https://sbc-115076antagonist.c....om/real-time-detecti
Herein, we demonstrate an alternative solution highly-sensitive colorimetric way for paper-based sandwich-type biosensing that utilizes starch-iodide complexation to streamline practical biosensing making use of ubiquitous reagents. Focusing on the mycotoxin ochratoxin A (OTA), a covalently-immobilised OTA antibody on a cellulose surface catches OTA and forms a sandwich with OTA aptamer-conjugated sugar oxidase. Adding the chromogeni
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