Research Article

Evaluation of Acetylcholinesterase Biosensor Based on Carbon Nanotube Paste in the Determination of Chlorphenvinphos

Figure 2

Typical Nyquist plots: (a) carbon nanotube paste electrode (60% w/w), (b) CNTs-AChE biosensor in 5.0 mM in 0.5 M KCl solution. Insert: the proposed Randle’s model.
974216.fig.002a
(a)
974216.fig.002b
(b)