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Biosensor

A biosensor and substrate technology, applied in the field of biosensors, can solve the problems of narrow range of blood glucose concentration measured by the working electrode, skin irritation, inconvenient wiring, etc., and achieve the effects of improving detection accuracy, avoiding interference, and increasing the detection range

Inactive Publication Date: 2018-03-02
HANGZHOU NANOCHAP ELECTRONICS CO LTD
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, blood glucose detection products based on reverse iontophoresis have the problems of slight irritation to the skin when extracting interstitial fluid, inconvenient wiring, and a narrow range of blood glucose concentration measured by the working electrode.

Method used

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Embodiment Construction

[0023] In order to facilitate understanding of the present invention, it is described below in conjunction with accompanying drawing:

[0024] Such as Figure 1-4 As shown, the present invention provides a biosensor, including a substrate 1, the substrate 1 can be materials such as ceramics, glass, macromolecules or plastics in specific applications, and the electrode array 2 is printed on the substrate 1, and the electrode array A plurality of working electrodes 3 for detecting interstitial fluid components are arranged on it, and the areas of the plurality of working electrodes are different, and are used for testing the concentration of interstitial fluid components in different concentration ranges. The working electrodes 3 have different areas and different working currents. When measuring working electrodes with different working currents, the ranges of physiological parameters such as blood sugar detected by them are also different. Because different individuals or the...

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Abstract

The invention relates to the field of bioengineering and particularly provides a biosensor including a substrate. The substrate is printed with electrode arrays, each comprising a plurality of work electrodes used for detecting ingredients of a tissue liquid. The substrate includes a work zone and a wiring zone, wherein the wiring zone is covered with an insulating layer so as to prevent interference on the work zone due to leading wires. A plurality groups of the electrode arrays are arranged on the same substrate. According to the invention, a plurality of work electrode sensors are formed on the same electrode array, so that detection range on the concentration of the tissue liquid is greatly increased. Besides, by covering the leading wires with the insulating layer, interference on detection results due to electric signals from the leading wires is avoided, thus increasing detection accuracy.

Description

technical field [0001] The invention relates to the field of bioengineering, in particular to a biosensor. Background technique [0002] Biosensors are often used when detecting interstitial fluids of human or animal bodies. Biosensors are generally used to detect the concentration of components in interstitial fluids. The working electrodes in biosensors are different according to their currents, and there are also precise areas suitable for detection. For example, the same type of working electrode is used to detect the interstitial fluid components in different concentration ranges of different individuals, which is prone to problems with the accuracy of the detection part. [0003] For example, the main feature of diabetes is a slowly and continuously rising blood sugar concentration. In order to detect the blood sugar concentration of the human body, there are many blood sugar testing instruments on the market. The Chinese patent with the application number 20118006343...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/26A61B5/145A61B5/1486
CPCA61B5/14532A61B5/1486A61B5/6831A61B5/6832G01N27/26G01N27/3272
Inventor 杨佳威杨旭燕
Owner HANGZHOU NANOCHAP ELECTRONICS CO LTD