FIELD: physics.
SUBSTANCE: device comprises: a substrate, an insulating layer disposed on the substrate, a plurality of individually addressed nanowires arranged on the said electrically insulating layer, each nanowire of the said plurality of nanowires covered with an insulating material, a plurality of nanowires configured to detect the presence of a substance in the fluid sample by measuring the electrical characteristic of the nanowire of the plurality of nanowires, each said nanowire has a length, a width, and a thickness, a sample compartment for containing the said fluid sample, the said sample compartment being arranged to cover, at least, a portion of each nanowire from the said plurality of nanowires, the said length, the said width, and the said thickness of the respective nanowires being dimensioned to form different ranges of the substance detection.
EFFECT: increasing the efficiency.
19 cl, 4 dwg
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