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This letter addresses the characteristics of biosensor made of ion-sensitive field-effect-transistors (ISFETs) with stacked 3-aminopropyltriethoxysilane/SiO2 sensing membranes. These devices exhibit higher sensitivity, lower hysteresis, and lower drift characteristics as compared with the conventional ones made with a simple layer of oxide. Much improved performance makes ISFETs a favorable choice...
This study addresses on the characteristic of electrolyte-insulator silicon (EIS) and ion selective field effect transistors (ISFETs) with self-assembled monolayer (SAM)/SiO2 stacked sensing membrane. The proposed stacked sensing membrane exhibited higher sensitivity, lower hysteresis, and lower drift characteristics than that with oxide sensing membrane. The surface group of self-assembled monolayer...
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