Method of preparing a thromboplastin extract

A thromboplastin extract including an aqueous thromboplastin extract of a powdered thromboplastin source including a metal ion chelator. A thromboplastin reagent for use in blood coagulation tests, the thromboplastin reagent includes the extract and calcium ions, and may include one or more of a sta...

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Hauptverfasser: RULLMAN, RICHARD L, BARROW, DAVID A
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creator RULLMAN
RICHARD L
BARROW
DAVID A
description A thromboplastin extract including an aqueous thromboplastin extract of a powdered thromboplastin source including a metal ion chelator. A thromboplastin reagent for use in blood coagulation tests, the thromboplastin reagent includes the extract and calcium ions, and may include one or more of a stabilizer and a preservative. A process for preparing a thromboplastin extract including extracting a powdered thromboplastin source in an aqueous solution having a metal ion chelator, and separating the powder in solution into sedimented powder and supernatant thromboplastin extract. The supernatant thromboplastin extract is mixed with calcium ions, and may be mixed with one or more of a stabilizer and a preservative, to prepare thromboplastin reagent.
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subjects BEER
BIOCHEMISTRY
CHEMISTRY
COMPOSITIONS OR TEST PAPERS THEREFOR
CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL ORENZYMOLOGICAL PROCESSES
ENZYMOLOGY
HUMAN NECESSITIES
HYGIENE
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEICACIDS OR MICROORGANISMS
MEDICAL OR VETERINARY SCIENCE
METALLURGY
MICROBIOLOGY
MUTATION OR GENETIC ENGINEERING
ORGANIC CHEMISTRY
PEPTIDES
PHYSICS
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
PROCESSES OF PREPARING SUCH COMPOSITIONS
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
SPIRITS
TESTING
VINEGAR
WINE
title Method of preparing a thromboplastin extract
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