Sensor for detecting and differentiating chemical analytes

Title: Sensor for detecting and differentiating chemical analytes

Abstract

A sensor for detecting and differentiating chemical analytes includes a microscale body having a first end and a second end and a surface between the ends for adsorbing a chemical analyte. The surface includes at least one conductive heating track for heating the chemical analyte and also a conductive response track, which is electrically isolated from the heating track, for producing a thermal response signal from the chemical analyte. The heating track is electrically connected with a voltage source and the response track is electrically connected with a signal recorder. The microscale body is restrained at the first end and the second end and is substantially isolated from its surroundings therebetween, thus having a bridge configuration.

Inventors:

Yi, Dechang ^[1]; Senesac, Lawrence R ^[2]; Thundat, Thomas G ^[2]

Metuchen, NJ
Knoxville, TN

Issue Date:: 2011-07-05

Research Org.:: UT-Battelle LLC/ORNL, Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1019567

Patent Number(s):: 7972865

Application Number:: US Patent Application 12/198,580

Assignee:: UT-Battelle, LLC (Oak Ridge, TN)

Patent Classifications (CPCs):: G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

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G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N27/18 - caused by changes in the thermal conductivity of a surrounding material to be tested

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DOE Contract Number:: AC05-00OR22725

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 47 OTHER INSTRUMENTATION

Citation Formats


                    Yi, Dechang, Senesac, Lawrence R, and Thundat, Thomas G. Sensor for detecting and differentiating chemical analytes.  United States: N. p., 2011. 
        Web.

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                    Yi, Dechang, Senesac, Lawrence R, & Thundat, Thomas G. Sensor for detecting and differentiating chemical analytes.  United States.

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                    Yi, Dechang, Senesac, Lawrence R, and Thundat, Thomas G. Tue .  
        "Sensor for detecting and differentiating chemical analytes".  United States.  https://www.osti.gov/servlets/purl/1019567.

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@article{osti_1019567,

  title        = {Sensor for detecting and differentiating chemical analytes},

  author       = {Yi, Dechang and Senesac, Lawrence R and Thundat, Thomas G},

  abstractNote = {A sensor for detecting and differentiating chemical analytes includes a microscale body having a first end and a second end and a surface between the ends for adsorbing a chemical analyte. The surface includes at least one conductive heating track for heating the chemical analyte and also a conductive response track, which is electrically isolated from the heating track, for producing a thermal response signal from the chemical analyte. The heating track is electrically connected with a voltage source and the response track is electrically connected with a signal recorder. The microscale body is restrained at the first end and the second end and is substantially isolated from its surroundings therebetween, thus having a bridge configuration.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2011},

  month        = {7}

}

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Similar Records

Title: Sensor for detecting and differentiating chemical analytes

Abstract

Citation Formats

COUNTERTERRORISM: Making the World a Safer Place journal, February 2003

Experimental and Theoretical Demonstration of the Interfacial Interaction Potential Between an Adsorbed Film and a Smooth Substrate journal, January 2000

Detection of trinitrotoluene via deflagration on a microcantilever journal, May 2004

Electronic Noses: Wake Up and Smell the Coffee. journal, February 2005

Rational materials design of sorbent coatings for explosives: applications with chemical sensors journal, May 2001

Analyte species and concentration identification using differentially functionalized microcantilever arrays and artificial neural networks journal, February 2006

A microsensor for trinitrotoluene vapour journal, October 2003

Gas phase detection of explosives such as 2,4,6-trinitrotoluene by molecularly imprinted polymers journal, May 2007

Portable remote Raman system for monitoring hydrocarbon, gas hydrates and explosives in the environment journal, August 2005

Limits of Recognition for Simple Vapor Mixtures Determined with a Microsensor Array journal, April 2004

Adsorption of Trinitrotoluene on Uncoated Silicon Microcantilever Surfaces journal, March 2004

Explosives Detection for Aviation Security journal, March 1992

Screening people for illicit substances: a survey of current portal technology journal, May 2001

Detection of plastic explosives in luggage with14N nuclear quadrupole resonance spectroscopy journal, July 2000

Response Signatures for Nanostructured, Optically-Probed, Functionalized Microcantilever Sensing Arrays journal, September 2004

Sensitive detection of plastic explosives with self-assembled monolayer-coated microcantilevers journal, August 2003

Portable Gas Chromatograph with Tunable Retention and Sensor Array Detection for Determination of Complex Vapor Mixtures journal, March 2003

Peer Reviewed: Detection of Explosives by Electronic Noses journal, March 2003

Electrical, Thermal, and Mechanical Characterization of Silicon Microcantilever Heaters journal, December 2006

COUNTERTERRORISM: Making the World a Safer Place
journal, February 2003

Experimental and Theoretical Demonstration of the Interfacial Interaction Potential Between an Adsorbed Film and a Smooth Substrate
journal, January 2000

Detection of trinitrotoluene via deflagration on a microcantilever
journal, May 2004

Electronic Noses: Wake Up and Smell the Coffee.
journal, February 2005

Rational materials design of sorbent coatings for explosives: applications with chemical sensors
journal, May 2001

Analyte species and concentration identification using differentially functionalized microcantilever arrays and artificial neural networks
journal, February 2006

A microsensor for trinitrotoluene vapour
journal, October 2003

Gas phase detection of explosives such as 2,4,6-trinitrotoluene by molecularly imprinted polymers
journal, May 2007

Portable remote Raman system for monitoring hydrocarbon, gas hydrates and explosives in the environment
journal, August 2005

Limits of Recognition for Simple Vapor Mixtures Determined with a Microsensor Array
journal, April 2004

Adsorption of Trinitrotoluene on Uncoated Silicon Microcantilever Surfaces
journal, March 2004

Explosives Detection for Aviation Security
journal, March 1992

Screening people for illicit substances: a survey of current portal technology
journal, May 2001

Detection of plastic explosives in luggage with14N nuclear quadrupole resonance spectroscopy
journal, July 2000

Response Signatures for Nanostructured, Optically-Probed, Functionalized Microcantilever Sensing Arrays
journal, September 2004

Sensitive detection of plastic explosives with self-assembled monolayer-coated microcantilevers
journal, August 2003

Portable Gas Chromatograph with Tunable Retention and Sensor Array Detection for Determination of Complex Vapor Mixtures
journal, March 2003

Peer Reviewed: Detection of Explosives by Electronic Noses
journal, March 2003

Electrical, Thermal, and Mechanical Characterization of Silicon Microcantilever Heaters
journal, December 2006