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    • 7. 发明授权
    • Selective filtration and concentration of toxic nerve agents
    • 选择性过滤和浓度有毒的神经毒素
    • US06610125B2
    • 2003-08-26
    • US10001664
    • 2001-10-23
    • Carl P. TrippSofian M. Kanan
    • Carl P. TrippSofian M. Kanan
    • B01D5304
    • G01N1/405B01D53/04B01D2253/106B01D2253/112B01D2259/40088G01N1/22G01N1/40G01N30/02B01D15/422
    • Methods of increasing the relative concentration of a target molecule in a gas stream, so that it can be more easily detected by a semiconducting metal oxide based sensor. A gas stream is passed through an adsorbent, the stream containing molecules of the target molecule in a mixture containing molecules of at least one non-target molecule. Both the target and non-target molecules are adsorbed on the adsorbent. Another gas stream containing molecules of a chemical displacer is passed through the adsorbent, the molecules of the chemical displacer adsorbing on the adsorbent to selectively displace the target molecules from the adsorbent while leaving the non-target molecules adsorbed. The chemical displacement causes the displaced target molecules to enter the gas stream. The gas stream can then be passed through a semiconducting metal oxide based sensor to detect the target molecules.
    • 增加气流中靶分子的相对浓度的方法,以便可以通过基于半导体金属氧化物的传感器更容易地检测。 气流通过吸附剂,该流在含有至少一个非靶分子的分子的混合物中含有靶分子的分子。 目标和非目标分子都吸附在吸附剂上。 含有化学置换剂分子的另一气流通过吸附剂,吸附在吸附剂上的化学置换剂的分子选择性地将吸附剂上的目标分子置换,同时吸附非目标分子。 化学位移导致位移的目标分子进入气流。 然后可以将气流通过基于半导体金属氧化物的传感器以检测目标分子。
    • 10. 发明授权
    • Detection system for detecting an analyte in a fluid medium
    • 用于检测流体介质中的分析物的检测系统
    • US07772556B2
    • 2010-08-10
    • US11985107
    • 2007-11-14
    • C. V. Gopal ReddyCarl P. Tripp
    • C. V. Gopal ReddyCarl P. Tripp
    • G01J5/02G01N21/62
    • G01N21/77G01N21/3504G01N21/3577
    • This invention relates to a detection system for detecting an analyte in a fluid medium. The detection system comprises a substrate that provides mechanical stability and is sized and shaped to intercept an infrared beam. A reactive material is coated on the substrate. When contacted with the analyte in the fluid medium, the reactive material reacts with the analyte and is altered. The detection system also comprises an infrared spectrometer producing the infrared beam that passes through the reactive material to a detector of the spectrometer. The alteration of the reactive material allows the spectrometer to identify and quantify the analyte. In one embodiment, the reactive material irreversibly reacts with the analyte. In another embodiment, the spectrometer is a non-ATR infrared spectrometer. In a further embodiment, the substrate is a disposable substrate.
    • 本发明涉及一种用于检测流体介质中的分析物的检测系统。 检测系统包括提供机械稳定性并且尺寸和形状以拦截红外光束的基板。 反应性材料涂覆在基材上。 当与流体介质中的分析物接触时,反应性物质与分析物反应并改变。 该检测系统还包括一个产生红外光束的红外光谱仪,该红外光束将反应性物质通过光谱仪的检测器。 反应性材料的改变允许光谱仪识别和定量分析物。 在一个实施方案中,反应物质与分析物不可逆地反应。 在另一个实施方案中,光谱仪是非ATR红外光谱仪。 在另一个实施例中,基底是一次性基底。