Dry analytical element for high-density lipoprotein cholesterol quantification

A dry analytical element is disclosed which can be used for the quantification of high-density lipoprotein cholesterol (HDLC). The element comprises a support having one or more reagent layers containing a first enzyme, a cholesterol ester hydrolase, to hydrolyze cholesterol esters, a second enzyme,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SILVA DAVID PAUL, VAVRA KAREN J, ARTER THOMAS CHARLES, DIMAGNO THEODORE JOHN, CHAMBERS DEBORAH LYNN
Format:	Patent
Sprache:	eng
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS OR TEST PAPERS THEREFOR CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL ORENZYMOLOGICAL PROCESSES ENZYMOLOGY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEICACIDS OR MICROORGANISMS METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING PHYSICS PROCESSES OF PREPARING SUCH COMPOSITIONS SPIRITS TESTING VINEGAR WINE
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Beschreibung
Zusammenfassung:	A dry analytical element is disclosed which can be used for the quantification of high-density lipoprotein cholesterol (HDLC). The element comprises a support having one or more reagent layers containing a first enzyme, a cholesterol ester hydrolase, to hydrolyze cholesterol esters, a second enzyme, cholesterol oxidase, to release hydrogen peroxide from cholesterol, and a third enzyme, horseradish peroxidase, to oxidize a leuco dye that is read at 670 nm. The element also contains phosphotungstic acid, a non-high-density lipoprotein precipitant, and a high-density lipoprotein selective surfactant, which together confer HDLC selectivity on the assay. Also disclosed are polymers that improve assay precision and eliminate interference from hemolyzed patient samples.