DNA tetrahedral scaffold-corbelled 3D DNAzyme walker for electrochemiluminescent aflatoxin B1 detection
Food Chemistry（2022）
Abstract
•An in situ quenching ECL biosensor was designed for AFB1 detection.•DNA tetrahedral scaffold corbelled 3D DNAzyme walker achieved an efficient amplification.•A detection limit of 0.58 fg/mL was obtained for AFB1 detection.•Sensor could be built in the arbitrary fields of target assays through replacing the aptamer.
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Key words
DNA tetrahedral scaffold,3D DNAzyme walker,Electrochemiluminescence,Aflatoxin B1
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