alexa Complexation of oxoanions and cationic metals by the biscatecholate siderophore azotochelin.
Environmental Sciences

Environmental Sciences

Journal of Bioremediation & Biodegradation

Author(s): Bellenger JP, ArnaudNeu F, Asfari Z, Myneni SC, Stiefel EI,

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Abstract Azotochelin is a biscatecholate siderophore produced by the nitrogen-fixing soil bacterium Azotobacter vinelandii. The complexation properties of azotochelin with a series of oxoanions [Mo(VI), W(VI) and V(V)] and divalent cations [Cu(II), Zn(II), Co(II) and Mn(II)] were investigated by potentiometry, UV-vis and X-ray spectroscopy. Azotochelin forms a strong 1:1 complex with molybdate (log K=7.6+/-0.4) and with tungstate and vanadate; the stability of the complexes increases in the order Mo
  • DOI: 10.1007/s00775-006-0194-6
  • This article was published in J Biol Inorg Chem and referenced in Journal of Bioremediation & Biodegradation

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