Table 2 The application of MCSNP/SPE for determination of ACh in ampoule, serum and urine samples (n = 5)
From: Nonenzymatic coated screen-printed electrode for electrochemical determination of acetylcholine
Sample | Spiked (μM) | Found (μM) | Recovery (%) | RSD (%) |
|---|---|---|---|---|
ACh ampoule | 0.0 | 34.0 | – | 2.6 |
10.0 | 43.7 | 97.0 | 3.0 | |
20.0 | 54.4 | 102.0 | 2.5 | |
40.0 | 73.0 | 97.5 | 3.1 | |
Urine | 0 | Not detect | – | 3.2 |
10.0 | 10.2 | 102.0 | 2.6 | |
20.0 | 20.3 | 101.5 | 3.1 | |
40.0 | 40.9 | 102.2 | 2.9 | |
Serum | 0 | Not detect | – | 4.1 |
10.0 | 9.7 | 97.0 | 3.8 | |
20.0 | 20.6 | 103.0 | 4.2 | |
40.0 | 41.5 | 103.8 | 3.7 |