NMR STUDY OF THE TEMPERATURE DEPENDENCE OF PARAMAGNETIC CHEMICAL SHIFTS OF [Co(DTPA)]3-

被引：3

作者：

Zapolotsky, E. N. ^{[1
]}

Babailov, S. P. ^{[1
]}

机构：

[1] Russian Acad Sci, Nikolaev Inst Inorgan Chem, Siberian Branch, Novosibirsk, Russia

来源：

JOURNAL OF STRUCTURAL CHEMISTRY | 2021年 / 62卷 / 11期

基金：

俄罗斯科学基金会;

关键词：

cobalt(II); diethylenetriaminepentaacetate; paramagnetic NMR; chemical shift; temperature dependence; NUCLEAR-MAGNETIC-RESONANCE; LANTHANIDE(III) COMPLEXES; CONFORMATIONAL DYNAMICS; MOLECULAR-DYNAMICS; PARASHIFT AGENTS; COBALT(II); DOTA; NICKEL(II); IRON(II); PROBES;

D O I：

10.1134/S002247662111010X

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Temperature dependences of paramagnetic chemical shifts in complex [Co(DTPA)](3-) are studied by NMR. It is established that the maximal temperature sensitivity of chemical shifts d(delta(exp))/dT is 0.68 ppm/K. Taking into account the half-width of the signal (|CT|/W = 0.51 K-1), the NMR shifts of the studied complex show high temperature sensitivity in the series of complexes of paramagnetic d-block elements. Complex [Co(DTPA)](3-) can be considered as a promising compound for the design of temperature sensitive NMR probes to determine local temperature in aqueous environments and for advanced MRI diagnostics.

引用

页码：1740 / 1744

页数：5

共 26 条

[1] Conformational and coordination equilibria on DOTA complexes of lanthanide metal ions in aqueous solution studied by H-1-NMR spectroscopy [J].

Aime, S ;

Botta, M ;

Fasano, M ;

Marques, MPM ;

Geraldes, CFGC ;

Pubanz, D ;

Merbach, AE .

INORGANIC CHEMISTRY, 1997, 36 (10) :2059-2068

[2] NMR-STUDY OF SOLUTION STRUCTURES AND DYNAMICS OF LANTHANIDE(III) COMPLEXES OF DOTA [J].

AIME, S ;

BOTTA, M ;

ERMONDI, G .

INORGANIC CHEMISTRY, 1992, 31 (21) :4291-4299

[3] Lanthanide paramagnetic probes for NMR spectroscopic studies of molecular conformational dynamics in solution: Applications to macrocyclic molecules [J].

Babailov, S. P. .

PROGRESS IN NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY, 2008, 52 (01) :1-21

[4] Thulium diketonate as NMR paramagnetic probe for moderately fast molecular dynamics and supersensitive reagent for in situ control of temperature [J].

Babailov, S. P. .

SENSORS AND ACTUATORS B-CHEMICAL, 2016, 233 :476-478

[5] Tm-DOTA as responsive relaxation and shift probe for NMR local temperature monitoring at high magnetic fields [J].

Babailov, Sergey P. ;

Zapolotsky, Eugeny N. .

INORGANICA CHIMICA ACTA, 2021, 517

[6] Dy-DTPA as supersensitive shifting and relaxational probe for NMR/MRI control of local temperature [J].

Babailov, Sergey P. ;

Zapolotsky, Eugeny N. .

POLYHEDRON, 2021, 194

[7] Two types of conformational dynamics and thermo-sensor properties of praseodymium-DOTA by 1H/13C NMR [J].

Babailov, Sergey P. ;

Zapolotsky, Eugeny N. ;

Kruppa, Alexander, I ;

Stabnikov, Pavel A. ;

Godovikov, Ivan A. ;

Bocharov, Eduard, V ;

Fomin, Eduard S. .

INORGANICA CHIMICA ACTA, 2019, 486 :340-344

[8] Nickel(II) complex of a biradical: Structure, magnetic properties, high NMR temperature sensitivity and moderately fast molecular dynamics [J].

Babailov, Sergey P. ;

Peresypkina, Eugenia V. ;

Journaux, Yves ;

Vostrikova, Kira E. .

SENSORS AND ACTUATORS B-CHEMICAL, 2017, 239 :405-412

[9] Paramagnetic lanthanides as magnetic resonance thermo-sensors and probes of molecular dynamics: Holmium-DOTA complex [J].

Babailov, Sergey P. ;

Dubovskii, Peter V. ;

Zapolotsky, Eugeny N. .

POLYHEDRON, 2014, 79 :277-283

[10] NUCLEAR MAGNETIC-RESONANCE SHIFTS IN SOLUTION DUE TO LANTHANIDE IONS [J].

BLEANEY, B .

JOURNAL OF MAGNETIC RESONANCE, 1972, 8 (01) :91-&

← 1 2 3 →