. A text-book of bacteriology; a practical treatise for students and practitioners of medicine. Bacteriology. TOXINS AND ANTITOXINS 211 It is plain that the substances with the strongest affinity for antitoxin must be bound first by the antitoxin. This does not diminish the toxic value of the mixture; and these are the protoxoids. Next are bound syntoxoids and toxins, and, finally, the toxons. It is plain that, by this method, the constitution of any given toxin may be ascertained, and Ehrlich has constructed, on the basis of these observations, what he terms his toxin spectrum. Minor differen


. A text-book of bacteriology; a practical treatise for students and practitioners of medicine. Bacteriology. TOXINS AND ANTITOXINS 211 It is plain that the substances with the strongest affinity for antitoxin must be bound first by the antitoxin. This does not diminish the toxic value of the mixture; and these are the protoxoids. Next are bound syntoxoids and toxins, and, finally, the toxons. It is plain that, by this method, the constitution of any given toxin may be ascertained, and Ehrlich has constructed, on the basis of these observations, what he terms his toxin spectrum. Minor differences of toxicity and affinity for the antibody have caused him, by the partial saturation method de- scribed, still further to divide toxin into proto-, deutero-, and trito-toxin. His spectra graphically describe the constitution of any given toxic bouillon and trace its deterioration as follows:. Jh/lotaxaulf Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hiss, Philip Hanson, 1868-1913; Zinsser, Hans, 1878-1940. joint author. New York and London, D. Appleton and Company


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