The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 22, 2024

Filed:

Feb. 20, 2020
Applicant:

Osaka University, Osaka, JP;

Inventors:

Masateru Taniguchi, Osaka, JP;

Takahito Ohshiro, Osaka, JP;

Masakazu Sanada, Kyoto, JP;

Tadashi Miyagi, Kyoto, JP;

Assignee:

OSAKA UNIVERSITY, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/49 (2006.01); G01N 27/327 (2006.01); G01N 33/487 (2006.01);
U.S. Cl.
CPC ...
G01N 27/49 (2013.01); G01N 33/48721 (2013.01);
Abstract

A current measurement method for measuring a tunneling current in biopolymers passing through between a pair of electrodes includes arranging the electrodes in a liquid that contains an electrolyte and, while applying a voltage between the electrodes, measuring a current flowing between the electrodes via an electric double layer formed along surfaces of the electrodes. This enables measuring the current in consideration of the electric double layer. As a result, it is possible to more accurately measure the tunneling current in the biopolymers included in a liquid sample that contains an electrolyte.


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