Table 1.
Limit of Detection (lod), Sensitivities, and Average Gain in the Linear (“lin”) and Logarithmic (“log”) Regions Obtained for Oects Having Different ag/ach Values.
| Ag/Ach | LOD (mM) |
Ig Sensitivity (mA M−1 cm−2) |
Id Sensitivitylin (mA M−1 cm−2) |
Gainlin |
Id Sensitivitylog
(mA decade−1 cm−2) |
Gainlog |
|---|---|---|---|---|---|---|
| 2 | 0.15 | 0.18 ± 0.04 | 64 ± 4 | 360 | 0.10 ± 0.05 | 160 |
| 4 | 0.02 | 0.12 ± 0.02 | 43 ± 5 | 360 | 0.043 ± 0.008 | 220 |
| 8 | 0.03 | 0.036 ± 0.008 | N/E | N/E | 0.024 ± 0.005 | 120 |
| Amperometric Sensor | 0.3 | 0.18 ± 0.03* | N/A | N/A | N/A | N/A |
*Sensitivity of the amperometric sensor of Figure S1. N/E not estimable; N/A not applicable.