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Issue 42, 2014
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DMSO containing ruthenium(II) hydrazone complexes: in vitro evaluation of biomolecular interaction and anticancer activity

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Abstract

Synthesis, spectral, electrochemical and single crystal X-ray diffraction data of a new series of DMSO containing bivalent ruthenium hydrazone complexes are presented. XRD data of two of the new complexes revealed an octahedral coordination around the ruthenium ion satisfied by NOS2Cl2 atoms. Electrochemical studies showed the metal centred, quasi-reversible, one-electron redox behaviour of the new complexes. The binding of these complexes with biomolecules such as calf thymus DNA (CT-DNA) and bovine serum albumin (BSA) protein investigated by different spectrophotometric methods revealed an intercalative mode of interaction. The in vitro cytotoxicity of these complexes evaluated by the MTT assay on a panel of cancer and normal cell lines indicated that the above complexes are more toxic to cancer cells with a few micromolar concentrations as the IC50 value, but are significantly less toxic to normal cell lines. The observed variations in the binding interactions and cytotoxicity of the complexes were attributed to the nature of the hydrazide moiety of the hydrazones that influences their biological activities.

Graphical abstract: DMSO containing ruthenium(ii) hydrazone complexes: in vitro evaluation of biomolecular interaction and anticancer activity

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Publication details

The article was received on 07 Apr 2014, accepted on 24 Aug 2014 and first published on 16 Sep 2014


Article type: Paper
DOI: 10.1039/C4DT01032A
Citation: Dalton Trans., 2014,43, 15829-15840
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    DMSO containing ruthenium(II) hydrazone complexes: in vitro evaluation of biomolecular interaction and anticancer activity

    M. Alagesan, P. Sathyadevi, P. Krishnamoorthy, N. S. P. Bhuvanesh and N. Dharmaraj, Dalton Trans., 2014, 43, 15829
    DOI: 10.1039/C4DT01032A

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