A METHOD OF DETERMINING ANALYTE CONCENTRATION

A method of determining the total concentration of an analyte in a fluid sample, wherein at least part of the analyte is present as a complex with an analyte-binding species. The methods includes the steps of: a) subjecting the sample to conditions that reduce the binding affinity between analyte an...

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Bibliographic Details
Main Authors ROOS, HAAKAN, BERLING, HENRIK, JARHEDE, TANJA, LARSSON, ANITA
Format Patent
LanguageEnglish
French
German
Published 27.05.2009
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:A method of determining the total concentration of an analyte in a fluid sample, wherein at least part of the analyte is present as a complex with an analyte-binding species. The methods includes the steps of: a) subjecting the sample to conditions that reduce the binding affinity between analyte and analyte-binding species sufficiently to dissociate substantially any analyte complex and provide substantially all analyte in free form, b) subjecting the sample to conditions that restore the binding affinity between analyte and analyte-binding species, and c) immediately after the binding affinity has been restored, and before any substantial re-complexing of the analyte has taken place, determining the concentration of free analyte in the sample. A method of determining the concentration of complex-bound analyte in a sample is also disclosed.
Bibliography:Application Number: EP20070808806