Selectivity Coefficients of Amino Acids for the Ammonium Ion on a Strong Cation Exchange Resin(Microbiology & Fermentation Industry)

概要

論文の詳細を見る
The selectivity coefficients of 16 amino acids for the ammonium form of a strong cation exchange resin (8% divinylbenzene (DVB)) were determined, using the mass action law, and were found to be correlated with various physicochemical parameters through trials of multiple regression analysis. Good relationships were obtained between selectivity coefficients and physicochemical parameters, such as the partition coefficient in octanol/water of amino acids and molecular weight. When the amino acids were divided into three groups (hydrophilic, hydrophobic and basic), the molecular weights of amino acids in the respective groups showed good relationship with the selectivity coefficients of the respective amino acids (regression coefficient: 0.94-0.96). A multiple regression equation was found to express the selectivity coefficient for each amino acid as a function of three parameters (partition coefficient, hydration number and partial molar volume). These results show that the selectivity coefficient of an amino acid is extensively affected by the hydrophobic interaction, together with the molecular size.
社団法人日本農芸化学会の論文
1990-01-23