Layer structure for determination of analyte concentration based on micellar recognition system
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United States of America Patent
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May 29, 2001
Grant Date -
N/A
app pub date -
Mar 8, 1999
filing date -
Oct 24, 1994
priority date (Note) -
Expired
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Abstract
Starting from two non-miscible phases, i.e., a lipophilic and a hydrophilic phase, a surface-active substance and a recognition component, a micellar recognition system is built in a suitable manner and is incorporated into a layer structure. The micellar recognition system is provided in a single thin layer in which the recognition component is distributed homogeneously. Additional layers which may be provided about this layer, have an influence on the properties of the entire layer structure. On contact between the layer structure and the substance to be measured a recognition step takes place in the layer which is followed by a transducing step. In this way a measurement variable is produced by means of which information is obtained on the substance. The layer structures exhibit higher sensitivity, a lower detection threshold, short response time and special robustness with regard to sample interference.
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