A new approach towards the Debye length challenge for specific and label-free biological sensing based on field-effect transistors
Ie Mei Bhattacharyya, Izhar Ron, Ankit Chauhan, Evgeny Pikhay, Doron Greental, Niv Mizrahi, Yakov Roizin, Gil Shalev
Abstract
A Meta-Nano Channel BioFET is demonstrated to decouple the electrostatics of the solution from the electrodynamics of the FET such that the Debye screening length can be electrostatically tuned to enhance the sensor output signal.
Topics & Concepts
Debye lengthMaterials scienceDouble layer (biology)OptoelectronicsTransistorPopulationNanotechnologyField-effect transistorElectronic engineeringVoltageLayer (electronics)Electrical engineeringIonChemistryEngineeringDemographySociologyOrganic chemistryAnalytical Chemistry and SensorsElectrochemical Analysis and ApplicationsNanowire Synthesis and Applications