TARGET SUBSTANCE DETECTION METHOD USING FET BIOSENSOR

WIPO Patent Application WO/2016/111237

A1

The present invention provides a detection method using an FET biosensor in order to obtain electrical signal information at lower current, with higher sensitivity, and at a lower cost. The present invention is a target substance detection method using an FET biosensor. The method comprises: a step for setting, for a reference electrode, a source electrode, and a drain electrode, respective potentials that do not generate current between the source electrode and the drain electrode; a step for setting, for the source electrode and the drain electrode, respective potentials that generate current between the source electrode and the drain electrode; a step for setting a terminal of the source electrode to a high impedance; a step for measuring the source potential at a predetermined detection timing, in a source potential relaxing process; a step for calculating a detection voltage from the difference between the source potential measured in a reaction state and the source potential measured in a non-reaction state; and a step for using the detection voltage as a detection signal, for detection of a target substance.

SHIRASAKI TOMOYUKI (JP)
OGURA JUN (JP)

PCT/JP2016/000008

July 14, 2016

January 04, 2016

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TOPPAN PRINTING CO LTD (JP)

G01N27/414

JPS62232556A	1987-10-13
JP2013092480A	2013-05-16
JP2011220803A	2011-11-04

TANI & ABE, p. c. (JP)
Patent business corporation A valley and Abe patent firm (JP)

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