passive hemagglutination

pas·sive he·mag·glu·ti·na·tion

a kind of passive agglutination in which erythrocytes, usually modified by mild treatment with tannic acid or other chemicals, are used to adsorb soluble antigen onto their surface, and which then agglutinate in the presence of antiserum specific for the adsorbed antigen.

pas·sive he·mag·glu·ti·na·tion

(pas'iv hē'mă-glū-ti-nā'shŭn)
Agglutination in which erythrocytes, usually modified by treatment with chemicals, adsorb soluble antigen and then agglutinate in the presence of antiserum specific for the adsorbed antigen.
Synonym(s): indirect hemagglutination test.
References in periodicals archive ?
a set of reagents for the determination of antibodies to the causative agent of syphilis in the reaction of passive hemagglutination 1 set, indicated by the participants3.
The diagnosis of leptospirosis was confirmed by passive hemagglutination test (the titer was 1/160).
Studies on the sensitivity of a passive hemagglutination test in the detection of anti-measles antibodies.
AntiHBs titers can be determined in the serum (qualitative and quantitative) using ELISA RIA (Radio Immuno Assay) or PHA (passive hemagglutination method)7.
Traditionally, anti-RNP antibodies have been detected by techniques such as passive hemagglutination, immunodiffusion, counterimmunoelectrophoresis, and ELISA using purified antigen.
The passive hemagglutination assay showed 17 positive samples in the marmot hunter population.
test systems designed to detect antibodies to treponema pallidum in serum, plasma, human cerebrospinal fluid using the reaction of passive hemagglutination (rpha) 8 000 units, indicated by the participants3

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