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Synthesis, crystal structure, solid-state fluorescence, and interaction with DNA of mononuclear La(III) complex: La(Phen)2L2(NO3)

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A mononuclear complex, La(Phen)2L2(NO3) (Phen = 1,10-phenanthroline, L = 2-ethylphenylacetic acid), was synthesized by the reaction of La(NO3)3┬ĚH2O, Phen and L at room temperature. The central ion shows 10-coordination with two Phen and two L molecules. Elemental analysis, IR spectra, and X-ray single-crystal diffraction were carried out to determine the composition and crystal structure. Solid fluorescence shows the luminescent properties of the complex. DNA-binding properties of the complex were examined by fluorescence spectra. The capability of cleavage of pBR322 DNA by the complex was investigated by agarose gel electrophoresis, showing cleaving efficiency.
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Keywords: DNA; Gel electrophoresis; Lanthanum complex

Document Type: Research Article

Affiliations: International Key Laboratory of Shenyang Inorganic Molecule-based Chemical, Department of Coordination Chemistry, Shenyang University of Chemical Technology, Shenyang, China

Publication date: June 18, 2014

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