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- Title
Volume Changes on Complex Formation of 18-Crown-6 with Amino Acids in Aqueus Solutions.
- Authors
Terekhova, I. V.; Kulikov, O. V.; Agafonov, A. V.
- Abstract
The densities of 18-crown-6-water and 18-crown-6-amino acid-water solutions at 298.15 K were determined. These values were used to estimate the partial molar volumes of 18-crown-6 in water and 0.15 M aqueous solutions of amino acids, as well as the volumes of transfer of 18-crown-6 from water to aqueous solutions of amino acids. The interaction of 18-crown-6 with amino acids involves H bonds and electrostatic forces. A conclusion was drawn that the nature and arrangement of side groups in amino acids affect their complex formation with the crown ether.
- Subjects
LIGANDS (Chemistry); AMINO acids; COORDINATION compounds; ORGANIC acids; CROWN ethers; BIOCHEMISTRY; CHEMISTRY
- Publication
Russian Journal of General Chemistry, 2003, Vol 73, Issue 2, p312
- ISSN
1070-3632
- Publication type
Article
- DOI
10.1023/A:1024768827706