Synthesis, characterization, antibacterial activity, SOD mimic and interaction with DNA of drug based copper(II) complexes

被引：36

作者：

Patel, Mohan N. ^{[1
]}

Dosi, Promise A. ^{[1
]}

Bhatt, Bhupesh S. ^{[1
]}

Thakkar, Vasudev R. ^{[2
]}

机构：

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

[2] Sardar Patel Univ, BRD Sch Biosci, Vallabh Vidyanagar 388120, Gujarat, India

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2011年 / 78卷 / 02期

关键词：

Enrofloxacin; Antibacterial activity; DNA interaction; Salt effect; IC50; MIXED-LIGAND COMPLEXES; CRYSTAL-STRUCTURE; RUTHENIUM(II) COMPLEXES; BINDING; CLEAVAGE; CU(II); 1,10-PHENANTHROLINES; INHIBITION; ACID;

D O I：

10.1016/j.saa.2010.11.056

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Novel metal complexes of the second-generation quinolone antibacterial agent enrofloxacin with copper(II) and neutral bidentate ligands have been prepared and characterized with elemental analysis reflectance, IR and mass spectroscopy. Complexes have been screened for their in-vitro antibacterial activity against two Gram((+ve)) Staphylococcus aureus. Bacillus subtilis, and three Gram((-ve)) Serratia marcescens, Escherichia coli and Pseudomonas aeruginosa organisms using the double dilution technique. The binding of this complex with CT-DNA has been investigated by absorption titration, salt effect and viscosity measurements. Binding constant is ranging from 1.3 x 10(4)-3.7 x 10(4). The cleavage ability of complexes has been assessed by gel electrophoresis using pUC19 DNA. The catalytic activity of the copper(II) complexes towards the superoxide anion (O-2(center dot-)) dismutation was assayed by their ability to inhibit the reduction of nitroblue tetrazolium (NBT). (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：763 / 770

页数：8

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