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- W2074749108 abstract "Abstract A novel palladium(II) complex has been synthesized with hexyldithiocarbamate (Hex-dtc) and 1,10-phenanthroline (phen) by the reaction of [Pd(phen)(H2O)2](NO3)2 with sodium salt of hexyldithiocarbamate and a complex of type [Pd(Hex-dtc) (phen)]NO3 has been obtained. The complex has been characterized by elemental analysis, molar conductance, 1H NMR, IR and electronic spectroscopic studies. The dithiocarbamate ligand acts in bidentate fashion. This water-soluble complex was screened against chronic myelogenous leukemia cell line, K562, for cytotoxic effects and showed significant antitumor activity much lower than that of cisplatin. The interaction of this complex with calf thymus DNA (ctDNA) was extensively investigated by a variety of spectroscopic techniques. Absorbance titration experiments imply the interaction of 4 Pd(II) complex molecules per 1000 nucleotides on DNA with positive cooperativity in the binding process and the complex denature the DNA at very low concentration (∼14.3 μM). Fluorescence titration spectra and fluorescence Scatchard plots suggest that the Pd(II) complex intercalate in DNA. The gel chromatograms obtained from Sephadex G-25 column experiments showed that the binding of metal complex with DNA is so strong that it does not readily break. Furthermore, some thermodynamic and binding parameters found in the process of UV-Visible studies are described. They may provide specificity of the compound with ctDNA." @default.
- W2074749108 created "2016-06-24" @default.
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- W2074749108 date "2011-04-01" @default.
- W2074749108 modified "2023-09-25" @default.
- W2074749108 title "Study on Interaction of DNA from Calf Thymus with 1,10-phenanthrolinehexyldithiocarbamatopalladium(II) nitrate as Potential Antitumor Agent" @default.
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- W2074749108 doi "https://doi.org/10.1080/07391102.2011.10508608" @default.
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