Table 1.
Overview of the different dissociation constants (Kd) and limits of detection (LOD) values obtained for each SWCNT-DNA sensor-neurotransmitter combination. Both Kd and LOD are in nmol/L.
| NT | (GT)15 | (GT)20 | (GT)10 | A30 | C30 | T30 | (GA)15 | (GC)15 | (CT)15 | (AT)15 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Kd | D | 395.2 * | 42.3 | 9.2 | 28.4 | 499.2 * | 237.2 | 627.8 * | 0.7 * | 25.8 | 9438 |
| E | 159.1 | 112.6 | 178.2 | 171.9 | 177.2 | 51.1 | 234.3 | 49.3 | 47.1 | 241.5 | |
| N | 70.3 | 58 | 71.9 | 25 | 193.1 | 33.6 * | 21.4 | 2.3 | 52.8 | -* | |
| LOD | D | 6.4 * | 0.6 | 0.1 | 3.6 | 2.7 * | 1.2 * | 507.2 | 28.5 * | 4.4 | 3776.6 |
| E | 1.4 | 2.2 | 0.7 | 3.2 | 1.4 | 1.0 | 1.8 | 0.5 | 0.8 * | 23.7 | |
| N | 3.2 | 2.4 | 7.7 | 1.6 | 4.8 | 33.3 | 3.8 | 0.5 | 3.9 | * |
* No clear (sigmoidal) fit possible. Kd: Dissociation constant. LOD: Limit of detection definition used = 3× standard error at c = 0 nM. D: Dopamine. E: Epinephrine. N: Norepinephrine.