Biological nanometer material sensor electrode and manufacturing method and using method thereof

A technology of biological nanomaterials and sensor electrodes, which is applied in the analysis of materials, material analysis by electromagnetic means, instruments, etc., can solve the problems of limited practical value, low sensitivity, and narrow linear response range, and achieves short response time and sensitivity. The effect of high, linear response range
CN102565162AInactive Publication Date: 2012-07-11石瑾 +2
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
石瑾
Publication Date
2012-07-11
Estimated Expiration
Not applicable · inactive patent
Patent Text Reader

Abstract

The invention relates to a biological nanometer material sensor electrode and a manufacturing method and a using method of the biological nanometer material sensor electrode, belonging to the technical field of a biological nanometer material sensor. The manufacturing method comprises the following steps: (1) fixing a carbon nano-tube; and (2) immobilizing enzyme. The carbon nano-tube and a platinum black nano material adopted in the method have a function of catalytic electrochemical reaction, and the carbon nano-tube and the platinum black nano material are fixed on the surface of the sensor, so that the response time, sensitivity, linear response range and anti-jamming capability of the sensor can be significantly improved, and furthermore, the application range of the sensor is greatly increased. Compared with the current glucometer, the sensor electrode has the advantages of real-time detection, 0.8 seconds of response time, high sensitivity, large linear response range (10 muM-22muM glucose), strong anti-jamming capability, recycling, low production cost and the like, and the 10 muM glucose (as the minimum level ) can be detected.
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Description

technical field

[0001] The invention relates to a bionano material sensor electrode, a manufacturing method and a use method thereof, and belongs to the technical field of bionano material sensors. Background technique

[0002] Existing electrochemical sensors use enzymes as biorecognition molecules. When used, the enzyme will specifically bind the analyte molecule, convert the analyte molecule into an intermediate molecule that can be oxidized, and then under the action of the working voltage, the intermediate molecule is oxidized , generate a current, and measure the concentration of the molecule to be measured by measuring the current. The disadvantages of existing electrochemical sensors are low sensitivity and narrow linear response range, so the practical value is extremely limited. Contents of the invention

[0003] The purpose of the present invention is to solve the shortcomings of the above-mentioned prior art, and provide a bionano-material with real-time detec...

Claims

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