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Tyrosinase-based chemically amplified biosensors, based on a substrate recycling of polyphenolic compounds driven by tyrosinase-catalyzed oxidation and chemical reduction of o-quinones by l-ascorbic acid (AsA), has been applied for the highly sensitive electrochemical determination of the Escherichia coli (E. coli) density. The amplified signal of the tyrosinase-coupling electrode due to the recycling...
A tyrosinase-based chemically amplified biosensor, based on the substrate recycling of polyphenols driven by tyrosinase-catalyzed oxidation and chemical reduction by l-ascorbic acid (AsA), has been utilized for the highly sensitive detection of inhibitors of tyrosinase such as kojic acid, benzoic and SCN - ion. The amplified current response of immobilized tyrosinase-coupling oxygen electrode...
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