Method for detecting or assaying target substance by utilizing oxygen electrode
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United States of America Patent
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Jun 25, 2002
Grant Date -
Jul 5, 2001
app pub date -
Nov 15, 1999
filing date -
Nov 18, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for detecting or assaying one constituting member in a specific binding pair, for example, the antigen in an antigen/antibody pair, by utilizing specific binding such as binding between an antigen and an antibody, together with redox reaction for detecting a label, wherein an oxygen micro-electrode with a sensing surface area of 1 mm.sup.2 or less is used; and an apparatus to which the method is applicable. According to the method and by using the apparatus, redox reaction for assaying the label can be completed in such a short time as several minutes. Therefore, an inexpensive disposable apparatus for household use can be realized.
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