Table 3.

Comparison of different methods for determination of DOX.

Method	Limit of detection	Lower limit of quantitation	R 2	Ref.
DPVa	0.016 μM	0.018 μM	0.9971	[39]
DPVa	0.016 μM	0.050 μM	0.9971	[38]
EISB	0.09 pg·mL−1	—	0.99	[40]
DPV	0.1 nM	—	0.9981	[41]
SWV	1.0 nM	—	0.9954	[42]
DPAdSV	2.8 nM	—	0.99	[43]
SWV	0.008 μM	0.056 μM	0.99	[37]
SWV	8.12 nM	56 nM	0.9911	This work

^aDifferential pulse voltammetry.^bElectrochemical impedance spectroscopy.^CAdsorptive stripping differential pulse voltammetry.