Table 2. Electroactive areas of SPE modified with various dispersions (SPE – screen-printed electrode, fCNT – functionalized carbon nanotubes).
| SPE modification | Electroactive area, cm2 | 
| SPE | 0.0024 | 
| Tuball Batt (CNT in carboxymethyl cellulose) | 0.1258 | 
| fCNT in ethanol | 0.0121 | 
| fCNT in chloroform | 0.0032 | 
| fCNT/TiO2 | 0.1355 |