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.
Patent No.:
Date of Patent:
Oct. 17, 2023
Filed:
Apr. 12, 2021
The Government of the United States of America, As Represented BY the Secretary of the Navy, Arlington, VA (US);
Evgeniya H. Lock, Annandale, VA (US);
F. Keith Perkins, Alexandria, VA (US);
Anthony K. Boyd, Arlington, VA (US);
Rachael L. Myers-Ward, Springfield, VA (US);
David Kurt Gaskill, Alexandria, VA (US);
Anindya Nath, Fairfax, VA (US);
Abstract
A sensitive and selective, in-line method to measure and validate the sulfur content at ppb levels in both the liquid and gas phase of an analyte. The method includes patterning graphene, for example to form a mesa structure comprising horizontal or vertical lines or an array of multidentate star features; functionalizing the patterned graphene and attaching nanoparticles to the functionalized graphene to form a device; exposing the device to an analyte in the gas or liquid phase; detecting a change in electrical response when sulfur is present in the analyte; and recovering the device for future use. Also disclosed is the related sulfur detector.