DIVALENT TRANSITION METAL ION MIXED-LIGAND COMPLEXES OF TRICINE OR GLYCYLGLYCINE AND 8-HYDROXYQUINOLINE: SYNTHESIS, CHARACTERIZATION, AND FORMATION CONSTANTS

2002 ◽  
Vol 32 (6) ◽  
pp. 981-1000 ◽  
Author(s):  
A. A. A. Boraei ◽  
I. T. Ahmed
Keyword(s):  
Transition Metal ◽  
Metal Ion ◽  
Formation Constants ◽  
Mixed Ligand ◽  
Mixed Ligand Complexes ◽  
Transition Metal Ion

Studies on the Mixed Ligand Complexes Involving Ligands of Biological Importance (Ni(II)/Zn(II)/Cd(II)-1,10-phenanthroline-2,2′ -bipyridyl-phenylalanine)

1977 ◽  
Vol 32 (4) ◽  
pp. 426-429 ◽  
Author(s):  
G. S. Malik ◽  
S. P. Singh ◽  
J. P. Tandon
Keyword(s):  
Ionic Strength ◽  
Metal Ion ◽  
Formation Constants ◽  
Ternary Complexes ◽  
Mixed Ligand ◽  
Mixed Ligand Complexes ◽  
Biological Importance

pH-metric studies on the interaction of Ni(II), Zn(II) or Cd(II) with 1,10-phenanthroline (Phen) or 2,2′-bipyridyl (Bipy) in the presence of phenylalanine (Phe) indicate the formation of 1:1:1 mixed ligand chelates and their monohydroxo derivatives. The addition of Phe takes place after the combination of Phen or Bipy with the metal ion is complete. The formation constants of the resulting complexes have been determined at 30 ± 1 °C and ionic strength (µ) = 0.1 KNO3 and the ternary complexes involving Phen are found to be more stable than the corresponding complexes involving Bipy as primary ligand.

Transition-metal ion-mediated morphological transformation of pyridine-based peptide nanostructures

2021 ◽  
Vol 45 (1) ◽  
pp. 153-161
Author(s):  
Narendra Singh ◽  
Ramesh Singh ◽  
Swati Sharma ◽  
Khushboo Kesharwani ◽  
Khashti Ballabh Joshi ◽  
...  
Keyword(s):  
Transition Metal ◽  
Metal Ion ◽  
Chemical Structure ◽  
Morphological Transformation ◽  
Transition Metal Ion

Pyridine-mediated constitutionally isomeric artificial metallopeptides possess remarkable advantages over the natural counterparts mainly due to their tailor-made chemical structure.

scholarly journals Comparison of divalent transition metal ion paraCEST MRI contrast agents

2013 ◽  
Vol 19 (2) ◽  
pp. 191-205 ◽  
Author(s):  
Sarina J. Dorazio ◽  
Abiola O. Olatunde ◽  
Pavel B. Tsitovich ◽  
Janet R. Morrow
Keyword(s):  
Transition Metal ◽  
Contrast Agents ◽  
Metal Ion ◽  
Mri Contrast Agents ◽  
Transition Metal Ion ◽  
Mri Contrast
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