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The simultaneous detection of various mycotoxins is indispensable for food safety since the agricultural products are often contaminated by multiple mycotoxins. Herein, we report a signal-enhancement fluorescent aptasensor based on DNA-scaffolded silver nanoculsters (DNA/AgNCs) for simultaneous detection of Ochratoxin A (OTA) and Aflatoxin B1 (AFB1). The OTA aptamer (Ap1) and the AFB1 aptamer (Ap2)...
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