WO2002003047A3 - Method and apparatus for the detection of volatile products in a sample - Google Patents

Method and apparatus for the detection of volatile products in a sample Download PDF

Info

Publication number
WO2002003047A3
WO2002003047A3 PCT/US2001/021031 US0121031W WO0203047A3 WO 2002003047 A3 WO2002003047 A3 WO 2002003047A3 US 0121031 W US0121031 W US 0121031W WO 0203047 A3 WO0203047 A3 WO 0203047A3
Authority
WO
WIPO (PCT)
Prior art keywords
volatile products
sample
detection
microorganisms
spectral
Prior art date
Application number
PCT/US2001/021031
Other languages
French (fr)
Other versions
WO2002003047A2 (en
Inventor
Evangelyn C Alocilja
Steve A Marquie
Cynthia Meeusen
Spring M Younts
Daniel L Grooms
Original Assignee
Univ Michigan State
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 Univ Michigan State filed Critical Univ Michigan State
Priority to AU2001271760A priority Critical patent/AU2001271760A1/en
Publication of WO2002003047A2 publication Critical patent/WO2002003047A2/en
Publication of WO2002003047A3 publication Critical patent/WO2002003047A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • 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
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
    • G01N33/0034—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array comprising neural networks or related mathematical techniques
    • 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
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—Specially adapted to detect a particular component
    • G01N33/0047—Specially adapted to detect a particular component for organic compounds
    • 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
    • G01N33/02—Food

Abstract

A method and apparatus is provided for detection of volatile products from a sample using a transducer which changes voltage as a function of contact of the volatile products with the transducer to produce a gas signature of the volatile products and a spectrophotometer to analyze the volatile products to produce a spectral footprint of the volatile products. The apparatus and method are used to detect spoilage of a biological material, such as food. The apparatus is also used to detect microorganisms contaminating a food product or environmental sample and by comparing the gas signature and spectral footprint to a library of gas signatures and spectral footprints, the apparatus enables identification of the microorganisms and in particular identification of pathogenic microorganisms.
PCT/US2001/021031 2000-07-03 2001-07-02 Method and apparatus for the detection of volatile products in a sample WO2002003047A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001271760A AU2001271760A1 (en) 2000-07-03 2001-07-02 Method and apparatus for the detection of volatile products in a sample

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21592400P 2000-07-03 2000-07-03
US60/215,924 2000-07-03

Publications (2)

Publication Number Publication Date
WO2002003047A2 WO2002003047A2 (en) 2002-01-10
WO2002003047A3 true WO2002003047A3 (en) 2002-05-30

Family

ID=22804955

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/021031 WO2002003047A2 (en) 2000-07-03 2001-07-02 Method and apparatus for the detection of volatile products in a sample

Country Status (2)

Country Link
AU (1) AU2001271760A1 (en)
WO (1) WO2002003047A2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0025248D0 (en) * 2000-10-13 2000-11-29 Holset Engineering Co A turbine
CN104730140B (en) * 2013-07-30 2018-02-02 中国标准化研究院 A kind of parameter optimization method in electronic nose detection honey
CN103399046B (en) * 2013-08-09 2016-04-13 中国农业科学院农产品加工研究所 A kind of method of the auxiliary discriminating pears place of production
CN104849321B (en) * 2015-05-06 2017-10-20 浙江大学 A kind of method based on smell finger-print quick detection Quality Parameters in Orange
FR3050270B1 (en) * 2016-04-15 2018-04-27 Ethera SYSTEM FOR MONITORING AIR QUALITY IN A CLOSED ENVIRONMENT
CN108195895B (en) * 2017-12-26 2020-04-24 山东农业大学 Tea tree leaf nitrogen content rapid detection method based on electronic nose and spectrocolorimeter
CN109187861A (en) * 2018-08-31 2019-01-11 苏州出入境检验检疫局检验检疫综合技术中心 A kind of pork freshness detection method based on carrier gas type electronic nose
CN109631790B (en) * 2019-01-09 2020-11-13 中国科学院新疆天文台 Antenna subreflector supporting leg deformation online measuring device and measuring method
CN110441267A (en) * 2019-08-09 2019-11-12 张建会 A kind of food composition component spectrum detection device of food quality detection

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5479815A (en) * 1994-02-24 1996-01-02 Kraft Foods, Inc. Method and apparatus for measuring volatiles released from food products
US5807701A (en) * 1994-06-09 1998-09-15 Aromascan Plc Method and apparatus for detecting microorganisms
US6244096B1 (en) * 1998-06-19 2001-06-12 California Institute Of Technology Trace level detection of analytes using artificial olfactometry

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5479815A (en) * 1994-02-24 1996-01-02 Kraft Foods, Inc. Method and apparatus for measuring volatiles released from food products
US5807701A (en) * 1994-06-09 1998-09-15 Aromascan Plc Method and apparatus for detecting microorganisms
US6244096B1 (en) * 1998-06-19 2001-06-12 California Institute Of Technology Trace level detection of analytes using artificial olfactometry

Also Published As

Publication number Publication date
WO2002003047A2 (en) 2002-01-10
AU2001271760A1 (en) 2002-01-14

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