FIELD: medicine.
SUBSTANCE: to reduce the adsorption of bubbles on the side surface of the plastic cell in the immunoassay, the method involves an antigen-antibody reaction in a dry plastic cell, where the method comprises surfactant addition to the reaction system before or simultaneously with the onset of the said antigen-antibody reaction. The said surfactant is a poly(oxyethylene) ester of sorbitol and fatty acid or a polyoxyethylene tribenzyl phenyl ether. The group of inventions also relates to a reagent for immunoassay.
EFFECT: use of this group of inventions allows to effectively prevent the adsorption of bubbles on the spectrophotometric surface of a dry plastic cell, as a result of which the measurement value is stabilized and the measurement accuracy in the immunoassay is increased by means of an automated analyzer.
7 cl, 6 tbl
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