In the studies on the purification of diphtheria toxin, Eaton,(1) Pappenheimer(2,6,7) and several other workers,(3-5) employing culture media of different compositions and various chemical procedures, obtained toxin proteins containing about 2200 flocculation units (Lf) per mg of protein nitrogen (N) which appeared homogeneous on ultracentrifuge, diffusion and electrophoresis.(6,7)The
No takes yet. Share an insight, caveat, or question.
Katsura et al. (1957) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: