Table 4.
Representative commercial and non-commercial glucose sensor for laboratory settings and SMBG
| Manufacturer | Sample | Type | Sensor material | Method | Sensitivity | Linear Range (mg/dL) |
LOD (mg/dL) |
|---|---|---|---|---|---|---|---|
| Commercial | |||||||
| Roche Cobas 92 (laboratory) |
S, P, U, CSF | Enzymatic (G6PD/NADP) |
- | Photometric | 1.003§ | 2-750 | 2 |
| Roche Accu-check 93,94 (SMBG) |
PB | Enzymatic (GDH/FAD) | Palladium | Electrochemical | 0.127 μA/mM | 10-600 | 10 |
| Non-Commercial | |||||||
| Yang et al. 95 | Glc/NaOH* | Non-enzymatic | PDDA-graphene/CuO | Amperometric | 4982.2 μA mM-1cm-2 | 0.072-72 | 0.004 |
| Zang et al. 96 | WB | GOx/HRP | TMB/GOx/HRP bi-enzymatic | Photometric | 1.1 (a.u.)/(mg/dL) | 49-284 | 5 |
| Màrquez et al. 97 | WB | Enzymatic (GOx/HRP) | Calcium alginate hydrogel | Amperometric | 0.27 μA mM-1cm-2 | 36-218 | 0.007 |
S, serum; P, plasma; U, urine; CSF, cerebrospinal fluid; PB, peripheral blood; WB, whole blood; LOD, limit of detection; PDDA, poly-dimethyl diallyl ammonium chloride; TMB, 3,3', 5,5' tetramethylbenzidine dihydrochloride; HRP, horseradish peroxidase. §angular coefficient provided by the linear regression (calibration curve y = 18.07·x-0.11 mg/dL). *Glucose in alkaline solution.