Comparison of analytical parameters for detection of glucose over various modified electrodesa.
| Electrode composite | Applied potential | Linearity (mM) | LOD (μM) | Sample | Life time | Ref. |
|---|---|---|---|---|---|---|
| Nafion/GOx/carbon fibre-hemain AuNP/graphite electrode | −0.10 V (vs. Ag/AgCl) | 0.1–0.9 | 5 0 | — | — | 45 |
| Pencil graphite electrode modified with naphthalenedimide/3,4-ethylenedioxythiophene conjugated polymer and enrichedwith Au nanoparticles | −0.7 V (Ag/AgCl) | 0.009–0.33 | 40 | Orange juice | 3 weeks | 46 |
| Au@rGO/PIn/ferritin/GOx/GCE | — | — | — | — | 47 | |
| GOx-chitosan/rGOAuNPs/ | −0.30 V(vs. Ag/AgCl) | 0.1–1.3 | 76 | — | 36 days | 48 |
| Graphite NPs-pyrene-GOx/GCE | 0.60 V (vs. Ag/AgCl) | 0–2.2 7 | 50 | Urine | 30 days | 49 |
| GOx-graphene-thiol/Au nanocube/Au disk | −0.40 V (vs. Ag/AgCl) | 0–0.8 | — | — | 14 days | 50 |
| GOD-CS/AgNWs/GCE | −0.15 V (vs. saturated calomel electrode) | 0.01–0.8 | 2.83 | Human blood glucose | 10 days | 51 |
| Nafion/GOx/Au–Ni coaxial nanorod array/Au electrode | 0.40 V (−) | 0.028–27.5 | 5.5 | — | 30 days | 52 |
| GOx-Au/Pd-MWCNT/SPCE | — | — | 70 | Human blood glucose | 14 days | 53 |
| GOx@GA@FBT/5NF@SPE | 0.7 V (vs. Ag) | 0.0027–1.9 | 0.50 | Human blood glucose | 30 days | This work |
a
Abbreviations mentioned in the table: PENDI: polymerized N,N0-bis(2-hexyl)-2,6-(3,4 ethylene dioxy-thiophene)-1,4,5,8-naphthalenimide; PGE: pencil graphite electrode, rGO: reduced graphene oxide, Pin: polymerization of indole, CS: chitosan, PEI: poly-ethylenimine.