The Chemical Nature of the Antigenic Substances in Bacillus Coli

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Excerpt from The Chemical Nature of the Antigenic Substances in Bacillus Coli: Dissertation Presented in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy in the Graduate School of the Ohio State UniversityThe chief objection to the antigenic nature of fats and lipoids has been that the investigators overlooked the possibility of a protein constituent being present. Thus the other extract, or other extracted material, might have contained protein material unsuspected by the workers. Furthermore, the antigens may have been not in a pure lipoid state, nor in a pure protein state, but rather in the condition of a complex conjugated lipo protein which perhaps was taken up by the solvent. Thus, in their studies on anaphylaxis, Pick and Yamanouchi (11) used, as antigens, alcoholic extracts of horse serum. This extract was evaporated and redissolved until it gave a negative biuret test. They were successful in usings 9%89rrae prmier peap* mush mete anoéeaagdj In yarn?About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.