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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Joshi, Rushikesh G. Vyas, Komal M. Gupta, Vivek K. Jadeja, R. N. Prabha, C. Ratna |
| Description | Country affiliation: India Author Affiliation: Vyas KM ( Department of Chemistry, Faculty of Science, The MS University of Baroda, Vadodara 390002, India.) |
| Abstract | Two neutral mononuclear Cu(II) complexes have been prepared in EtOH using Schiff bases derived from 4-toluoyl pyrazolone and thiosemicarbazide. Both the ligands have been characterized on the basis of elemental analysis, IR, (1)H NMR, (13)C NMR and mass spectral data. The molecular geometry of one of these ligands has been determined by single crystal X-ray study. It reveals that these ligands exist in amine-one tautomeric form in the solid state. Microanalytical data, Cu-estimation, molar conductivity, magnetic measurements, IR, UV-Visible, FAB-Mass, TG-DTA data and ESR spectral studies were used to confirm the structures of the complexes. Electronic absorption and IR spectra of the complexes suggest a square-planar geometry around the central metal ion. The interaction of complexes with pET30a plasmid DNA was investigated by spectroscopic measurements. Results suggest that the copper complexes bind to DNA via an intercalative mode and can quench the fluorescence intensity of EB bound to DNA. The interaction between the complexes and DNA has also been investigated by agarose gel electrophoresis, interestingly, we found that the copper(II) complexes can cleave circular plasmid DNA to nicked and linear forms. |
| ISSN | 13861425 |
| Issue Number | 1 |
| Volume Number | 84 |
| e-ISSN | 18733557 |
| Journal | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2011-12-15 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Copper Metabolism Deoxyribonucleases Pyrazolones Chemical Synthesis Schiff Bases Crystallography, X-ray Dna Electron Spin Resonance Spectroscopy Electrons Ethidium Hydrolysis Ligands Magnetic Resonance Spectroscopy Molecular Conformation Oxidation-reduction Chemistry Spectrometry, Fluorescence Spectrometry, Mass, Electrospray Ionization Spectrophotometry, Infrared Spectrophotometry, Ultraviolet Temperature Viscosity Journal Article Research Support, Non-u.s. Gov't Discipline Spectroscopy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Spectroscopy Atomic and Molecular Physics, and Optics Analytical Chemistry Instrumentation |
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