Table 2.
Detection of NFT with various biological samples using the NiFe/f-MWCNT electrode.
| Sample | Added (µM)* | Detected (µM)a | Detection rate (%) (Mean ± RSD) (n = 3)b |
|
|---|---|---|---|---|
| DPV | HPLC | |||
| Human serum | 5 | 4.96 | 4.92 | 99.2 ± 0.014 |
| 10 | 9.92 | 9.91 | 99.2 ± 0.019 | |
| 20 | 19.96 | 20.03 | 99.8 ± 0.017 | |
| 30 | 29.94 | 29.08 | 99.8 ± 0.021 | |
| Urine | 5 | 4.91 | 4.94 | 98.2 ± 0.012 |
| 10 | 9.97 | 9.94 | 99.7 ± 0.023 | |
| 20 | 19.94 | 19.99 | 99.7 ± 0.011 | |
| 30 | 29.95 | 30.01 | 99.8 ± 0.015 | |
*standard addition.
aAverage value from the sum of three measurements.
bRelative standard deviation (RSD) of (n = 3 is the sum of three individual measurements).