Chemical sensor
    7.
    发明授权
    Chemical sensor 失效
    化学传感器

    公开(公告)号:US08030100B2

    公开(公告)日:2011-10-04

    申请号:US12412148

    申请日:2009-03-26

    摘要: The application relates to a chemical sensor device comprising a substrate (1), a sensor medium (3) formed on the substrate, the sensor medium comprising one-dimensional nanoparticles, wherein the one-dimensional nanoparticles essentially consist of a semiconducting AxBy compound, e.g. V2O5 and detection means (2) for detecting a change of a physical property of the sensor medium e.g. conductivity. The porosity of the sensor medium supports a fast access of the analyte to the sensing material and therefore a fast response of the sensor. The selectivity and sensitivity of the sensor can be tailored by doping the one-dimensional nanoscale material with different dopants or by varying the dopant concentration. Sensitivity of the sensor device to an analyte, preferably an amine, can be increased by increasing relative humidity of the sample to at least 5%.

    摘要翻译: 本申请涉及一种化学传感器装置,其包括基底(1),形成在基底上的传感器介质(3),所述传感器介质包括一维纳米颗粒,其中所述一维纳米颗粒基本上由半导体AxBy化合物组成。 V 2 O 5和用于检测传感器介质的物理特性变化的检测装置(2),例如 电导率。 传感器介质的孔隙度支持分析物快速进入感测材料,因此支持传感器的快速响应。 可以通过用不同掺杂剂掺杂一维纳米级材料或通过改变掺杂剂浓度来调整传感器的选择性和灵敏度。 可以通过将样品的相对湿度增加至至少5%来增加传感器装置对分析物,优选胺的敏感性。

    Nanoparticle/nanofiber based chemical sensor, arrays of such sensors, uses and method of fabrication thereof, and method of detecting an analyte
    9.
    发明申请
    Nanoparticle/nanofiber based chemical sensor, arrays of such sensors, uses and method of fabrication thereof, and method of detecting an analyte 审中-公开
    基于纳米颗粒/纳米纤维的化学传感器,这种传感器的阵列,其制造方法和方法以及检测分析物的方法

    公开(公告)号:US20070114138A1

    公开(公告)日:2007-05-24

    申请号:US11501742

    申请日:2006-08-10

    IPC分类号: G01N27/26

    CPC分类号: G01N27/127 G01N27/126

    摘要: The present invention relates to a nanoparticle/nanofiber based chemical sensor arrangement and arrays of such arrangements, to a method of fabrication thereof and to uses thereof, and furthermore relates to a method of detecting an analyte. In particular, the present invention relates to a chemical sensor arrangement having an enhanced selectivity or sensitivity, and it relates to a method of detecting an analyte at enhanced selectivity or sensitivity.

    摘要翻译: 本发明涉及基于纳米颗粒/纳米纤维的化学传感器装置和这种布置的阵列,涉及其制造方法及其用途,此外还涉及检测分析物的方法。 特别地,本发明涉及具有增强的选择性或灵敏度的化学传感器装置,并且涉及以增强的选择性或灵敏度检测分析物的方法。

    Chemical sensor
    10.
    发明授权
    Chemical sensor 失效
    化学传感器

    公开(公告)号:US07531136B2

    公开(公告)日:2009-05-12

    申请号:US11353378

    申请日:2006-02-14

    摘要: The application relates to a chemical sensor device comprising a substrate (1), a sensor medium (3) formed on the substrate, the sensor medium comprising one-dimensional nanoparticles, wherein the one-dimensional nanoparticles essentially consist of a semiconducting AxBy compound, e.g. V2O5 and detection means (2) for detecting a change of a physical property of the sensor medium e.g. conductivity. The porosity of the sensor medium supports a fast access of the analyte to the sensing material and therefore a fast response of the sensor. The selectivity and sensitivity of the sensor can be tailored by doping the one-dimensional nanoscale material with different dopants or by varying the dopant concentration. Sensitivity of the sensor device to an analyte, preferably an amine, can be increased by increasing relative humidity of the sample to at least 5%.

    摘要翻译: 本申请涉及一种化学传感器装置,其包括基底(1),形成在基底上的传感器介质(3),所述传感器介质包括一维纳米颗粒,其中所述一维纳米颗粒基本上由半导体AxBy化合物组成。 V 2 O 5和用于检测传感器介质的物理特性变化的检测装置(2),例如 电导率。 传感器介质的孔隙度支持分析物快速进入感测材料,因此支持传感器的快速响应。 可以通过用不同掺杂剂掺杂一维纳米级材料或通过改变掺杂剂浓度来调整传感器的选择性和灵敏度。 可以通过将样品的相对湿度增加至至少5%来增加传感器装置对分析物,优选胺的敏感性。