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The interaction between praseodymium complex [Pr(C18H22.5N2O4)2] and bovine serum albumin (BSA) under physiological condition was investigated by fluorescence spectrum. The quenching mechanism of fluorescence was suggested as static quenching according to the Steru-Volmer equation. The binding constants between Pr(III) complex and BSA were 7.31×104L·mol−1(291K), and the binding sites were 1. The thermodynamic...
The interaction of rare earth complex [Er(C18H22.5N2O4)2] and bovine serum albumin (BSA) under physiological condition was studied by fluorescence spectrum. The experiment demonstrated that the fluorescence quenching of BSA by Er(III) complex is a result of the formation of ground state complex and the quenching mechanism is mainly static quenching. The corresponding binding constants between Er(III)...
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