Table 4 OECTs for other small molecules sensing
From: Biomolecule sensors based on organic electrochemical transistors
Analyte | Gate | Channel material | Electrolyte | Current sensitivity | Detection limit | Detection range | Ref. |
|---|---|---|---|---|---|---|---|
Cortisol | Ag/AgCl | PEDOT:PSS | Artificial sweat | 2.68 μA/decade | - | 0.1 nM–0.5 mM | |
UA | Pt/Nafion/Graphene /PANI/UOx-GO | PEDOT:PSS | PBS | - | 30 nM | 30 nM–0.3 mM | |
Urea | PEDOT:PSS | PEDOT:PSS | PBS | - | 1 μM | 1 μM–10 mM | |
AA | NOCC | PEDOT:PSS | PBS | -- | 0.26 μM- | 0.3 μM–1.4 mM 5 μM–1 mM | |
Cortisol | Ag/AgCl | PEDOT:PSS | PBS | - | 0.0088 fg/mL | 1 fg/mL–1 μg/mL | |
Cortisol | Au | PEDOT:PSS | PBS | 50 μA/decade | 100 pM | 1 nM–1 μM | |
UA | Hot-glued textile | PEDOT:PSS | Simulated wound exudate | 0.46 NCR/decade | 23 μM | 100 μM–1 mM | |
UA | MIP/PEDOT/ carbon fiber | PEDOT/rGO/ cotton fiber | Gel | 100 mA/decade | - | 1 nM–500 μM | |
AA | PEDOT:PSS | PEDOT:PSS | PBS | - | - | 10 μM–1200 μM | |
AA | PEDOT:PSS | PEDOT:PSS | PBS | 61.2 μA/decade | 80.1 μM | 0.01 μM–0.1 mM |
