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Your search keyword '"Mohammad Hossein Fekri"' showing total 3 results
Start Over Author "Mohammad Hossein Fekri" Topic biochemistry
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3. Interaction of Dioxovanadium(V) with Alanine, Alanylalanine, and Alanylglycine

Author

Farrokh Gharib and Mohammad Hossein Fekri

Subjects
Alanine, Crystallography, Aqueous solution, Stereochemistry, Stability constants of complexes, Chemistry, Alanylalanine, Potentiometric titration, Biophysics, Physical and Theoretical Chemistry, Molecular Biology, Biochemistry
Abstract

The stability constants of the systems dioxovanadium(V) with alanylalanine, alanylglycine, and alanine have been determined in aqueous solution in 0.8 ≤ pH ≤ 5 at 25°C and 0.1 mol-dm−3 (NaClO4), using a combination of potentiometric and spectrophotometric techniques. The compositions of the formed complexes were determined and it was shown that dioxovanadium(V) forms two mononuclear 1:1 and 1:2 species with alanine of the type VO2L and VO2L2−, and two mononuclear 1:1 complexes with alanylpeptides of the type VO2HL and VO2L−.

Published
2003
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