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:
Sep. 16, 2025

Filed:

Apr. 29, 2020
Applicant:

Queen's University AT Kingston, Kingston, CA;

Inventors:

Joshua Raveendran, Timmins, CA;

Hannah Bacon, Toronto, CA;

Carlos Escobedo, Kingston, CA;

Aristides Docoslis, Kingston, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/65 (2006.01); A61B 5/1468 (2006.01); B82Y 15/00 (2011.01);
U.S. Cl.
CPC ...
G01N 21/658 (2013.01); A61B 5/1468 (2013.01); A61B 2562/028 (2013.01); A61B 2562/0285 (2013.01); A61B 2562/125 (2013.01); B82Y 15/00 (2013.01);
Abstract

A sensor element comprises a metallic nanostructure formed at edges of at least two microelectrodes on a non-electrically conductive substrate. The nanostructure is formed by depositing a solution comprising at least one metal salt and a stabilizing agent on the substrate at a detection site between the microelectrodes, and applying an AC electric field to the electrodes. The sensor elements may be used in sensing platforms such as surface-enhanced Raman scattering (SERS), surface plasmon resonance (SPR), localized surface plasmon resonance (LSPR), and in electrical-based sensing such as electrochemical sensing.


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