Table 4.

Performance data of piogletazone HCl by the proposed SWAdCS voltammetry (in B–R buffer of pH5 and t_acc =300 s) in serum and urine

Sample	Linearity range (M)	Regression equation ip (μA) = a + b C	Correlation coefficient (r)a	LOD (M)	LOQ (M)
Urine	6 × 10-8 – 4 × 10-7	ip = 4.04 + 2.89 C	0.9983	1.62 × 10-8	4.91 × 10-8
Serum	6 × 10-8 – 4 × 10-7	ip = 3.94 + 2.45 C	0.9981	1.64 × 10-8	4.98 × 10-8

^a6 data points.