The difference between the hemolytic and conglutinating properties of equine complement was shown by the method of conglutinin and immunoconglutinin titration in the author's modification. Different localization of conglutinating antibodies (in the supernatant fraction) and conglutinins (in the sediment) in bovine serum was revealed by the method of serum fractionation in the stream of carbon dioxide. The differences in the localization of conglutinins and immunoglutinins (in the sediment and the supernantant fraction respectively), as well as the differences in the localization of hemagglutinins and conglutinins in the sera (in different fractions) were determined.
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