Table 4 Enzyme-based biosensor used to detect dopamine.
Enzyme | Samples | LOD (nM) | Linear range (μM) | Technique | References |
|---|---|---|---|---|---|
Laccase | Dopamine injection sample | 5.2 | 0.0052–100 | SPR | This study |
Polyphenol oxidase | – | 50 | 0.050–0.08 | Electrochemical method | |
Tyramine oxidase. HRP | PC12 cell | 10 | 0.001–1 | Enzyme-catalyzed luminescence method | |
HRP | Dopamine injection sample | 600 | 15–865 | Voltammetric study | |
Laccase | Human plasma, pharmaceutical samples | 29 | 0.5–13 | Electrochemical method | |
Laccase | Pharmaceutical injection | 180 | 1.5–7.5 | Electrochemical Method | |
Tyrosinase | – | 5 × 103 | 5–50 | Electrochemical method | |
Tyrosinase | Human urine | 30 | 0.01–1000 | Fluorescence study | |
Tyrosinase | Human serum | 60 | 0.1–6.0 | Fluorescence study | |
Tyrosinase | Serum samples | 3.1 × 10−3 | 0.0075 × 10−3–1.5 × 10−3 | Electrochemical method | |
Tyrosinase | Rat brain in vivo | 1.0 | 0.01–220 | Electrochemical method |
