Method for optically ascertaining parameters of species in a liquid analyte
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United States of America Patent
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Apr 4, 1989
Grant Date -
N/A
app pub date -
Dec 6, 1985
filing date -
Dec 10, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical waveguide with one or more coatings of reactants specific to species to be analyzed in a liquid analyte immersed therein. A light signal carried by the waveguide undergoes interaction either with the bulk analyte whereby a first signal in connection with the bulk analyte is obtained and, simultaneously, with a layer of complex resulting from the reaction of one of said specific reactant with one of said species or with two or more complex layers corresponding to two or more of said species, this generating a second (or more) signal to provide the required analytical information on said species.
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