Table 1. Analytical comparison of the as-prepared GR-CMF/laccase modified SPCE with the previously reported laccase biosensors for determination of CC.
| Biosensor | Detection limit (μM) | Linear range (μM) | Sensitivity (μA mM–1 cm−2) | Ref. |
|---|---|---|---|---|
| 1RGO-PdCu NCs/Lac/GCE | 1.52 | up to 1155.0 | 12.65 | 42 |
| 2N-OMC/PVA/Lac/AuE | 0.39 | up to 8.98 | 0.29 | 43 |
| 3Cu-OMC/PVA/Lac/AuE | 0.67 | up to 15.75 | 0.104 | 44 |
| 4Cu/CNFs/Lac/Nafion/GCE | 1.18 | up to 9760.0 | 33.1 | 45 |
| 5Lac/AP-rGOs/Chit/GCE | 7.0 | up to 700.0 | 1.12 | 46 |
| 6Lac/MCNT-CS/GCE | 0.66 | up to 30.0 | NR | 47 |
| 7Lac/PANI/GCE | 2.07 | up to 19.36 | 0.7067 | 48 |
| 8Lac/GC-rGO/GCE | 0.076 | up to 15.0 | 0.0065 | 52 |
| 9Lac/MCNT/GCE | 2.0 | up to 1000.0 | NR | 49 |
| 10Lac/CS/ZnO/GCE | 0.290 | up to 100.0 | 0.001052 | 50 |
| GR-CMF/laccase/SPCE | 0.085 | up to 209.7 | 0.932 | This work |
1Laccase immobilized on reduced graphene oxide supported palladium–copper alloyed nanocages.
2Laccase immobilized on nitrogen-doped ordered mesoporous/PVA matrix.
3Laccase immobilized in copper-containing ordered mesoporous carbon/chitosan matrix.
4Laccase immobilized on Electrospun copper/carbon composite nanofibers.
5Laccase immobilized onto 1-aminopyrene functionalized reduced graphene oxide.
6Laccase immobilized on carbon nanotubes–chitosan composite.
7Laccase immobilized on polyaniline.
8Laccase immobilized on reduced graphene oxide–glycol chitosan nanohybrid.
9Laccase immobilized on multi-walled carbon nanotubes.
10Laccase immobilized in a ZnO sol-gel with chitosan.