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

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

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 produ...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GROOMS DANIEL L, MARQUIE STEVE A, MEEUSEN CYNTHIA, YOUNTS SPRING M, ALOCILJA EVANGELYN C
Format: Patent
Sprache:eng
Schlagworte:
APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY
BEER
BIOCHEMISTRY
CHEMISTRY
ENZYMOLOGY
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
METALLURGY
MICROBIOLOGY
MUTATION OR GENETIC ENGINEERING
PHYSICS
SPIRITS
TESTING
VINEGAR
WINE
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Beschreibung
Zusammenfassung: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 a food. The apparatus is also used to detect microorganisms 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.