Inorganic Chemistry, volume 59, issue 23, pages 17783-17793
La(III), Ce(III), Gd(III), and Eu(III) Complexation with Tris(hydroxymethyl)aminomethane in Aqueous Solution.
Publication type: Journal Article
Publication date: 2020-11-24
Journal:
Inorganic Chemistry
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 4.6
ISSN: 00201669, 1520510X
Inorganic Chemistry
Physical and Theoretical Chemistry
Abstract
Lanthanides such as cerium(III), europium(III), and gadolinium(III) are widely used for designing fluorescent probes or magnetic resonance imaging contrasting agents for biological systems. The synthesis and study of lanthanide complexes in buffer solutions imitating biological fluids are often complicated because of a lack of data on the lanthanide interactions with buffer solution components. Therefore, Ln(III) [where Ln(III) = La(III), Ce(III), Gd(III), Eu(III)] complexation with a widely used buffer agent, tris(hydroxymethyl)aminomethane (Tris), in aqueous solution is studied using potentiometry, spectrofluorimetry, and 139La NMR spectroscopy. The stoichiometric composition of complexes is determined using mass spectrometry. The thermodynamic stability constants of Ln(III)-Tris complexes are calculated from potentiometric and spectral data; the difficulties in the study of these systems, reliability, and accuracy of the obtained constants are discussed. The possible structures of free Tris and its complexes with lanthanides(III) are optimized on the density functional theory/PBE0 level; the peculiarities of metal-ligand bonds were studied by Quantum Theory Atoms in Molecules analysis.
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- We do not take into account publications that without a DOI.
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- Statistics recalculated weekly.
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Gamov G. et al. La(III), Ce(III), Gd(III), and Eu(III) Complexation with Tris(hydroxymethyl)aminomethane in Aqueous Solution. // Inorganic Chemistry. 2020. Vol. 59. No. 23. pp. 17783-17793.
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Gamov G., Zavalishin M. N., Pimenov O. A., Klochkov V. V., Khodov I. A. La(III), Ce(III), Gd(III), and Eu(III) Complexation with Tris(hydroxymethyl)aminomethane in Aqueous Solution. // Inorganic Chemistry. 2020. Vol. 59. No. 23. pp. 17783-17793.
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TY - JOUR
DO - 10.1021/acs.inorgchem.0c03082
UR - https://doi.org/10.1021%2Facs.inorgchem.0c03082
TI - La(III), Ce(III), Gd(III), and Eu(III) Complexation with Tris(hydroxymethyl)aminomethane in Aqueous Solution.
T2 - Inorganic Chemistry
AU - Gamov, G.A.
AU - Zavalishin, Maksim N
AU - Pimenov, Oleg A
AU - Klochkov, V V
AU - Khodov, Ilya A.
PY - 2020
DA - 2020/11/24 00:00:00
PB - American Chemical Society (ACS)
SP - 17783-17793
IS - 23
VL - 59
SN - 0020-1669
SN - 1520-510X
ER -
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@article{2020_Gamov,
author = {G.A. Gamov and Maksim N Zavalishin and Oleg A Pimenov and V V Klochkov and Ilya A. Khodov},
title = {La(III), Ce(III), Gd(III), and Eu(III) Complexation with Tris(hydroxymethyl)aminomethane in Aqueous Solution.},
journal = {Inorganic Chemistry},
year = {2020},
volume = {59},
publisher = {American Chemical Society (ACS)},
month = {nov},
url = {https://doi.org/10.1021%2Facs.inorgchem.0c03082},
number = {23},
pages = {17783--17793},
doi = {10.1021/acs.inorgchem.0c03082}
}
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Gamov, G.A., et al. “La(III), Ce(III), Gd(III), and Eu(III) Complexation with Tris(hydroxymethyl)aminomethane in Aqueous Solution..” Inorganic Chemistry, vol. 59, no. 23, Nov. 2020, pp. 17783-17793. https://doi.org/10.1021%2Facs.inorgchem.0c03082.