Table 2 Comparison of graphene-based glucose sensors.
Channel material | Glucose detection span (mM) | Measurement method | Response/recovery time (s) | Reversibility (amperometric) | Sensitivity | Reference |
|---|---|---|---|---|---|---|
N-doped graphene | 0.01 ~ 0.5 | Chronoamperometric | ~10/NA | NA | NA | |
Cu nanoparticle-modified graphene | 0.05 ~ 0.25 | Amperometric | ~2/NA | NA | NA | |
Graphene/AuNPs/chitosan nanocomposites | 2 ~ 10 | Cyclic voltammograms, amperometric | ~10/NA | NA | 6 mM: 3.2% | |
Pt NPs/graphene/chitosan nanocomposite film | 0.15 ~ 4.2 | Cyclic voltammograms,amperometric | ~10/NA | NA | NA | |
CVD graphene | 0.1 ~ 10 | Amperometric | ~50/NA | NA | N/A | |
Au-decorated CVD graphene | 0.01 ~ 10 | Transfer curves, on–off available sensing curves | ~50/~125 | Reversible | 32 mV/mM 5 mM: 2750% | Our work |
