Quantification of Myoinositol in Serum by Electrochemical Detection with an Unmodified Screen-Printed Carbon Electrode

Table 3

The effect of hemoglobin and bilirubin on the determination of MI in serum by electrochemical assay.

Added hemoglobin (mg/mL)	Myoinositol (μmol/L)			Added bilirubin (μmol/L)	Myoinositol (μmol/L)
	Measured	XT−XC	1.96S		Measured	XT−XC	1.96S
0.0	150.65	—	10.16	0.0	150.65	—	10.16
2.0	149.16	−1.48	N	40.0	150.22	−0.42	N
4.0	147.27	−3.37	N	80.0	143.03	−7.61	N
8.0	123.90	−26.74	I	160.0	141.18	−9.46	N
12.0	—	—	I	180.0	138.46	−12.18	I
16.0	—	—	I	200.0	123.60	−27.04	I

X_C, the concentration of MI in serum before adding hemoglobin/bilirubin; X_T, the concentration of MI in serum after adding standards of hemoglobin/bilirubin; N, no significant interference; I, significant interference.