Table 2.

The peak summary for the comparative voltammogram of the SPCE, SPCE/LPE/BiONPs and SPCE/LPE/BiONPs/PANI in the probe.

ELECTRODES	Epa (V)	Ipa (µA)	Epc (V)	Ipc (µA)	∆Ep (V)	$\frac{{\mathit{i}}_{\mathit{p}\mathit{a}}}{{\mathit{i}}_{\mathit{p}\mathit{c}}}$
SPCE	0.190	53.379	0.020	−66.229	0.17	0.806
SPCE/PANI	0.220	95.620	0.020	−113.910	0.12	0.840
SPCE/LPE/BIONPs	0.192	83.587	0.0925	−83.324	0.10	1.003
SPCE/LPE/BIONPs/PANI	0.182	59.421	0.0765	−60.181	0.11	0.987