Abstract
Summary
By adsorption of equine serum (antigen) to suitable particles of carmine a suspension can be made which is specifically agglutinable in rabbit antihorse serum. With suitably prepared suspensions, the open slide method may be conveniently employed in making agglutination tests. Employing this technic it is possible to detect antibody in the fresh sera of immunized rabbits 2 to 6 days earlier than it is by the conventional precipitation test employing the antigen dilution method.
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