Abstract
Summary
1. Electrophoretic analyses are reported for syphilitic sera, before inactivation by heating to 56°C for 30 minutes, after inactivation, and after inactivation and flocculation with the Kahn antigen. No significant change occurred on inactivation but flocculation with the antigen apparently removes some γ globulin from solution. 2. Electrophoretic analyses and serological reactions of protein fractions obtained by salting out with ammonium sulfate are reported. From the data obtained, the β or γ globulin fractions or both have been identified as carriers of the Kahn and Wassermann reagins.
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