Table 1 Summary of the oxidation peak currents and potentials for the detection of AA, DA and UA obtained by CV and DPV employing the OLC electrodes.
Analyte | Electrode material | CV: Individual detection (1 mM) | CV: Simultanous detection (0.33 mM, respectively) | DPV: Simultanous detection (0.33 mM, respectively) | |||
|---|---|---|---|---|---|---|---|
IP(μA) | EP(V) | IP(μA) | EP(V) | IP(μA) | EP(V) | ||
AA | OLC-1000 | 5 | 0.110 | 2 | 0.110 | 0.3 | 0.024 |
OLC-1100 | 30 | −0.018 | 10 | 0.019 | 0.5 | −0.011 | |
OLC-1200 | 41 | −0.055 | 15 | −0.032 | 20 | −0.054 | |
OLC-1400 | 42 | −0.053 | 15 | −0.015 | 21 | −0.047 | |
DA | OLC-1000 | 44 | 0.275 | 15 | 0.286 | 10 | 0.165 |
OLC-1100 | 55 | 0.219 | 20 | 0.212 | 30 | 0.170 | |
OLC-1200 | 112 | 0.210 | 38 | 0.207 | 220.5 | 0.169 | |
OLC-1400 | 109 | 0.209 | 37 | 0.208 | 217.5 | 0.173 | |
UA | OLC-1000 | 32 | 0.410 | 12 | 0.412 | 12 | 0.35 |
OLC-1100 | 43 | 0.355 | 20 | 0.362 | 22 | 0.319 | |
OLC-1200 | 143 | 0.346 | 50 | 0.349 | 197.5 | 0.331 | |
OLC-1400 | 143 | 0.355 | 53 | 0.352 | 195.1 | 0.335 | |
