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  • Journal
    Digital Access APA PsycARTICLES v. 58-, 1999-
  • Book
    Edyta Stein. O badaniach filozoficznych Edith Stein / Roman Ingarden.
    Print 1988
  • Article
    Troitsky GV, Zav'yalov VP, Kirjukhin IF, Abramov VM, Agitsky GJ.
    Biochim Biophys Acta. 1975 Jul 21;400(1):24-31.
    A new method of producing a stable pH gradient in buffer solutions is suggested, obtained by the concentration gradient of a nonelectrolyte in buffer solutions as a result of the gradual change in the dielectric properties of the solution. The maximal concentrations of nonelectrolyte which do not influence the protein configuration allow a pH gradient with a range of two pH units to be produced. It is suggested that the properties of some polyols (i.e. glycerol or mannitol) be used to change the pH of the borate buffer for the production of greater pH gradient with a range of up to 4-5 pH units. Creating the gradient of concentration of polyols, one can obtain a pH gradient in borate buffer solutions. Though the polylydroxyl compound-borate complexes posses mobility in an electric field, a stable pH gradient can be achieved during 12 days of electrophoresis. The isoelectric focusing of haemoglobin, human serum albumin and immunoglobulins was carried out in both systems suggested. These findings were compared with isoelectric focusing in Ampholines. There was a good agreement between the methods compared. The possible differences are discussed.
    Digital Access Access Options