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    • 7. 发明申请
    • GAS SENSOR NANOCOMPOSITE MEMBRANES
    • 气体传感器纳米复合膜
    • WO2016033638A1
    • 2016-03-10
    • PCT/AU2015/000540
    • 2015-09-02
    • ROYAL MELBOURNE INSTITUTE OF TECHNOLOGY
    • KALANTAR-ZADEH, KouroshBEREAN, KyleHA, NamOU, Jian Zhen
    • G01N27/407B01D53/22
    • G01N27/407A61B5/01A61B5/073A61B5/14539A61B5/14542A61B5/42A61B5/6861A61B2562/0247B01D53/22B01D69/141B82Y30/00C01B31/0206C01G3/02C01G45/02C01G49/02C08F38/02C08G64/00C08G77/20G01N27/40
    • A gas permeable, liquid impermeable membrane for use with gas sensors in which the membrane consists of a film forming polymer which incorporates one or more nanoparticles selected to improve one or more of the following the permeability to gases, to selectively impede or exclude permeation by some gases while facilitating the passage of selected gases through the membrane, to inhibit microbial growth on the membrane. The membranes are useful in capsules adapted to be introduced into the stomach and Gl tract of a mammal which consists of a capsule shaped container consisting of a wall material capable of being bio compatible with the Gl tract and being adapted to protect the electronic and sensor devices contained in the capsule. The capsule contains gas composition sensors, pressure and temperature sensors, a micro controller, a power source and a wireless transmission device. The microprocessor is programmed to receive data signals from the sensors and convert the signals into gas composition and concentration data and temperature and pressure data suitable for transmission to an external computing device. The capsule wall incorporates gas permeable nano-composite membranes with embedded catalytic and nano void producing nanoparticles which enhance the operation, selectivity and sensitivity of the gas sensors. The nanoscomposite membranes also reduce the risk of microorganism colonization on the surface that increases the life time of the capsule.
    • 一种与气体传感器一起使用的透气的液体不可渗透的膜,其中膜由成膜聚合物组成,该成膜聚合物包含一种或多种被选择用于改善一种或多种以下气体渗透性的纳米颗粒,以选择性地阻止或排除某些渗透 气体,同时促进所选择的气体通过膜,以抑制膜上的微生物生长。 所述膜适用于适于引入哺乳动物的胃和胃肠道的胶囊,所述胶囊形容器由能够与G1道生物相容的壁材料组成,并适于保护电子和传感器装置 容纳在胶囊中。 胶囊包含气体成分传感器,压力和温度传感器,微控制器,电源和无线传输装置。 微处理器被编程为从传感器接收数据信号,并将信号转换成适合于传输到外部计算设备的气体成分和浓度数据以及温度和压力数据。 胶囊壁包含具有嵌入的催化和纳米空隙产生纳米颗粒的透气纳米复合膜,其增强气体传感器的操作,选择性和灵敏度。 纳米复合膜还降低了表面上微生物定居的风险,这增加了胶囊的使用寿命。