Method for manufacturing aptamer biosensor used for quickly detecting antibiotic and heart disease markers
A biosensor and a manufacturing method technology, applied in the field of biodetection, can solve the problem of no biosensor, etc., and achieve the effects of low cost, high specificity, and increased reliability
Inactive Publication Date: 2010-06-16
TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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The invention relates to a method for manufacturing an aptamer biosensor used for quickly detecting antibiotic and heart disease markers, which comprises the following steps: 1, modifying an electrode; and 2, fixing an aptamer. In the aptamer biosensor of the invention, an antibiotic and heart disease marker (cardiac troponin I) aptamer serving as a recognition molecule is fixed on the surface ofa glassy carbon electrode to specifically combine and quickly detect an antibiotic or an cardiac troponin I (cTnI) in a specimen, and an electrochemical signal generated can reflect the concentrationof the antibiotic or cTnI in solution of the specimen. The biosensor has the advantages of high specificity, easy carrying, quickness, high stability, low cost and the like.
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