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Characterization of dioxygenated cobalt(II)-carnosine complexes by Raman and IR spectroscopy
A Torreggiani1, P Taddei, G Fini
1Centro di Studio Interfacoltà sulla Spettroscopia Raman, Department of Biochemistry, University of Bologna, Via Belmeloro 8/2, 40126 Bologna, Italy.
Biopolymers
|February 14, 2002
Abstract:
Raman and IR studies are carried out on carnosine (beta-alanyl-L-histidine, Carnos) and its complexes with cobalt(II) at different metal/ligand ratios and basic pH. Binuclear complexes that bind molecular oxygen are formed and information regarding the O-O bridge is obtained from the Raman spectra. When the Co(II)/Carnos ratio is