Electrochemical biosensor and method for measuring blood impedance phase angle

A biosensor, electrochemical technology, applied in the direction of measuring devices, scientific instruments, material impedance, etc., can solve the problems such as the greater influence of electrode stability, achieve the effects of short test time, easy large-scale production, and good industrial application prospects

Pending Publication Date: 2020-06-05
JIANGSU YUYUE MEDICAL EQUIP&SUPPLY CO LTD +1
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Problems solved by technology

These methods are greatly affected by the stability of the printed electrode of the sensor and the properties of the film material of the hydrophilic layer. Therefore,

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  • Electrochemical biosensor and method for measuring blood impedance phase angle

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[0018] In order for those skilled in the art to understand the solutions of the present invention, the technical solutions in the embodiments of the present invention are described completely and clearly in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention. , Not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0019] figure 1 This embodiment is a schematic structural diagram of the electrochemical biosensor for measuring the phase angle of blood impedance. The figure includes a base layer 12, a conductive layer on the base layer 12, and an insulating layer 11 provided above the conductive layer. One end of the conductive layer includes five electrode output terminals 1 to 5, a...

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Abstract

The invention discloses an electrochemical biosensor. The electrochemical biosensor comprises a substrate layer, an electrode output end is arranged at the upper end of the substrate layer, a reactionelectrode and an auxiliary electrode are arranged at the lower end of the substrate layer, a conductive circuit is connected between the reaction electrode, the auxiliary electrode and the electrodeoutput end, a hydrophilic film layer is arranged on a reaction channel at the lower end of the substrate layer, and a to-be-detected liquid inlet is formed in the front end of the hydrophilic film layer; air holes are respectively formed in the hydrophilic film layer at the rear end of the reaction channel; and reagent layers are arranged on the reaction electrode and the auxiliary electrode. Theinvention also discloses a method for measuring a blood impedance phase angle by using the electrochemical biosensor.

Description

technical field [0001] The content of the invention belongs to the field of electrochemical detection analysis and biosensor technology, and relates to an electrochemical biosensor for measuring the impedance phase angle of whole blood samples and a method for measuring the blood impedance phase angle. Background technique [0002] Biosensors have been widely used in the fields of medical testing, environmental analysis, and food testing. Electrochemical biosensors chemically react with the analyte to be tested in a certain way, and convert the reaction signal into an electrical signal that can be analyzed and measured, thereby treating A technique for qualitative or quantitative analysis of measured objects. This type of sensor has the characteristics of simple operation, small sample size, high accuracy, low production cost, and can be used for real-time detection. However, at present, electrochemical biosensors are easily affected by blood hematocrit when testing the conc...

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Application Information

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IPC IPC(8): G01N27/416G01N27/327G01N27/02
CPCG01N27/416G01N27/4163G01N27/327G01N27/02
Inventor 危亮
Owner JIANGSU YUYUE MEDICAL EQUIP&SUPPLY CO LTD
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