ChemInform Abstract: Stability Constants for Hypochloritoborate and Hypobromitoborate Complex Ions in Aqueous Solution.

ChemInform ◽  
1987 ◽  
Vol 18 (27) ◽  
Author(s):  
A. BOUSHER ◽  
P. BRIMBLECOMBE ◽  
D. MIDGLEY
Keyword(s):  
Aqueous Solution ◽  
Stability Constants ◽  
Complex Ions

Specificity in the interaction between poly(L-glutamate) and iron (III) complex ions in aqueous solution

Biopolymers ◽  
1976 ◽  
Vol 15 (11) ◽  
pp. 2219-2226 ◽  
Author(s):  
M. Branca ◽  
M. E. Marini ◽  
B. Pispisa
Keyword(s):  
Aqueous Solution ◽  
Complex Ions

scholarly journals Estimation of Small Stability Constants in Aqueous Solution. The Nickel(II)--Bromide System.

1990 ◽  
Vol 44 ◽  
pp. 401-403
Author(s):  
Jannik Bjerrum ◽  
Werner Wilhelmsen ◽  
K. Grjotheim ◽  
Lev V. Vilkov ◽  
Hans V. Volden ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Stability Constants

scholarly journals Copper(II)-complexation by non enzymatically glycated peptides

2004 ◽  
Vol 22 (SI - Chem. Reactions in Foods V) ◽  
pp. S106-S108
Author(s):  
S. T Seifert ◽  
R. Krause ◽  
K. Gloe ◽  
T. Henle
Keyword(s):  
Aqueous Solution ◽  
Metal Ions ◽  
Stability Constants ◽  
Maillard Reaction ◽  
Metal Binding ◽  
Maillard Reaction Products ◽  
Reaction Products ◽  
Nonenzymatic Glycation ◽  
The Stability

The purpose of our work was to examine the metal binding abilities of selected peptide bound Maillard reaction products (MRPs). The N<sup>α</sup>-hippuryl-protected MRPs N<sup>ε</sup>-fructoselysine and N<sup>ε</sup>-carboxymethyllysine were synthesised and measurement of stability constants for complexes formed with the physiologically important metal ions copper(II) and zinc(II) was carried out in aqueous solution (T = 298.1 K; I = 0.1M KNO<sub>3</sub>) using pH-potentiometry. The stability constants of N<sup>ε</sup>-fructoselysine and N<sup>ε</sup>-carboxymethyllysine with Cu(II) proved that new coordination centres are formed by the nonenzymatic glycation of proteins. With zinc(II) no complexation was observed. Physiological consequences are discussed, but further studies are necessary in order to clarify the effects of this phenomenon.

Polarographic Study of the Complexation of Na+ and K+ Ions by Dibenzo-18-crown-6 in Non-Aqueous Solution

1990 ◽  
Vol 43 (12) ◽  
pp. 2003 ◽  
Author(s):  
E Lada ◽  
A Urbanczyk ◽  
MK Kalinowski
Keyword(s):  
Aqueous Solution ◽  
Stability Constants ◽  
Polarographic Study

Complexes of Na+ and K+ ions with dibenzo-18-crown-6 (6,7,9,10,17,18,20,21-octahydro-dibenzo[ b,k ] [1,4,7,10,13,16] hexaoxacyclooctadecin ) were studied by polarography in several non-proton-donating media. Their stability constants are strongly influenced by the solvents, and vary inversely with the Gutmann donicity scale and with the Persson HDS parameter which is a measure of the hardness for these solvents.

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