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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Format | Patent |
Language | English 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. |
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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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SubjectTerms | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
Title | System and method for detection of an analyte in a gaseous sample |
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