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  • An Extended-gate Type Organic FET Based Biosensor for Detecting Biogenic Amines in Aqueous Solution.

An Extended-gate Type Organic FET Based Biosensor for Detecting Biogenic Amines in Aqueous Solution.

Analytical sciences : the international journal of the Japan Society for Analytical Chemistry (2015-07-15)
Tsuyoshi Minami, Tsubasa Sato, Tsukuru Minamiki, Shizuo Tokito
PMID26165298
ABSTRACT

This study is the first to report on the detection of biogenic amines in an aqueous solution using an organic field-effect transistor (OFET) device with an extended gate electrode modified with a layer of diamine oxidase and a horseradish peroxidase osmium-redox polymer. The limit of detection (LOD) for histamine was estimated to be 1.2 μM. These results reveal that extended-gate type OFET devices are highly suitable enzyme-based biosensors for the detection of biogenic amine levels.

MATERIALS
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