Mossbauer spectroscopic study of the interaction of indole-3-acetic acid with iron(III) in aqueous solution

Alexander A. Kamnev, Ernö Kuzmann

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Abstract

The data of Mossbauer spectroscopic measurements in rapidly frozen 57Fe(III) nitrate solutions containing indole-3-acetic acid (IAA) are presented. The results obtained provide direct evidence that iron(III) is gradually reduced by IBA with the formation of soluble iron(II) complex. It has been found that further drying of the solution in air results in complete re-oxidation of iron(II) with the formation of iron(III) complex. The structure of the complexes obtained and their possible role in solubilization and transformation of iron species in soil in the presence of IAA secreted by soil microorganisms into the environment are also discussed.

Original languageEnglish
Pages (from-to)575-581
Number of pages7
JournalBiochemistry and Molecular Biology International
Volume41
Issue number3
Publication statusPublished - Mar 1 1997

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Keywords

  • Complexes
  • Indole-3-acetic acid
  • Iron(II)
  • Iron(III)
  • Mossbauer spectroscopy

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Genetics

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