WO2003008928A3 - Sensor device and method for qualitative and quantitative analysis of gas phase substances - Google Patents

Sensor device and method for qualitative and quantitative analysis of gas phase substances Download PDF

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Publication number
WO2003008928A3
WO2003008928A3 PCT/US2002/021678 US0221678W WO03008928A3 WO 2003008928 A3 WO2003008928 A3 WO 2003008928A3 US 0221678 W US0221678 W US 0221678W WO 03008928 A3 WO03008928 A3 WO 03008928A3
Authority
WO
WIPO (PCT)
Prior art keywords
catalyst
qualitative
quantitative analysis
coated
gas phase
Prior art date
Application number
PCT/US2002/021678
Other languages
French (fr)
Other versions
WO2003008928A9 (en
WO2003008928A2 (en
Inventor
Michael L Horovitz
Karl F Anderson
Original Assignee
Sensor Tech Inc
Michael L Horovitz
Karl F Anderson
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sensor Tech Inc, Michael L Horovitz, Karl F Anderson filed Critical Sensor Tech Inc
Priority to EP02752230A priority Critical patent/EP1417483B1/en
Priority to JP2003514224A priority patent/JP2004536301A/en
Priority to AU2002355079A priority patent/AU2002355079C1/en
Priority to CA002453820A priority patent/CA2453820A1/en
Publication of WO2003008928A2 publication Critical patent/WO2003008928A2/en
Publication of WO2003008928A3 publication Critical patent/WO2003008928A3/en
Publication of WO2003008928A9 publication Critical patent/WO2003008928A9/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/122—Circuits particularly adapted therefor, e.g. linearising circuits
    • G01N27/123—Circuits particularly adapted therefor, e.g. linearising circuits for controlling the temperature
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • G01N27/16—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by burning or catalytic oxidation of surrounding material to be tested, e.g. of gas
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/28—Electrolytic cell components
    • G01N27/30—Electrodes, e.g. test electrodes; Half-cells
    • G01N27/327—Biochemical electrodes, e.g. electrical or mechanical details for in vitro measurements
    • G01N27/3271—Amperometric enzyme electrodes for analytes in body fluids, e.g. glucose in blood
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/497—Physical analysis of biological material of gaseous biological material, e.g. breath
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/11—Automated chemical analysis

Abstract

New sensors and methods for qualitative and quantitative analysis of multiple gaseous substances simultaneously with both high selectivity and high sensitivity are provided. The new sensors rely on a characteristic difference in energy between the interaction of a particular substance with a catalyst coated heat transfer device (HTD) (5) (figure 1A) and a non-catalyst coated (or one coated with a different catalyst) reference HTD (10) (figure 1B). Molecular detection is achieved by an exothermic or endothermic chemical or physical reaction between the catalytic surface of the sensor and the molecule, tending to induce a temperature change of the sensor. Both high temperature and non-destructive low temperature detection are possible. The magnitude and rate of endothermic or exothermic heat transfer from a specific molecule-catalyst interaction is related to molecular concentration.
PCT/US2002/021678 2001-07-16 2002-07-09 Sensor device and method for qualitative and quantitative analysis of gas phase substances WO2003008928A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP02752230A EP1417483B1 (en) 2001-07-16 2002-07-09 Sensor device and method for qualitative and quantitative analysis of gas phase substances
JP2003514224A JP2004536301A (en) 2001-07-16 2002-07-09 Sensor device and method for qualitative and quantitative analysis of gas phase materials
AU2002355079A AU2002355079C1 (en) 2001-07-16 2002-07-09 Sensor device and method for qualitative and quantitative analysis of gas phase substances
CA002453820A CA2453820A1 (en) 2001-07-16 2002-07-09 Sensor device and method for qualitative and quantitative analysis of gas phase substances

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US30519001P 2001-07-16 2001-07-16
US60/305,190 2001-07-16
US31712901P 2001-09-06 2001-09-06
US60/317,129 2001-09-06

Publications (3)

Publication Number Publication Date
WO2003008928A2 WO2003008928A2 (en) 2003-01-30
WO2003008928A3 true WO2003008928A3 (en) 2003-05-08
WO2003008928A9 WO2003008928A9 (en) 2004-03-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/021678 WO2003008928A2 (en) 2001-07-16 2002-07-09 Sensor device and method for qualitative and quantitative analysis of gas phase substances

Country Status (6)

Country Link
US (2) US7329389B2 (en)
EP (1) EP1417483B1 (en)
JP (2) JP2004536301A (en)
AU (1) AU2002355079C1 (en)
CA (1) CA2453820A1 (en)
WO (1) WO2003008928A2 (en)

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