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COMMUNICATIONS TO THE EDITOR
DEGREE OF IODINATION AND LOCALIZING ACTIVITY OF RABBIT ANTIKIDNEY y-GLOBULIN
Sir:
1-01. 79
suggested by this work, could still yield a preparation of high radioactivity. The interest of Dr. D. Pressman in this work is gratefullv acknowledged. Supported in part by A E.C. Contract #XT (30-1)-1771.
The precipitation of chemically modified antibody y-globulin by homologous antigen has been used by many workers as an index of residual bio(9) Department of Surgery, Western Reseri e Universitv, School of logical activity.l