Biosensor
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United States of America Patent
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Apr 6, 1999
Grant Date -
N/A
app pub date -
Apr 8, 1996
filing date -
Apr 10, 1995
priority date (Note) -
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Abstract
A biosensor (10) for measuring changes in viscosity, density and/or mass in a fluid to be examined, for example a blood coagulation sensor or immunoassay system. According to the invention, the reagents necessary for the test are contained in a support (13) which is put onto the measurement surface (18) of a piezoelectric element (8). As a blood coagulation sensor, the measurement surface (18) may according to the invention itself have a coagulation activator action or else be coated with coagulation activators.
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