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An electrochemical immunosensor for okadaic acid (OA) detection has been developed, and used in an indirect competitive immunoassay format under automated flow conditions. The biosensor was fabricated by injecting OA modified magnetic beads onto screen printed carbon electrode (SPCE) in the flow system. The OA present in the sample competed with the immobilized OA to bind with anti-okadaic acid monoclonal...
A-label-free electrochemical impedimetric immunosensor for rapid detection of okadaic acid was developed. The sensor was based on the diazonium-coupling reaction mechanism for the immobilization of anti-okadaic acid monoclonal antibody (anti-OA-MAb) on screen printed carbon electrode. Following initial grafting of 4-carboxyphenyl film by electrochemical reduction of 4-carboxyphenyl diazonium salt,...
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