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    • 4. 发明申请
    • METHOD FOR CLASSIFYING THE PRESENCE OR ABSENCE OF A MICROORGANISM IN A BIOLOGICAL MEDIUM
    • 分类生物介质中MICROORGANISM的存在或不存在的方法
    • WO2013001465A3
    • 2013-03-28
    • PCT/IB2012053249
    • 2012-06-27
    • COMMISSARIAT ENERGIE ATOMIQUECENTRE NAT RECH SCIENTMARCOUX PIERREDUPOY MATHIEUGUILLEMOT LAURE-HELENETRAN-THI THU-HOA
    • MARCOUX PIERREDUPOY MATHIEUGUILLEMOT LAURE-HELENETRAN-THI THU-HOA
    • C12Q1/04
    • C12Q1/18C12Q1/04C12Q2334/10C12Q2334/30
    • The present invention relates to a method for determining the presence or absence of a microorganism, said method including the steps of: 1) providing an enclosure containing a liquid or semi-solid phase consisting of a biological medium capable of containing a living form of said microorganism, nutritional elements, and an enzymatic substrate which is specific to said microorganism and which can be metabolised into at least one VOC metabolite, and a gaseous phase adjacent to said liquid or semi-solid phase; 2) exposing at least said liquid or semi-solid phase to conditions that are propitious for said microorganism to metabolise said enzymatic substrate into a molecule of said VOC metabolite; and 3) determining, by optical transduction, the presence or absence of said VOC metabolite, characterised in that the latter interacts with a nanoporous matrix, said matrix being implemented in a form that is separate from said enzymatic substrate, and in that the detection, by optical transduction, of a change in the optical properties of said matrix indicates an interaction of said matrix with said metabolite.
    • 本发明涉及一种用于确定微生物存在或不存在的方法,所述方法包括以下步骤:1)提供包含液体或半固体相的外壳,所述液体或半固相由能够容纳所述 微生物,营养元素和对所述微生物特异性并且可以代谢成至少一种VOC代谢物的酶底物和与所述液体或半固体相邻近的气相; 2)将至少所述液体或半固体相暴露于有利于所述微生物将所述酶底物代谢成所述VOC代谢物分子的条件; 3)通过光学转导来确定所述VOC代谢物的存在或不存在,其特征在于后者与纳米多孔基质相互作用,所述基质以与所述酶底物分开的形式实施,并且所述检测, 通过光学转导,所述基质的光学性质的变化表示所述基质与所述代谢物的相互作用。
    • 10. 发明申请
    • PROCESS FOR DETECTING GASEOUS HALOGENATED COMPOUNDS
    • 用于检测气态卤代化合物的方法
    • WO2008148987A3
    • 2009-07-30
    • PCT/FR2008050783
    • 2008-05-02
    • COMMISSARIAT ENERGIE ATOMIQUETRAN-THI THU-HOABANET PHILIPPELEGAGNEUX LOIC
    • TRAN-THI THU-HOABANET PHILIPPELEGAGNEUX LOIC
    • G01N31/22G01N21/77
    • G01N31/224G01N21/77G01N21/783G01N33/0052G01N2021/7773G01N2021/7786Y10T436/11Y10T436/19
    • Process for detecting a gaseous compound of BX3, HX or X2 type within a gas using a composition containing a probe molecule, characterized in that the probe molecule is a molecule for which the reaction with one or more compounds of BX3, HX or X2 type leads to a variation of at least one of its physicochemical properties, this variation being measurable via a suitable analysis technique, and in that the following steps are carried out in this order: (a) measurement of said physicochemical property of the probe molecule, such as a spectral property, (b) bringing the gas into contact with the composition containing the probe molecule from step (a), (c) repeat measurement of said physicochemical property, (d) correlation of the variation of said spectral property between steps (a) and (c) in the presence of said gaseous compound of BX3, HX or X2 type, wherein the measurement of the physicochemical property from step (a) is possibly a prior step, process for trapping gaseous compounds of BX3, HX or X2 type contained in a gas, material capable of reacting with at least one compound of BX3, HX or X2 type in gaseous form and sensor for compounds of BX3, HX or X2 type.
    • 使用含有探针分子的组合物检测气体内的BX3,HX或X2型气态化合物的方法,其特征在于,所述探针分子是与一种或多种BX3,HX或X2型化合物反应引发的分子 对于其物理化学性质中的至少一种的变化,该变化可通过合适的分析技术测量,并且以下步骤按以下顺序进行:(a)测量探针分子的所述物理化学性质,例如 光谱性质,(b)使气体与含有来自步骤(a)的探针分子的组合物接触,(c)重复测量所述物理化学性质,(d)步骤之间所述光谱性质的变化(a )和(c)在所述BX3,HX或X2型气态化合物的存在下,其中步骤(a)的物理化学性质的测量可能是先前的步骤,用于捕获B的气态化合物 可以与气体形式的至少一种BX3,HX或X2型化合物反应的材料中含有的X3,HX或X2型,以及用于BX3,HX或X2型化合物的传感器。