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- W2077990468 abstract "Two new complexes, [Co(L)2]Cl·(MeOH)2 (1) and [Ni(L)2]4·EtOH (2) (L = (E)-2-(amino((pyridin-2-ylmethylene)amino)methylene)maleonitrile), were synthesized and characterized by X-ray crystallography, IR, UV, and fluorescence spectroscopy. According to X-ray crystallographic studies, each metal was six-coordinate with six nitrogens from two ligands. Both complexes form two-dimensional supramolecular networks via hydrogen bonding and π–π interactions. Ultraviolet and visible spectra showed that absorptions arise from π–π ∗, MLCT, and d–d electron transitions. Fluorescence spectroscopy revealed moderate intercalative binding of these two complexes with EB–DNA, with apparent binding constant (K app) values of 9.14 × 105 and 3.20 × 105 M−1 for Co(III) and Ni(II) complexes, respectively. UV–visible absorption spectra showed that the absorption of DNA at 260 nm was quenched for 2 but quenched then improved for 1 with addition of complexes, tentatively attributed to the effect of the combined intercalative binding and electrostatic interaction for 1." @default.
- W2077990468 created "2016-06-24" @default.
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- W2077990468 date "2013-06-21" @default.
- W2077990468 modified "2023-09-25" @default.
- W2077990468 title "Synthesis, structure, spectroscopic, and DNA binding properties of Co(III) and Ni(II) complexes with ((E)-2-(amino((pyridin-2-ylmethylene)amino)methylene)maleonitrile)" @default.
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- W2077990468 doi "https://doi.org/10.1080/00958972.2013.807341" @default.
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