Table 4.
Conventional and Microchip CE systems with electrochemical detection using BDD as the working electrode.
| DT | Pre-treatment | Analyte | Sample | LOD (μM) | LR (μM) | AF | REF |
|---|---|---|---|---|---|---|---|
| CONVENTIONAL CE SYSTEM | |||||||
| AMP | NR | Dopamine (DP) Norepinephire (NOR) Epinephrine (EPI) |
NR | 0.02 (DP) 0.02 (NOR) 0.02 (EPI) |
0.1–100 | 3 | Shin et al., 2003 |
| AMP | Water rinsed | Catechol (CTC) Dopamine (DOP) |
Standard solution | 0.1 (CTC) 0.08 (DOP) |
0.1–100 (CTC) 0.08–100 (DOP) |
7 | Cvačka et al., 2003 |
| AMP | NR | 2-Chlorophenol (2-CP) 3-Chlorophenol (3-CP) 4-Chlorophenol (4-CP) 2,4-Dichlorophenol (2,4-DCP) 2,4,6-Trichlorophenol (2,4,6-TCP) Pentachlorophenol (PCP) |
Natural water | 1.6 × 10−4 (2-CP) 1.6 × 10−4 (3-CP) 1.6 × 10−4 (4-CP) 2.4 × 10−4 (2,4-DCP) 1.0 × 10−3 (2.4.6-TCP) 1.9 × 10−4 (PCP) |
1.6 × 10−4 −0.78 (2-CP/3-CP/4-CP) 2.4 × 10−4 −0.80 (2,4-DCP) 1.0 × 10−3 −0.76 (2,4,6-TCP) 1.9 × 10−4 −0.75 (PCP) |
4 | Muna et al., 2005 |
| AMP | Rinsing/isopropyl alcohol | Dopamine hydrochloride (DA) Norepinephrine (NE) DL-Normetanephrine hydrochloride (NM) DL-3,4-Dihydroxyphenylethyleneglycol (DOPEG) DL-Vanillyl-mandelic acid (VMA) |
Standard solution | 0.04 (DA) 0.05 (NE) 0.04 (NM) 0.25 (DOPEG) 0.15 (VMA) |
0.05–100 (DA/NE/NM) 0.25–50 (DOPEG) 0.100–50 (VMA) |
4 | Park et al., 2006 |
| AMP | NR | Norepinephrine (NE) | Biological tissue | 0.05 | 0.08–1.00 | 9 | Quaiserová-Mocko et al., 2008 |
| MICROCHIP CE SYSTEM | |||||||
| AMP | Sonication/2-propanol/10 min. | 1,3-Dinitrobenzene (1,3-DNB) 2,4-Dinitrotoluene (2,4-DNT) |
NR | 0.42 (1,3 DNB) 0.60 (2,4-DNT) |
1.2–8.3 (1,3 DNB) 1.1–7.7 (2,4-DNT) |
20 | Wang et al., 2003 |
| AMP | Sonication/2-propanol/10 min. | Guanosine (GNS) Xanthine (XNT) |
NR | 2.2 (GNS) 2.1 (XNT) |
50–250 | 18 | Wang et al., 2004 |
| AMP | Sonication/2-propanol/10 min. | 4-Aminophenol (4-AP) 2-Aminonaphthalene (2-AN) |
NR | 2.0 (4-AP) 1.3 (2-AN) |
2–50 | 36 | Shin et al., 2004 |
DT, detection technique; AF, analytical frequency; LR, linear range; AMP, amperometry; PAD, pulsed amperometric detection; LOD, limit of detection; NR, not reported.