The interaction of the europium complex with human serum albumin

Investigation of proteins interactions with luminescent europium complex is interesting for the practical task of sensitive protein detection, as well as to study fundamental problems of peptide-lanthanide interplay. Presented work is devoted to examine the spectroscopic properties of europium complex (europium trinitrate (2,2'-bipyridyl-6,6'- dikarbonilazandiil)tetrakis (methylene) phosphonate) and to study its interaction with human serum albumin using various spectroscopic techniques. This complex has unique optical ability such as high values of the phosphorescence intensity in aqueous solutions, which exceeds the intensity of many other known coordination complexes of rare earth elements.