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A kind of lix type microelectrode array device and its preparation method

A micro-electrode array and micro-electrode technology, applied in the field of environmental microorganisms and environmental monitoring, can solve the problems of low sensitivity detection limit of the assay method, inability to measure the electrochemical signal circuit breaker, and falling off of the tip LIX film, so as to achieve convenient and reliable use and stable signal. , the effect of increasing the response current

Active Publication Date: 2021-01-29
西安康秋医疗科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The determination method of LIX microelectrodes has high sensitivity and low detection limit, but the signal stability is poor, and the electrochemical signals generated are easily interfered by noise and electromagnetic radiation, which affects the accuracy of the determination. In addition, LIX microelectrodes are used in the determination. It is common for tip LIX membranes to fall off as the use time and frequency prolong, resulting in the phenomenon that the electrochemical signal break cannot be measured.

Method used

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  • A kind of lix type microelectrode array device and its preparation method
  • A kind of lix type microelectrode array device and its preparation method
  • A kind of lix type microelectrode array device and its preparation method

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Embodiment Construction

[0056] like figure 1 and figure 2 As shown, the present invention includes a top cover 1, a cavity 2, a LIX type microelectrode 4 and a microelectrode placement frame 3 for placing a LIX type microelectrode 4, the cavity 2 is a hollow cavity, and the The bottom of the top cover 1 is closely connected with the top of the cavity 2, and the bottom of the cavity 2 is tightly connected with the top of the microelectrode placement frame 3; the top of the microelectrode placement frame 3 is provided with a second conductive pad 7. The lower part of the second conductive gasket 7 is fixedly connected to the upper surface of the microelectrode placement frame 3, and the detection end of the LIX type microelectrode 4 passes through the second conductive gasket 7 and the microelectrode in turn from top to bottom. Electrode placement frame 3, the connecting end of described LIX type microelectrode 4 exposes the upper surface of second conductive gasket 7, and the top of described second...

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Abstract

The invention discloses a LIX-type micro-electrode array device, which comprises a top cover, a cavity, a LIX-type micro-electrode and a micro-electrode placement rack, the cavity is connected to the top cover and the micro-electrode placement rack, and the second conductive gasket It is connected with the microelectrode placement frame, the first conductive gasket is connected with the top cover, the external microvoltmeter wire passes through the top cover, the first conductive gasket and the conductive sheet, and the LIX type microelectrodes are distributed on the second conductive gasket. The wire and the external microvoltmeter wire are fixedly connected with the conductive sheet. The invention also discloses a preparation method of the LIX type micro-electrode array device. The LIX-type microelectrode array device of the present invention is light in size, stable in performance, high in sensitivity, good in accuracy, quick in response, and can greatly improve the situation of unstable signal drift in conventional LIX microelectrode measurement, and can effectively stabilize the LIX-type microelectrode in Measuring the electrical signal of ions in the environmental matrix is ​​widely used in the field of environmental microbial research and environmental monitoring.

Description

technical field [0001] The invention belongs to the technical field of environmental microorganisms and environmental monitoring, and in particular relates to a LIX type micro-electrode array device and a preparation method thereof. Background technique [0002] In recent decades, the application of microelectrode as a microsensor in the direction of electrochemical measurement has become a newly developed measurement technology. Because the tip of the microelectrode is tiny (usually tens of microns or even several microns), and the microsensor is at this scale. It can show good electrochemical performance, not only can measure the concentration level of substances in the micron level, but also the signal has the characteristics of high sensitivity. In recent years, with the widespread use of chemical materials, the technology of combining LIX (ion selective permeation) membranes with microelectrodes has attracted more and more attention from researchers. [0003] The micro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/403
CPCG01N27/403
Inventor 鞠恺吕永涛万琼张新艳谷拴成
Owner 西安康秋医疗科技有限公司
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