[Use of the passive hemagglutination inhibition reaction for the purpose of determining the antigenic activity of anatoxins in vitro].
The work deals with the study of the possibility of using the passive hemagglutination inhibition test (antibody neutralization) for the determination of the antigenic activity of botulinum toxoids, types A, B and E. Erythrocytic diagnostic preparations were shown to allow the determination of up to 0.1 g of antigen. At the same time in vitro determinations were found to satisfactorily correlate with the results of in vivo determinations of the antigenic activity of these toxoids in the antitoxin-fixation test.
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