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  • Title: Purification of Clostridium toxoids.
    Author: Buchowicz I, Hay M, Schiller B, Korbecki M, Sochańska R.
    Journal: Acta Microbiol Pol; 1977; 26(3):285-94. PubMed ID: 70974.
    Abstract:
    A two-step fractionation procedure was applied for purification and concentration of the individual Clostridium toxoids. The toxoids were precipitated with hydrochloric acid in the presence of sodium sextametaphosphate, then antigenic fractions were separated from inactive contaminants by Sephadex G-75 filtration. Specific activity of the preparations thus obtained, as determined by Mancini radial immunodiffusion, was 150--565 binding units per mg of protein nitrogen for Clostridium perfringens toxoid, 204--352 binding units for Clostridium oedematiens toxoid and 26.6 -- 51.2 binding units for Clostridium septicum toxoid.
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