| Species | Concentration (1 µM) | % variation in the DPV peak current (with CAF = 100%) |
| Fullerene/MWCNT/Naf/GCE | ||
| Citric acid | 100 | 1.01 |
| 200 | 5.31 | |
| Sulfite | 100 | −11.99 |
| 200 | −18.74 | |
| Glucose | 100 | −5.76 |
| 200 | −14.41 | |
| Dopamine | 100 | −19.43 |
| 200 | −20.06 |