Electrochemical xanthine detection by enzymatic method based on Ag doped ZnO nanoparticles by using polypyrrole

A sensitive electrochemical detection of xanthine (X), which is an early biomarker of fish meat spoilage, was achieved by a novel biosensor developed via three main steps. The first step is the electropolymerization of a conducting polymer (pyrrole) onto the pencil graphite electrode (PGE). The seco...

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