 10–100 | ||
| MWCNT-graphite deposited with Au-rGO modified GPE | G | 3.3 | 3–170 | [5] |
| A | 3.7 | 3–190 | ||
| T | 7.9 | 7.5–800 | ||
| C | 9.0 | 9–900 | ||
| Prussian blue/ poly(4-aminosalicylic acid)/ uricase modified graphite screen-printed electrode | UA | 3.0 | 10–200 | [40] |
| Screen-printed graphene electrode | UA | 0.4 | 1.2–1.8 | [41] |
| Poly(DPA) on SiO2@Fe3O4 modified screen-printed graphene electrode | UA | 0.20 | 0.8–2500 | [33] |
| Au-Nafion-modified carbon screen-printed electrode | UA | 0.3 | 0.5–600 | [42] |
| GO-MWCNT hybrid with CHT modified GCE | UA | 0.12 | 1–151 | This work |
| G | 0.11 | 1–78 | ||
| A | 0.43 | 2–119.5 | ||
| T | 1.71 | 12.5–227.5 | ||
| C | 0.80 | 5–132.5 |
PDA: polydopamine; GPE: graphite paste electrode; GMC: graphitized mesoporous carbon; PANI: polyaniline; rGO: reduced graphene oxide; poly(DPA): polydopamine.