1986
DOI: 10.1016/s0020-1693(00)81215-3
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Copper-histidine ternary complex equilibria with glutamine, asparagine and serine. The implications for computer-simulated distributions of copper(II) in blood plasma

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Cited by 59 publications
(17 citation statements)
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“…Thus the presence of either deprotonated or hydroxocomplexes (or both) is indicated. In addition, these curves do not present marked plateau around p p ¼ 1 or 2 which are usually observed respectively for mononuclear species ML and ML 2 in the case of strong ligands (Berthon et al, 1986). In addition, the ''tails'' displayed by the experimental curves are regarded as specific to the formation of hydroxo species.…”
Section: Aluminium(iii) -Acetate Equilibriummentioning
confidence: 74%
“…Thus the presence of either deprotonated or hydroxocomplexes (or both) is indicated. In addition, these curves do not present marked plateau around p p ¼ 1 or 2 which are usually observed respectively for mononuclear species ML and ML 2 in the case of strong ligands (Berthon et al, 1986). In addition, the ''tails'' displayed by the experimental curves are regarded as specific to the formation of hydroxo species.…”
Section: Aluminium(iii) -Acetate Equilibriummentioning
confidence: 74%
“…[14,15] Simplified models were proposed to predict the concentration of the free Gd 3 + in blood plasma in the presence of gadolinium-based MRI contrast agents. [16,17,18] For such equilibrium calculations, it is necessary to know the protonation constants of the ligand, and the composition of the complexes participating in the equilibria, as well as their protonation and stability constants.…”
Section: Resultsmentioning
confidence: 99%
“…The results of our kinetic studies, however, show that the importance of the metal-assisted dissociation for [GdA C H T U N G T R E N N U N G (AAZTA)] À is very low and, at the low Cu 2 + and Zn 2 + concentrations indicated above, their contribution is negligible (the importance of the Zn 2 + -assisted transmetalation is generally lower than the Cu 2 + assisted one [25,26] ). By taking into account these considerations, for the reaction of [GdA C H T U N G T R E N N U N G (AAZTA)] À , the terms k Table 3, and also for [GdA C H T U N G T R E N N U N G (DTPA)] 2À , with the use of Equation (15), are shown in Table 4. By using the k (Table 4).…”
Section: H T U N G T R E N N U N G (Aazta)]mentioning
confidence: 99%
“…Binding constants have been measured for a variety of Cu(His)(L) complexes [104][105][106][107][108]. There is very little selectivity among the α amino acids for binding as the bidentate L ligand in the Cu(His)(L) complexes.…”
Section: Copper Speciationmentioning
confidence: 99%