Publication: New water-soluble copper (II) complexes including 4,7-dimethyl-1,10-phenanthroline and l-tyrosine: Synthesis, characterization, DNA interactions and cytotoxicities
Date
Authors
İnci, Duygu
Aydın, Rahmiye
Yılmaz, Dilek
Gençkal, Hasene Mutlu
Vatan, Özgür
Çinkiliç, Nilüfer
Authors
Zorlu, Yunus
Advisor
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Pergamon-Elsevier
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Abstract
Two new water-soluble copper(II) complexes, [Cu(dmphen)(2)(NO3)]NO3 (1), [Cu(dmphen)(tyr)(H2O)] NO3 center dot H2O (2) and the diquartemary salt of dmphen (dmphen = 4,7-dimethyl-1,10-phenanthroline and tyr = L-tyrosine), have been synthesized and characterized by elemental analysis, H-1 NMR, C-13 NMR and IR spectroscopy, thermal analysis and single crystal X-ray diffraction techniques. The CT-DNA binding properties of these compounds have been investigated by absorption, emission spectroscopy and thermal denaturation measurements. The supercoiled pBR322 plasmid DNA cleavage activity of these compounds has been explored by agarose gel electrophoresis. The cytotoxicity of these compounds against MCF-7, Caco-2, A549 cancer cells and BEAS-2B healthy cells was also studied by the XTT method. Complexes 1 and 2 exhibit significant cytotoxicity, with lower IC50 values than those of cisplatin.
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Keywords
4,7-Dimethyl-1,10-phenanthroline, Copper(II), Cytotoxicity, DNA binding and cleavage, l-tyrosine, Single crystal, X-ray diffraction, Mixed-ligand complexes, Crystal-structure, Weak-interactions, Ruthenium(II) complexes, Binding properties, Cleavage, Photocleavage, 1,10-phenanthroline, Fluorescence, Stabilities, Spectroscopy, Amino acids, Binding energy, Complexation, Copper, Cytotoxicity, DNA, Electrophoresis, Emission spectroscopy, Nuclear magnetic resonance spectroscopy, Platinum compounds, Single crystals, Synthesis (chemical), Thermoanalysis, X ray diffraction, 4,7-Dimethyl-1,10-phenanthroline, Agarose gel electrophoresis, DNA binding and cleavages, DNA-binding properties, l-Tyrosine, Single crystal x-ray diffraction, Thermal denaturations, Water-soluble copper, Copper compounds
Citation
İnci, D. vd. (2015). "New water-soluble copper (II) complexes including 4,7-dimethyl-1,10-phenanthroline and l-tyrosine: Synthesis, characterization, DNA interactions and cytotoxicities". Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 136 (Part B), 761-770.