The Journal of Experimental Medicine, Vol 67, 545-550,
Copyright, 1938, by The Rockefeller Institute for Medical Research New York
CHEMICAL STUDIES ON BACTERIAL AGGLUTINATION
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IV. QUANTITATIVE DATA ON PNEUMOCOCCUS R (DAWSON S)- ANTI-R (S) SYSTEMS
Michael Heidelberger Ph.D.1 and
Elvin A. Kabat Ph.D.1
1 From the Departments of Medicine and Biological Chemistry, College of Physicians and Surgeons, Columbia University, and the Presbyterian Hospital, New York
1. The quantitative, absolute method of agglutinin estimation is extended to the reaction between Types I and II pneumococcus R (S) suspensions prepared in various ways and antisera from rabbits injected with these cells.
2. Quantitative estimations of the amount of antibody to pneumococcus C substance are also given.
3. The significance of the data is discussed.
Submitted on January 23, 1938