CORRECTING PROTEIN INDUCED ERROR IN PH-SENSITIVE ISE COMPRISING A POLYMERIC MEMBRANE

The present invention provides a means to substantially decrease the pH bias that is commonly observed with pH data obtained using ion selective electrode (ISE) containing instruments that have a solvent polymeric membrane based ISE pH electrode. The pH bias is reduced by utilizing the discovery tha...

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Bibliographic Details
Main Authors KROUWER, JAN, S, BENCO, JOHN, S
Format Patent
LanguageEnglish
French
German
Published 05.04.2006
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:The present invention provides a means to substantially decrease the pH bias that is commonly observed with pH data obtained using ion selective electrode (ISE) containing instruments that have a solvent polymeric membrane based ISE pH electrode. The pH bias is reduced by utilizing the discovery that the presence of protein in a liquid sample induces an apparent interference with the pH value.
Bibliography:Application Number: EP20000900029