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Crystallization of pertussigen from Bordetella pertussis
Infection and Immunity
|January 1, 1981
Abstract:
A method is described for crystallizing pertussigen from Bordetella pertussis. The crystalline material induced histamine hypersensitivity in mice at a dose of 0.5 ng of protein and leukocytosis at a dose of 100 ng and was toxic at a dose of 429 microgram. The histamine-sensitizing activity and the toxicity were as high as ever reported.