Table 2.

Comparison of present method with other methods.

Matrix	Method	The linear dynamic range	LOD	Reference
Maize	Colorimetric aptasensor	5–300 ng/mL	5 ng/mL	This work
	Ultra performance liquid chromatography –Mass	5–640 μg/kg	3.1 μg/kg	Kafouris et al., 2017
	Aptamer-based lateral flow test strip	5–200 ng/mL	20 ng/mL	Wu et al., 2018
	Colorimetric assay based on Aptamer and AuNPs with peroxidase-like activity	10–250 ng/mL	10 ng/mL	2018
	A fluorescence resonance energy transfer probe based on functionalized graphene oxide and upconversion nanoparticles	0.005–100 ng/mL	0.0018 ng/mL	Li et al., 2021