Table 3.

Structure switchable aptamer based assays for OTA.

Sr. No	Detection Method	Limit of Detection	Linear Range	Sample Analyzed	Reference
1	Fluorescence detection	0.001	0.002–10	Corn flour	[82]
2	Fluorescence detection	8.8	807–14133	Red wine	[83]
3	Colorimetric detection	1	1–4	Wine	[84]
4	Fluorescence detection	0.8	1–100	Corn	[85]
5	Electrochemical detection	0.0004	0.001–0.02	Wheat	[86]
6	Electrochemical detection	0.000095	0.0001–0.001	Red wine	[87]
7	Colorimetric detection	1.61	1.61–12.11	Wine	[88]
8	Electrochemical detection	0.00012	0.00012–0.0055	Beer	[89]
9	Electrochemical detection	0.1	0.12–8 .5	Beer	[90]