TiO₂ Nanoparticles Decorated Graphene Nanoribbons for Voltammetric Determination of an Anti-HIV Drug Nevirapine

Table 2

Analytical parameters for electrochemical determination of nevirapine in 0.1 M PBS at pH 11.0.

Analyte	E(mV)	LDR (μM)	Linear regression equation (y ↔ i/µA; x ↔  [analyte], µM)	R^2	LOD (μM)	RSD (%)
Nevirapine^a	+400	0.020–0.14	y = 25.36 x + 1.73	0.9912	0.041	2.65
Glucose^b	+800	0.020–0.14	y = 321.43x + 7.94	0.9914	0.012	1.42
Nevirapine^b	+400	0.020–0.14	y = 269.52x + 1.13	0.9872	0.043	2.60
Glucose^c	+800	0.020–0.14	y = 402.91x + 6.12	0.9971	0.012	1.48
Nevirapine^c	+400	0.020–0.14	y = 75.00x + 6.07	0.9911	0.043	2.65
Nevirapine^d	−	Log (0.20–1.2)	R et (kΩ) = −2.28 log x + 1.06	0.9842	0.070	2. 75

^aStatistical data for DPV single analyte determination. ^bStatistical data from DPV for single analyte when the concentration of the other analyte is kept constant. ^cStatistical data from DPV for both analytes simultaneously determined. ^dImpedimetric determination.