Table 2.
Analyte | Biosensor | Sensitivity (µA/mM) | Linear Range (µM) | LOD 2 (µM/pmol) |
---|---|---|---|---|
PCh | Pt/oPPy/ChO-ALP | 0.197 | 3–1000 | 2.7/53.6 |
Ch | Pt/oPPy/ChO-ALP | 1.30 | 0.3–1000 | 0.19/3.9 |
Ch | Pt/oPPy/ChO | 1.39 | 0.3–1000 | 0.28/5.6 |
1 Carrier solution: borate buffer (pH 9, I 0.1 M); flow rate 1 mL/min; injection volume 20 µL. Other experimental conditions as described in Section 2. 2 LOD: relative (µM) and absolute (pmol injected) limit of detection calculated at a signal-to-noise ratio of 3.