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:
Feb. 22, 2022

Filed:

Mar. 21, 2017
Applicant:

Conductive Technologies, Inc., York, PA (US);

Inventors:

Matthew K. Musho, York, PA (US);

Christina A. Beaverson, York, PA (US);

Nicholas F. Szabo, York, PA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/327 (2006.01); G01N 33/15 (2006.01); G01N 33/00 (2006.01);
U.S. Cl.
CPC ...
G01N 33/15 (2013.01); G01N 27/3272 (2013.01); G01N 27/3274 (2013.01); G01N 33/00 (2013.01);
Abstract

Test sensors, methods, and systems are described that include a first electrode pair having either two active electrodes or an inactive working electrode paired with an active counter electrode. These active electrodes are different than having an electron transfer mediator on an inactive electrode because in addition to the structural differences between an electrode directly in contact with the conductors of the test sensor verses a reagent coating, there are chemical and functional differences. The active electrodes are formed from an electrode core material including an element that loses or acquires electrons during the analysis and directly participates in the electrochemical reaction of the sample. As the active electrodes are insoluble in the sample during the analysis, an electrochemically stable potential is provided by the active electrodes that can reliably operate at higher operating potentials than conventional electron transfer mediator reagents coated on an inactive electrode.


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