Control or calibration standard for use with instruments for optical measurement of hemoglobin concentration in blood samples

A control or calibration standard for use with instruments for the optical measurement of the hemoglobin content in blood samples, features scattering particles or beads dispersed in aqueous electrolyte solution. To prevent sedimentation of the beads during storage, they have a mean diameter of <...

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Bibliographic Details
Main Authors KRONEIS HERBERT, TUSA JAMES K, BEN-DAVID DANIEL, LAUGHINGHOUSE CHARLES L, ZIEGLER WERNER, JOEBSTL EWALD
Format Patent
LanguageEnglish
Published 16.01.2001
Edition7
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:A control or calibration standard for use with instruments for the optical measurement of the hemoglobin content in blood samples, features scattering particles or beads dispersed in aqueous electrolyte solution. To prevent sedimentation of the beads during storage, they have a mean diameter of <0.6 mum, preferably about 0.3 mum, and a volume concentration of <1%, preferably <0.3%. To prevent long term agglomeration, a non-ionic surfactant with an added antioxidant can be included in the formulation.
Bibliography:Application Number: US19980054461