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

Table 3

Comparison of different analytical methods for the detection of FA.

Linear range (μg mL^−1)	LOD (μg mL^−1)	Detection method	References
9.71–194.18	0.19	SWSV^a	[14]
0.097–15.53	0.023	IPM^b	[15]
0.18–582.54	0.06	DPV	[16]
0.04–2.14	7.77×10^−3	CSV^c	[17]
0.50–20.0	0.04	HPLC-DAD-ESI/MS^d	[42]
0.05–5.0	0.01	CZE (amperometric)^e	[43]
0.10–9.71	0.04	DPV	[32]
0.02–10.27	8.58×10^−3	DPV	Present

aSquare wave stripping voltammetry; ^birreversible biamperometry; ^ccathodic stripping voltammetry; ^dhigh-performance liquid chromatography coupled with diode array detection and electrospray ionization mass spectrometry; ^ecapillary zone electrophoresis.