Synthesis, characterization and DNA-binding studies of 2-carboxybenzaldehydeisonicotinoylhydrazone and its La(III), Sm(III) and Eu(III) complexes

Wang Y; Wang Y; Yang ZY

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Synthesis, characterization and DNA-binding studies of 2-carboxybenzaldehydeisonicotinoylhydrazone and its La(III), Sm(III) and Eu(III) complexes

机译：2-羧基苯甲醛异烟酰胺基yl及其La（III），Sm（III）和Eu（III）配合物的合成，表征和DNA结合研究

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2-Carboxybenzaldehydeisonicotinoylhydrazone (HL), and its three lanthanide complexes, LnL(3)(.)4H(2)O [Ln = La(1), Sm(2), Eu(3)], have been synthesized and characterized on the basis of elemental analyses, molar conductivities, IR spectra and thermal analyses. In addition, the DNA-binding properties of the ligand and its complexes have been investigated by absorption, fluorescence and viscosity measurements. The experimental results indicated that the complexes (2) and (3) can bind to DNA, but the ligand and the complex (1) cannot; the binding affinity of the complex (3) is higher than that of the complex (2) and the intrinsic binding constant K-b of the complex (3) is 7.86 x 10(4) M-1. (c) 2006 Elsevier B.V. All rights reserved.

机译：已经合成并表征了2-羧基苯甲醛异烟酸酰hydr（HL）及其三个镧系元素络合物LnL（3）（。）4H（2）O [Ln = La（1），Sm（2），Eu（3）]元素分析，摩尔电导率，红外光谱和热分析的基础。另外，已经通过吸收，荧光和粘度测量研究了配体及其配合物的DNA结合特性。实验结果表明，配合物（2）和（3）可以结合DNA，但配体和配合物（1）不能结合;而配体（1）不能结合。配合物（3）的结合亲和力高于配合物（2），并且配合物（3）的固有结合常数K-b为7.86×10（4）M-1。（c）2006 Elsevier B.V.保留所有权利。

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《Spectrochimica acta, Part A. Molecular and biomolecular spectroscopy》 |2007年第2期|共6页
作者
Wang Y; Wang Y; Yang ZY;
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正文语种 eng
中图分类分析化学;
关键词
synthesis; lanthanide; complexes; DNA-binding studies; 2-carboxybenzaidehydeisonicotinoylhydrazone; TRANSITION-METAL-COMPLEXES; RARE-EARTH COMPLEXES; ISONICOTINOYL HYDRAZONE; CRYSTAL;

机译：合成;镧系元素;配合物;DNA结合研究;2-羧基苯甲酰亚氨基异烟酰酰hydr;过渡金属配合物;稀土配合物;异烟酰胺基;晶体;

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Synthesis, characterization and DNA-binding studies of 2-carboxybenzaldehydeisonicotinoylhydrazone and its La(III), Sm(III) and Eu(III) complexes

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