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    • 1. 发明申请
    • SENSOR DEVICE AND METHOD FOR INDICATING OXYGEN CONSUMPTION
    • 用于显示氧气消耗的传感器装置和方法
    • WO02099410A9
    • 2004-04-15
    • PCT/US0217923
    • 2002-06-04
    • ACLARA BIOSCIENCES INCBERRIEN LA SHAUNBINYAMIN GARYLACKRITZ HILARY SVANYSEK PETRZHAO MINGQI
    • BERRIEN LA SHAUNBINYAMIN GARYLACKRITZ HILARY SVANYSEK PETRZHAO MINGQI
    • G01N27/49G01N33/18
    • G01N27/404G01N33/1806
    • A sensor device for measuring electrochemical, chemical, or biological oxygen demand in a sample is disclosed. The device includes a measurement chamber (14) having at least one chamber dimension of less than 1 millimeter. Also included in the device are working (56) and counter (60) electrodes, and possibly a reference electrode (58) adapted for electrical contact with liquid contained in the chamber. Measurement is accomplished under conditions of electron transfer to or from the components or intermediary to or from the working electrode (56), an electrical circuit connecting this electrode to the counter electrode (60) and possibly the reference electrode (58) and having a power source for applying a voltage potential between the working and counter electrodes, and possibly the working and reference electrodes. A current-responsive means is included in the circuit for measuring the instantaneous or time-averaged electrical current or for integrating the charge flowing through the circuit over a defined period of time, the current or charge being related to the total oxidizable or reducible bio/organic components contained in the sample with the measurement chamber.
    • 公开了一种用于测量样品中电化学,化学或生物需氧量的传感器装置。 该装置包括具有小于1毫米的至少一个室尺寸的测量室(14)。 设备中还包括工作(56)和计数器(60)电极,以及可能的参考电极(58),其适于与容纳在腔室中的液体电接触。 测量是在电子转移到或来自组件或介于工作电极(56)的电子转移条件下完成的,电路将该电极连接到对电极(60)和可能的参考电极(58)并且具有功率 用于在工作电极和对电极之间施加电压电位的源,以及可能的工作电极和参考电极。 电流响应装置包括在电路中,用于测量瞬时或时间平均的电流或者用于在限定的时间段内积分流过电路的电荷,该电流或电荷与总可氧化或可还原的生物/ 包含在样品中的有机组分与测量室。