Purification of Rickettsia by Means of Ion Exchangers (Purification des Rickettsies au Moyen d'echangeurs d'Ions)
ARMY BIOLOGICAL LABS FREDERICK MD
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A modification of the method of Silberman and Fiset 8 is described for the extraction and purification of rickettsiae from yolk sacs of chick embryos using anion exchange cellulose, EEAE or ECTEOLA. The method is simple and gentle and yields highly purified preparations.