METHOD FOR PREVENTING DETERIORATION OF UNSENSITIZED LATEX REAGENT
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United States of America Patent
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Issued Date -
Dec 24, 2015
app pub date -
Feb 18, 2014
filing date -
Mar 1, 2013
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Abstract
Disclosed is novel means for favorably maintaining the dispersed state of a latex reagent in an immunoassay kit and preventing occurrence of coagulation/sedimentation due to temperature changes so that the reagent is protected from deterioration in the measurement performance, which means is also applicable to an immunoagglutination assay kit containing a latex reagent aliquoted in small amounts. The immunoassay reagent of the present invention comprises unsensitized latex particles and trimethylglycine in a solvent. The concentration of trimethylglycine in the reagent is preferably 5 to 10 w/v %. The reagent can be favorably used as an immunoassay reagent for, e.g., hemoglobin A1c.
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