http://www.cnr.it/ontology/cnr/individuo/prodotto/ID13479
Electrospray mass spectrometric studies of L-carnosine (R-alanyl-L-histidine) complexes with copper(II) or zinc ions in aqueous solution (Articolo in rivista)
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- Label
- Electrospray mass spectrometric studies of L-carnosine (R-alanyl-L-histidine) complexes with copper(II) or zinc ions in aqueous solution (Articolo in rivista) (literal)
- Anno
- 2002-01-01T00:00:00+01:00 (literal)
- Alternative label
Mineo P., Vitalini D., La Mendola D., Rizzarelli E., Scamporrino E., Vecchio G. (2002)
Electrospray mass spectrometric studies of L-carnosine (R-alanyl-L-histidine) complexes with copper(II) or zinc ions in aqueous solution
in RCM. Rapid communications in mass spectrometry
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Mineo P., Vitalini D., La Mendola D., Rizzarelli E., Scamporrino E., Vecchio G. (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
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- ISI Web of Science (WOS) (literal)
- Titolo
- Electrospray mass spectrometric studies of L-carnosine (R-alanyl-L-histidine) complexes with copper(II) or zinc ions in aqueous solution (literal)
- Abstract
- Electrospray ionization mass spectrometry (ESI-MS) was used for the
speciation of supramolecular assemblies formed between equimolar amounts
of carnosine and copper or zinc ions in dilute aqueous solutions. In the
case of pure carnosine and carnosine/copper systems, the effect of pH
changes, in the range 2-9, on the complexes surviving in solution was also
explored. ESI data, besides supporting previous reported results on the
formation of dimeric carnosine/copper and carnosine/zinc complexes,
allowed a more complete speciation of the examined systems, bringing to
light the existence of bis-complex species and, in the zinc case, the
formation of oligomeric species. The data obtained for the systems
investigated show that ESI-MS is not only a reliable and fast technique
for the analysis of the metal/ligand systems, but also an interesting tool
to obtain stoichiometric information on metal complexes formed in very low
concentration solutions. (literal)
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