TABLE 1.
Comparison of normalized signals from functionalized CNT modification for 10 μM serotonin, 10 μM dopamine and 200 μM ascorbic acid detection
| Oxidation | Serotonin | Dopamine | Ascorbic Acid | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| CNT | CONH2 | COOH | ODA | CONH2 | COOH | ODA | CONH2 | COOH | ODA |
| Mean | 46 | 5.4 | 1.1 | 13 | 4.6 | 1.3 | 1.2 | 4.5 | 1.0 |
| Median | 3.2 | 3.6 | 0.93 | 2.0 | 2.3 | 1.0 | 0.91 | 2.4 | 0.80 |
| Range | 0.75 – 270 | 1.2 – 21 | 0.64 – 2.3 | 0.38 – 99 | 0.83 – 22 | 0.72 – 4.4 | 0.43 – 5.6 | 1.0 – 16 | 0.51 – 2.3 |
| Standard Deviation | 80 | 5.4 | 0.52 | 27 | 5.5 | 0.92 | 1.36 | 5.07 | 0.59 |
| Sample Size | 27 | 20 | 10 | 39 | 26 | 15 | 13 | 18 | 8 |
| Reduction | Serotonin | Dopamine | Ascorbic Acid | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| CNT | CONH2 | COOH | ODA | CONH2 | COOH | ODA | CONH2 | COOH | ODA |
| Mean | 72 | 6.2 | 1.1 | 8.3 | 3.7 | 1.2 | 3.2 | 5.6 | 2.9 |
| Median | 3.2 | 3.0 | 0.91 | 1.9 | 1.9 | 1.1 | 1.6 | 4.52 | 1.8 |
| Range | 0.75 – 370 | 0.99 – 31 | 0.56 – 1.8 | 0.28 – 69 | 0.57 – 17 | 0.75 – 3.3 | 0.82 – 15 | 0.85 – 46 | 0.81 – 9.6 |
| Standard Deviation | 79 | 8.0 | 0.44 | 15 | 4.7 | 0.63 | 4.7 | 5.3 | 2.9 |
| Sample Size | 27 | 20 | 10 | 39 | 26 | 15 | 13 | 18 | 8 |