Polyurethane Application to Transform Screen-Printed Electrode for Rapid Identification of Histamine Isolated from Fish

Figure 2

The study of an unmodified SPE using (a) CV and (b) EIS in PBS (100 mmol·L⁻¹), and the study of unmodified and modified SPE using various concentrations of lithium perchlorate using (c) CV and (d) EIS in PBS (100 mmol·L⁻¹).

(a)

(b)

(c)

(d)