Dry plate for biochemical analysis of chloride ions and preparation method thereof

A technology of biochemical analysis and chloride ion, which is applied in the field of blood gas biochemical sensors, can solve the problems of high cost, complicated process, dry-type ion selective electrode, etc., and achieve the effect of low cost, uniform surface and suitable for large-scale industrial production

Inactive Publication Date: 2016-01-06
吴国清
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  • Abstract
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Problems solved by technology

[0004] Chinese patent CN10237510A discloses a chloride ion microelectrode and its preparation method. It is small in siz...

Method used

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  • Dry plate for biochemical analysis of chloride ions and preparation method thereof
  • Dry plate for biochemical analysis of chloride ions and preparation method thereof
  • Dry plate for biochemical analysis of chloride ions and preparation method thereof

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Embodiment Construction

[0030] The present invention will be described in detail in conjunction with the accompanying drawings and specific embodiments.

[0031] Such as figure 1 As shown, the dry sheet for chloride ion biochemical analysis includes: a support layer 1 , a chloride ion selective electrode 2 , an insulating layer 3 , and a salt bridge 4 .

[0032] Such as figure 2 As shown, the chloride ion selective electrode includes: a silver layer 21 , a silver chloride layer 22 , and a polymer film 23 .

[0033] The specific implementation steps are as follows.

[0034] A silver layer is plated on the surface of the polyethylene terephthalate by electroless plating to prepare the silver layer 21 .

[0035] The first 2 / 3 of the silver layer 21 is oxidized by chemical method. After immersing the contact electrode at the site to be oxidized in 0.1 mol / L ferric chloride solution for 60 seconds, take it out, wash it with pure water and dry it to obtain the silver chloride layer 22 .

[0036] Poly...

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Abstract

The invention relates to a dry plate for biochemical analysis of chloride ions and a preparation method thereof and belongs to the technical field of blood-gas biochemical sensors. The dry plate is used for detecting the chloride ion concentration of a body fluid and comprises a supporting layer, an insulating layer, a salt bridge, a silver/silver chloride electrode and a polymeric membrane. The silver/silver chloride electrode is prepared, the polymeric membrane is attached to an electrode silver chloride layer, chloride ion selection electrodes are prepared, the salt bridge is sealed in the insulating layer, the two chloride ion selection electrodes is in bonded with the supporting layer and the insulating layer to assemble the dry plate, and breakover between a fluid to be detected and a reference fluid is achieved through the salt bridge. Different from other ion selection electrodes, the dry plate uses the polymeric membrane to replace the reference fluid and an ion-selective membrane in a traditional chloride ion selection electrode, is simple in operation, high in response speed, small in size, convenient to carry, simple in preparation process, low in production cost and suitable for large-scale industrial production.

Description

technical field [0001] The invention relates to the technical field of blood gas biochemical sensors, in particular to a chlorine ion biochemical analysis dry sheet and a preparation method thereof. Background technique [0002] Body fluid electrolyte concentration is an important basis for clinical examination, treatment evaluation and prognosis judgment. Chloride ion is the main anion in the extracellular fluid of the human body. It has the function of regulating the osmotic pressure and acid-base balance of the body, and participates in the generation of gastric acid in gastric juice, stimulates liver function, promotes the excretion of metabolites in the liver, and also has the function of stabilizing the membrane potential of nerve cells. effect. In the current development of medicine, the detection of chloride ions is one of the important indicators of electrolyte detection. At present, the commonly used equipment for measuring the chloride ion content in human body ...

Claims

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Application Information

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IPC IPC(8): G01N27/26G01N27/333
Inventor 吴国清陈汉杰向东东
Owner 吴国清
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