Ultrasensitive Detection of Ferulic Acid Using Poly(diallyldimethylammonium chloride) Functionalized Graphene-Based Electrochemical Sensor

Table 1

Interference of different species in the determination of FA at PDDA-G/GCE.

Interference	Interference concentration/𝜇g mL^−1	FA recovery/%
Glucose	36.37	102.23
Uric acid	13.52	99.87
Ascorbic acid	29.03	98.69
Citric acid	39.58	100.14
L-Glutamic acid	33.34	102.52
L-Glycine	16.08	96.57
Phthalate	15.74	104.71
Ligustilide	78.38	102.48