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A self-assembled monolayer (SAM) of l-homocysteine (l-Hcy) formed on the surface of a gold-deposited gate of a field effect transistor (FET) was used to differentiate between enantiomers of amino acids, for which the formation of diastereomeric metal complexes is fundamental for chiral discrimination. Here, we focus our attention on the dependence of the FET response on the analyte amino acids, the...
The application of field effect transistor (FET) to chiral discrimination was investigated. An Au film vapor-deposited on a self-assembled monolayer (SAM) of (3-mercaptopropyl)trimethoxysilane, which was formed on the SiO 2 gate of FET as an adhesive and insulating layer, stabilizes the drain current–gate voltage (I d –V g ) property of FET. The modification by homocysteine...
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