Full blood lactic biological sensor modified by oriented carbon nano tube

A biosensor, carbon nanotube technology, applied in the field of biosensors, can solve the problems of interference of changes in oxygen content, poor anti-interference ability, poor redox characteristics, etc., to improve enzyme activity, improve response sensitivity, avoid Effects of changes in blood volume
CN1648650AInactive Publication Date: 2005-08-03ZHEJIANG UNIV
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Patent Information

Authority / Receiving Office
CN ยท China
Current Assignee / Owner
ZHEJIANG UNIV
Publication Date
2005-08-03
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

The full blood lactic acid biosensor modified with oriented carbon nanotube features that one layer of Co particles as the catalyst for oriented growth of carbon nanotube is deposited on the substrate and that the reaction layer has base layer comprising oriented carbon nanotube as the second electric intermediate and the upper layer comprising L-lactic oxidase and the mixture of reagent, stabilizer and buffering liquid as the first electric intermediate. Compared with available the technology, the present invention has the advantages of obviously raised responding sensitivity on lactic acid concentration of the sensor, work voltage of the sensor lowered from 500 mv to 300 mv, no need of pre-treatment of the blood sample and blood sample amount as less as 2 microliter.
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Description

technical field

[0001] The invention relates to a biosensor, in particular to a whole blood lactic acid biosensor modified by directional carbon nanotubes. Background technique

[0002] Whole blood lactic acid biosensor modified by oriented carbon nanotubes is a biosensor that uses biomolecules as sensitive elements to quickly, accurately and conveniently measure lactic acid content in blood and other liquids. This sensor is used to measure lactic acid content in human blood. It is used to reveal the severity of certain diseases, such as guiding diabetic patients to take Jiangtangling appropriately. Excessive use of Jiangtangling will cause glycolysis, increase the lactic acid content, cause acidosis, and endanger the patient's life; it is used to measure the concentration of lactic acid in athletes, It can scientifically control the training intensity of athletes to achieve the best training effect; in food science, the freshness of food can be determined by detecting the c...

Claims

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