Abstract
Summary
(1) Pollen antigens (short ragweed) elute slowly from the surface of tanned sheep erythrocytes. (2) This elution does not apparently affect the titer obtained over a 2 hr incubation period. (3) Some antigenic fractions fix more permanently than others. (4) The elution is not a function of contact of the RBC-antigen with its specific antibody. (5) This method may possibly be used to separate various antigenic components in the search for antigens with fewer specificities.
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