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    • 8. 发明申请
    • PRINTED GAS SENSOR AND DIGITAL EXPIRY DATE THEREOF
    • 打印气体传感器和数字数据到期日
    • WO2015126306A1
    • 2015-08-27
    • PCT/SE2015/000010
    • 2015-02-24
    • INNOSCENTIA AB
    • OLSSON, Martin, Andreas
    • G01N31/22G01K3/04G01N33/02G06Q10/08G09G5/00
    • G01N31/229G01N27/127G01N31/223G01N33/0036G01N33/02G06F3/041G06F3/14G06F3/147G06Q10/0832G06Q10/087G06Q50/28G09G3/19G09G3/2003G09G2370/16G09G2380/04
    • The invention discloses a printed gas sensor comprising a metalloporphyrin dye, having a first and second mode, and a nanoporous carrier material comprising a plurality of particles with a size less than 5μιτι, said plurality of particles having a plurality of pores with a pore size in the range 5-50nm, wherein said metalloporphyrin dye is bound to said nanoporous carrier material. The invention further discloses a method of preparing a gas sensing composition for detection of food status as well as a digital expiry date device system. The digital expiry date device system comprises a packaging material having an inner surface and an outer surface; a first transponder disposed on said inner surface and a second transponder disposed on said outer surface; a sensor portion electrically connected to said first transponder for detecting food status and communicate said status to said second transponder, wherein said sensor portion comprises a metalloporphyrin dye to configure said sensor portion for an impedance change upon binding of a gaseous analyte to said metalloporphyrin dye; and a printed numerical array.
    • 本发明公开了一种印刷气体传感器,其包括具有第一和第二模式的金属卟啉染料和包含多个尺寸小于5微米的多个颗粒的纳米多孔载体材料,所述多个颗粒具有孔径大小的多个孔 其范围为5-50nm,其中所述金属卟啉染料与所述纳米多孔载体材料结合。 本发明还公开了一种制备用于检测食物状态的气体检测组合物的方法以及数字到期日装置系统。 数字到期日装置系统包括具有内表面和外表面的包装材料; 设置在所述内表面上的第一应答器和设置在所述外表面上的第二应答器; 传感器部分电连接到所述第一应答器,用于检测食物状态并将所述状态传送到所述第二应答器,其中所述传感器部分包括金属卟啉染料,以在气态分析物与所述金属卟啉染料结合时将所述传感器部分配置为阻抗变化; 和打印的数字数组。
    • 10. 发明申请
    • AN IMPROVED CHEMIRESISTOR SENSOR
    • 改进的CHEMIRESISTOR传感器
    • WO2014146171A1
    • 2014-09-25
    • PCT/AU2014/000295
    • 2014-03-19
    • COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION
    • RAGUSE, BurkhardCHOW, Edith
    • G01N27/12G01N27/04
    • G01N27/4146G01N27/04G01N27/127G01N27/128G01N33/54346G01N33/5438G01N33/54393
    • A sensor is provided for measuring the presence or amount of an ionic analyte in an electrolyte solution. The sensor comprises (i) two electrically conducting electrodes on an electrically insulating substrate, and separated by a distance L, where L is between 10 nm and 100 μm; (ii) a chemiresistor film, wherein the impedance of the chemiresistor film changes in the presence of an ionic analyte; and wherein the chemiresistor film is in contact with the electrodes; (iii) a gate electrode formed from an electrically conductive material; (iv) a potential generator means configured to apply an electrical potential difference between the gate electrode and the chemiresistor film; (v) a controller to selectively control the potential generator means to apply either a positive electric potential or a negative electric potential to the gate electrode relative to the potential of the chemiresistor film; and (vi) a voltage means adapted to apply a voltage signal between said pair of electrically conducting electrodes to enable measurement of the resistance of the chemiresistor film.
    • 提供了用于测量电解质溶液中离子分析物的存在或量的传感器。 传感器包括(i)电绝缘基板上的两个导电电极,并且间隔L,其中L在10nm和100μm之间; (ii)化学电阻膜,其中化学电阻膜的阻抗在离子分析物的存在下改变; 并且其中所述化学电阻膜与所述电极接触; (iii)由导电材料形成的栅电极; (iv)构成为在栅电极和化学电阻膜之间施加电位差的电位发生器装置; (v)控制器,用于选择性地控制所述电位发生器装置相对于所述化学电阻膜的电位向所述栅极施加正电位或负电位; 和(vi)适于在所述一对导电电极之间施加电压信号的电压装置,以测量化学电阻膜的电阻。