The overall goal of this protocol is to verify bioprobe immobilization and subsequent DNA biosensing on polysilicon nanowire field-effect transistors. This method can help answer important questions in the bioelectric sensing field, such as biopro
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We describe key steps for biosensing by using polysilicon nanowire field-effect transistors, including the preparation of the device and the immobilization and confirmation of a DNA molecular probe on the nanowire surface, as well as conditions for DNA sensing.