Cytotoxic, antibacterial, DNA interaction and superoxide dismutase like activities of sparfloxacin drug based copper(II) complexes with nitrogen donor ligands

被引：51

作者：

Patel, Mohan N. ^{[1
]}

Joshi, Hardik N. ^{[1
]}

Patel, Chintan R. ^{[1
]}

机构：

[1] Sardar Patel Univ, Dept Chem, Vallabh Vidyanagar 388120, Gujarat, India

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2013年 / 104卷

关键词：

Cytotoxicity; DNA cleavage; Sparfloxacin; DNA binding; IC50; COBALT(III) POLYPYRIDYL COMPLEXES; N-PROPYL-NORFLOXACIN; BIOLOGICAL-ACTIVITY; METAL-COMPLEXES; CRYSTAL-STRUCTURE; CU(II) COMPLEXES; SCHIFF-BASE; BINDING; INTERCALATION; HYDROLYSIS;

D O I：

10.1016/j.saa.2012.11.045

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

The novel neutral mononuclear copper(II) complexes with fluoroquinolone antibacterial drug, sparfloxacin and nitrogen donor heterocyclic ligand have been synthesized and characterized. An antimicrobial efficiency of the complexes has been tested against five different microorganisms and showed diverse biological activity. The interaction of complex with Herring sperm (HS) DNA was investigated using viscosity titration and absorption titration techniques. The results indicate that the complexes bind to DNA by intercalative mode and have rather high DNA-binding constants. DNA cleavage study showed better cleaving ability of the complexes compare to metal salt and standard drug. All the complexes showed good cytotoxic activity with LC50 values ranging from 4.89 to 11.94 mu g mL(-1). Complexes also exhibit SOD-like activity with their IC50 values ranging from 0.717 to 1.848 mu M. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：48 / 55

页数：8

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