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:
Apr. 22, 2014

Filed:

May. 31, 2012
Applicants:

Allen J. Bard, Austin, TX (US);

Chong-yang Liu, Austin, TX (US);

Inventors:

Allen J. Bard, Austin, TX (US);

Chong-Yang Liu, Austin, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/26 (2006.01); G01N 21/00 (2006.01); G01N 21/76 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method is provided for determining the presence or amount of an analyte in a sample and includes the steps of contacting a faradaic working electrode to a solution comprising the optionally pre-processed sample and an electrolyte, contacting a capacitive counter electrode to the solution, supplying electrical energy between the faradaic working electrode and the capacitive counter electrode sufficient to provide for faradaic charge transfer at the faradaic working electrode, and measuring at least one of (i) light, (ii) current, (iii) voltage, and (iv) charge to determine the presence or amount of the analyte in the sample.


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