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Title: Wireless sensor

Disclosed is a sensor for detecting a target material. The sensor includes a ferromagnetic metal and a molecular recognition reagent coupled to the ferromagnetic metal. The molecular recognition reagent is operable to expand upon exposure to vapor or liquid from the target material such that the molecular recognition reagent changes a tensile stress upon the ferromagnetic metal. The target material is detected based on changes in the magnetic switching characteristics of the ferromagnetic metal caused by the changes in the tensile stress.
Inventors:
; ; ;
Issue Date:
OSTI Identifier:
1237857
Assignee:
Consolidated Nuclear Security, LLC, University of Tennessee Research Foundation NNSASC
Patent Number(s):
9,255,920
Application Number:
14/493,811
Contract Number:
NA0001942
Resource Relation:
Patent File Date: 2014 Sep 23
Research Org:
Consolidated Nuclear Security, LLC, Reston, VA (United States) University of Tennessee Research Foundation, Knoxville, TN (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 47 OTHER INSTRUMENTATION

Other works cited in this record:

Stress-Induced Chemical Detection Using Flexible Metal−Organic Frameworks
journal, November 2008
  • Allendorf, Mark D.; Houk, Ronald J. T.; Andruszkiewicz, Leanne
  • Journal of the American Chemical Society, Vol. 130, Issue 44, p. 14404-14405
  • DOI: 10.1021/ja805235k

Amorphous glass-covered magnetic wires: Preparation, properties, applications
journal, January 1996

A quantitative assessment of chemical techniques for detecting traces of explosives at counter-terrorist portals
journal, May 2004

Magnetic properties of glass-coated amorphous and nanocrystalline microwires
journal, July 1996

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