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Detecting both physical and (bio-)chemical parameters by means of ISFET devices

机译:通过ISFET装置检测物理和(生物)化学参数

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摘要

A multi-parameter sensor system for the detection of eight (bio-)chemical and physical parameters (pH, potassium concentration, penicillin concentration, diffusion coefficient of H+- and OH--ions, temperature, flow velocity, flow direction and liquid leve,) is realized by using the same transducer principle. A Ta2O5-gate ISFET (ion-sensitive field-effect transistor) is applied as basic transducer for all kinds of sensors. The multi-parameter detection is achieved by means of sequentially or simultaneously scheduling of the hybride sensor modules consisting of four ISFET structures and an ion generator in different sensor arrangements and/or different operation modes. Thus, more parameters (eight) can be detected :ban the number of sensors (four) in the system.
机译:一个多参数传感器系统,用于检测八个(生物)化学和物理参数(pH,钾浓度,青霉素浓度,H +和OH-离子的扩散系数,温度,流速,流向和液位, )是通过使用相同的传感器原理来实现的。 Ta2O5栅极ISFET(离子敏感场效应晶体管)被用作各种传感器的基本传感器。多参数检测是通过依次或同时调度由四个ISFET结构和离子发生器组成的混合传感器模块以不同的传感器布置和/或不同的操作模式实现的。因此,可以检测到更多参数(八个):禁止系统中的传感器数量(四个)。

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