System and method for detection of an analyte in a gaseous sample

The system i.e. detector (1), has a porous material layer (30) formed at a surface (21) of transparent or translucent substrate (20) so as to longitudinally extend along a fluid flow path of gas sample, where the layer contains a set of probe molecules (31). A generation unit (41) generates flow of...

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Main Authors PLANATRETIEN, ANNE, DESCAMPS, MICHAEL, VIGNOUD, SEVERINE, PERRAUT, FRANCOIS, SCHULTZ, EMMANUELLE
Format Patent
LanguageEnglish
French
German
Published 29.02.2012
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Abstract The system i.e. detector (1), has a porous material layer (30) formed at a surface (21) of transparent or translucent substrate (20) so as to longitudinally extend along a fluid flow path of gas sample, where the layer contains a set of probe molecules (31). A generation unit (41) generates flow of gas sample along the flow path, so that the gaseous sample contacts the porous material layer. An optical detection device (50) successively detects modification of spectral properties of one of the probe-molecules at distinct detection zones of the layer distributed along the path. The layer is made of micro porous or sol-gel nanoporous material of metal oxides or polymer. Independent claims are also included for the following: (1) a method for production of a detection system of analytes in a gas sample (2) a method for detecting analytes of interest present in a gas sample. L'invention porte sur un système de détection (1) d'analytes d'intérêt présents dans un échantillon gaz. Le système de détection comprend une couche (30) d'un matériau poreux disposé le long du chemin fluidique d'écoulement du gaz, le matériau contenant des molécules-sonde aptes à réagir avec l'analyte d'intérêt. Le système de détection comprend également un dispositif optique (50) apte à détecter successivement une modification des propriétés spectrales des molécules-sonde au niveau de différentes zones de détection (32) de la couche (30) de matériau poreux.
AbstractList The system i.e. detector (1), has a porous material layer (30) formed at a surface (21) of transparent or translucent substrate (20) so as to longitudinally extend along a fluid flow path of gas sample, where the layer contains a set of probe molecules (31). A generation unit (41) generates flow of gas sample along the flow path, so that the gaseous sample contacts the porous material layer. An optical detection device (50) successively detects modification of spectral properties of one of the probe-molecules at distinct detection zones of the layer distributed along the path. The layer is made of micro porous or sol-gel nanoporous material of metal oxides or polymer. Independent claims are also included for the following: (1) a method for production of a detection system of analytes in a gas sample (2) a method for detecting analytes of interest present in a gas sample. L'invention porte sur un système de détection (1) d'analytes d'intérêt présents dans un échantillon gaz. Le système de détection comprend une couche (30) d'un matériau poreux disposé le long du chemin fluidique d'écoulement du gaz, le matériau contenant des molécules-sonde aptes à réagir avec l'analyte d'intérêt. Le système de détection comprend également un dispositif optique (50) apte à détecter successivement une modification des propriétés spectrales des molécules-sonde au niveau de différentes zones de détection (32) de la couche (30) de matériau poreux.
Author DESCAMPS, MICHAEL
VIGNOUD, SEVERINE
PERRAUT, FRANCOIS
PLANATRETIEN, ANNE
SCHULTZ, EMMANUELLE
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DocumentTitleAlternate Vorrichtung und Verfahren zur Detektion eines Analyten in einer gasförmigen Probe
Système et procédé de détection d'analytes présents dans un échantillon gazeux
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Snippet The system i.e. detector (1), has a porous material layer (30) formed at a surface (21) of transparent or translucent substrate (20) so as to longitudinally...
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MEASURING
PHYSICS
TESTING
Title System and method for detection of an analyte in a gaseous sample
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