Electrobiochemical method and system for the determination of an analyte which is a member of a recognition pair in a liquid medium, and electrodes thereof
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United States of America Patent
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Aug 24, 1999
Grant Date -
N/A
app pub date -
Feb 21, 1995
filing date -
Feb 22, 1994
priority date (Note) -
Expired
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Abstract
An elcctrobiochemical system for the determination of the presence and optionally concentration of an analyte in a liquid medium, the system comprising an electrode having immobilized thereon a member of a recognition pair, the other member of said pair being said analyte, the presence of said analyte in the medium resulting in formation of a pair complex, being a complex between said immobilized member and said analyte; the system further comprising redox molecules capable of changing their redox state by accepting electrons from or donating electrons to the electrode; the formation of the pair complex on the electrode bringing a change in the electrical response of the system, whereby the presence and optionally the concentration of said analyte in the medium can be determined.
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