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Kinetic Inertness of the Mn2+ Complexes Formed with AAZTA and Some Open-Chain EDTA Derivatives
Author(s) -
Ferenc K. Kálmán,
Gyula Tircsó
Publication year - 2012
Publication title -
inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 233
eISSN - 1520-510X
pISSN - 0020-1669
DOI - 10.1021/ic300832e
Subject(s) - chemistry , kinetic energy , chain (unit) , crystallography , stereochemistry , inorganic chemistry , astronomy , quantum mechanics , physics
The results of systematic equilibrium, kinetic, and relaxometric investigations carried out on the Mn(2+) complexes of open-chain and AAZTA ligands indicate that the [Mn(CDTA)](2-) complex has satisfactorily high kinetic inertness (t(1/2) = 12 h at pH = 7.4), which, in turn, may allow its use as a contrast agent in the field of magnetic resonance imaging (as a replacement for Gd(3+)-based agents).

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