New highly sensitive voltammetric DNA-sensors have been developed for the detection of cytostatic drug doxorubicin based on Azure A electropolymerized various carbon nanomaterials, i.e., functionalized multi-walled nanotubes (fMWCNTs) and black (CB). Carbon materials promote electropolymerization dye applied as a matrix DNA molecules saturated with methylene blue (MB) molecules. Interaction int...

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A b s t r a c t . Oligonucleotides can be designed to bind to oligopurine.oligopyrimidine sequences of double-helical DNA. Binding occurs in the major groove and a triple helix is formed. Bifunctional oligonucleotide-intercalator conjugates have an increased affinity due to intercalation either at the triplex-duplex junction or within the triple-helical structure. Some intercalating agents can ...

A mononuclear complex of Zn(II), [Zn(DIP)(2) (DMP)] (NO(3))(2)·2H(2)O in which DIP is 4,7-diphenyl-1,10-phenanthroline and DMP is 4,4'-dimethyl-2,2'-bipyridine has been prepared and characterized by (1)HNMR spectroscopy, FT-IR, UV-Vis and elemental analysis techniques. DNA-binding properties of the complex were studied using UV-vis spectra, circular dichroism (CD) spectra, fluorescence, cyclic ...