公开(公告)号：US20190353636A1

公开(公告)日：2019-11-21

申请号：US16476860

申请日：2017-01-10

Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATION

Inventor： Kazuma MATSUI ,  Yusuke GOTO ,  Rena AKAHORI ,  Takahide YOKOI ,  Michiru FUJIOKA

IPC: G01N33/487 ,  G01N27/447

Abstract: Provided are a first tank; a second tank; a thin film having a nanopore, which communicates the first tank to the second tank, and disposed between the first and second tanks; a first electrode provided in the first tank; and a second electrode provided in the second tank. A wall surface of the nanopore has an ion adsorption preventing structure to prevent desorption/adsorption of an ion contained in a solution filling the first tank and/or the second tank, and a voltage is applied between the first and second electrodes to measure an ion current flowing through the nanopore.