A biological/electrochemical reservoirs integrated microsensor for the determination of biochemical oxygen demand

2013 Transducers & Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS & EUROSENSORS XXVII) Pub Date : 2013-06-16 DOI:10.1109/TRANSDUCERS.2013.6627215

J. Wang, C. Bian, J. Tong, J. Sun, Y. Li, H. Zhang, S. Xia

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引用次数: 1

Abstract

In this paper, a novel Biochemical Oxygen Demand (BOD) microsensor consisted of a biological reservoir and an electrochemical reservoir was fabricated by Micro Electro-Mechanical System (MEMS) technology. The consumption of Dissolved Oxygen (DO) is occurred in biological reservoir by respiration of the microbial, and the change of DO was detected in the electrochemical reservoir by the integrated microelectrode array (MEA). Because of the hemispherical diffusion mode of the MEA, the increase in current densities, the enhancement in mass transport and the increase in signal-to-noise ratios were displayed. The fabricated microsensor showed linear response to DO ranging from 0.5 mg/L to 7.2 mg/L and linear response to BOD ranging from 0 to 20 mg/L. The satisfied results showed that the miniaturized BOD microsensor can be used to detect BOD in the solution, and this method can be applied in other microsystem fabrication.

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一种用于生化需氧量测定的生物/电化学储层集成微传感器

本文采用微机电系统(MEMS)技术，制作了一种新型生化需氧量(BOD)微传感器，该传感器由生物储层和电化学储层组成。生物储层中溶解氧(DO)通过微生物的呼吸作用消耗，利用集成微电极阵列(MEA)检测电化学储层中溶解氧的变化。由于MEA的半球形扩散模式，电流密度增加，质量输运增强，信噪比增加。该微传感器对DO的响应范围为0.5 ~ 7.2 mg/L，对BOD的响应范围为0 ~ 20 mg/L。结果表明，该微型BOD微传感器可用于检测溶液中的BOD，该方法可应用于其他微系统制造。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2013 Transducers & Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS & EUROSENSORS XXVII)

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