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[Determination of haptoglobin by agglutination with anti-Hp on latex particles]
Human sera are able to agglutinate latex particles sensitized with antihaptoglobin serum produced from sheep. The agglutination depends on the haptoglobin types. Similar to the agglutination of T4-streptococci the titer of Hp 1-1 is very low and the titers of sera of the types Hp 2-1 and Hp 2-2 are 1:160 or higher.
Human sera are able to agglutinate latex particles sensitized with antihaptoglobin serum produced from sheep. The agglutination depends on the haptoglobin types. Similar to the agglutination of T4-streptococci the titer of Hp 1-1 is very low and the titers of sera of the types Hp 2-1 and Hp 2-2 are 1:160 or higher.