Table 5 Relative standard deviation (RSD) and recovery percentage of TMAO from human urine samples using MIP/ITO electrode.
TMAO added to the urine sample (ppm) | DPV peak current for TMAO (μA) | DPV peak current of spike-sample (μA) | Relative standard deviation (RSD %) | Recovery (%) |
|---|---|---|---|---|
0 | 103 | 107 | 2.69 | 103.88 |
0.1 | 97.473 | 103 | 3.90 | 105.67 |
0.5 | 96.069 | 100 | 2.84 | 104.09 |
1 | 94.147 | 98.3 | 3.05 | 104.41 |
2 | 92.651 | 96.8 | 3.10 | 104.47 |
4 | 91.522 | 94.9 | 2.56 | 103.69 |
6 | 90.24 | 93.2 | 2.28 | 103.28 |
8 | 89.08 | 92.3 | 2.51 | 103.61 |
10 | 88.104 | 89.8 | 1.35 | 101.92 |
12 | 86.975 | 87.7 | 0.59 | 100.83 |
15 | 85.63 | 86.5 | 0.71 | 101.01 |