Method for preparing electron mediator

An electronic mediator, solid technology, applied in the direction of electrochemical variables of materials, etc., can solve the problems of low iron content, inaccurate measurement of the concentration of the substance to be measured, and low sensor sensitivity.
CN113087901APending Publication Date: 2021-07-09可孚医疗科技股份有限公司
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
可孚医疗科技股份有限公司
Publication Date
2021-07-09

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Abstract

The invention discloses a novel method for preparing an electronic mediator capable of being used for an electrochemical biosensor. The electronic mediator is prepared by carrying out polymerization reaction on polyethylene imine (PEI) and one of ferrocene carboxaldehyde, ferrocene dicarboxaldehyde or homologues of ferrocene dicarboxaldehyde. Compared with the prior art, the sensitivity of the sensor can be improved, the detection noise of the sensor can be reduced, and longer response time can be obtained.
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Description

technical field

[0001] The invention relates to an electron mediator, in particular to a preparation method of a ferrocene electron mediator. Background technique

[0002] With the advancement of technology, electrochemical biosensors, as an important sensor, appear in people's production and life in large numbers, such as modern glucose biosensors for diabetes detection. An electrochemical biosensor is an instrument that is sensitive to biological substances and converts their concentration into electrical signals for detection. The substance to be measured enters the bioactive material through diffusion, and undergoes a biochemical reaction with the electronic mediator through molecular recognition. The information generated is then converted into a quantifiable and processable signal by the corresponding physical or chemical transducer, and then passed through The secondary meter is amplified and output to know the concentration of the analyte. In the electrochemical bi...

Claims

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