Browsing by Subject "Vanadium"
Now showing items 1-16 of 16
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Article
Beneficial effects of a vanadium complex with cysteine, administered at low doses on benzo(α) pyrene-induced leiomyosarcomas in wistar rats
(1998)Background: Vanadium is a potent environmental and body metal, possessing remarkable antitumor and antidiabetic properties. Vanadium salts and complexes have been widely investigated for their anticarcinogenic properties ...
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Article
Donor atom electrochemical contribution to redox potentials of square pyramidal vanadyl complexes
(2015)A simple donor atom additivity relationship has been used to calculate the donor atom electrochemical contribution (DEC) of the Oac (acetylacetonate-enolic oxygen), OPh (phenolic oxygen), SPh (mercaptophenol sulfur), Nam ...
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Article
Investigation of the synthesis and properties of ternary V-Cu-Ce Oxides of Composition VxCuxCe1-2xO2
(2009)Aco-precipitation method has been used to prepare ternary mixed oxides based on ceria with the general formula VxCuxCe 1-2xO2, where x was varied between 0.05 and 0.45. The structural and surface properties as well as the ...
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Article
Model investigations for vanadium-protein interactions: Vanadium(III) compounds with dipeptides and their oxovanadium(IV) analogues
(2002)The reaction of VCl3 with 1,10-phenanthroline and a series of dipeptides (H2dip), having aliphatic as well as aromatic side chains, in methyl alcohol and in the presence of triethylamine affords vanadium(III) compounds of ...
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Article
Monomeric compounds containing the cis-[V(=O)(OH)]+ core
(2002)HYSCORE with a vanadium core: Examples of monomeric metal compounds containing the cis-[M(=O)(OH)]n+ unit, namely the VIVO2+ complexes [VIVO(OH)(bipy)2]BF4 (1
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A new class of ferromagnetically-coupled mixed valence vanadium(IV/V) polyoxometalates
(2003)Reaction of [VVIOCl2(thf)2] with a bidentate nitrogen-donor ligand (L: phen = 1,10-phenanthroline, 5-mephen = 5-methyl-1,10-phenanthroline, bipy = 2,2′-bipyridine, 5,5′-me2bipy = 5,5′-dimethyl-2,2′-bipy) in methyl alcohol, ...
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NMR characterization and dynamics of vanadium(V) complexes with tripod (hydroquinonate/phenolate) iminodiacetate ligands in aqueous solution
(2009)Reaction of NH4VO3 with (phenolate/hydroquinonate) iminodiacetate tripod ligands in aqueous solution in the pH range 7-8 results in the isolation of three new dioxido vanadium(V) complexes, one dinuclear (NH4)4{(VVO)2[μ- ...
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Article
Room temperature synthesis and high temperature frictional study of silver vanadate nanorods
(2010)We report the room temperature (RT) synthesis of silver vanadate nanorods (consisting of mainly β-AgVO3) by a simple wet chemical route and their frictional study at high temperatures (HT). The sudden mixing of ammonium ...
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Synthesis, characterization of dinuclear vanadium(III) hydroquinonate- iminodiacetate complexes
(2014)A new VIII complex (1) of 2,5-bis[N,N-bis(carboxymethyl) aminomethyl]hydroquinone (bicah6-) was synthesized by reaction of H6bicah with two equivalents of VCl3 and six equivalents of base in aqueous solution. Crystallographic ...
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Article
Synthetic analogues for oxovanadium(IV) - Glutathione interaction: An EPR, synthetic and structural study of oxovanadium(IV) compounds with sulfhydryl-containing pseudopeptides and dipeptides
(1999)Valuable analogues of the VIVO2+ - glutathione complex have been synthesized and characterized. The reaction of [VIVO(CH3COO)2(phen)] (phen = 1,10-phenanthroline) with the sulfhydryl-containing pseudopeptides (scp) ...
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Article
Textured VN coatings with Ag3VO4 solid lubricant reservoirs
(2011)Silver oxovanadate powders were produced using a low temperature hydrothermal synthesis method. X-ray diffraction (XRD) and Raman microscopy revealed the formation of the α-Ag3VO4 phase, and differential scanning calorimetry ...
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Vanadium chemistry and biochemistry of relevance for use of vanadium compounds as antidiabetic agents
(1995)The stability of 11 vanadium compounds is tested under physiological conditions and in administration fluids. Several compounds including those currently used as insulin-mimetic agents in animal and human studies are stable ...
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Article
Vanadium(iv/v)-p-dioxolene temperature induced electron transfer associated with ligation/deligation of solvent molecules
(2013)Reaction of an aqueous solution of NaVO3 or a methanol solution of [VO(acac)2] with 2,5-bis((bis(2-hydroxyethyl)amino)methyl) hydroquinone, H6bdeah, results in the formation of two major vanadium species characterized by ...
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Doctoral Thesis Open Access
Δομή και δραστικότητα σιλανο-αμινοαλκοολών με σύμπλοκα οξοβαναδίου και βορίου σε υδατικό διάλυμα
(Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2006-06)Οι αντιδράσεις βαναδικών και βορικών με τα καρβασιλατράνια μέθοξυ{N,N',Ν''-2,2',3-[δις(1-μεθυλαιθανολατο)(προπυλο)]αμινο}πυρίτιο (12), s,s-μέθοξυ{N,N',Ν''-2,2',3-[δις(1-μεθυλαιθανολατο) (προπυλο)]αμινο}πυρίτιο (s,s-12), ...
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Doctoral Thesis Open Access
Σύνθεση και δραστικότητα συμπλοκών του ουρανίου, του βαναδίου και του χαλκού με τριαζινικούς και αμιδικούς υποκαταστάτες
(Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2019-10)Στην παρούσα διδακτορική εργασία μελετήθηκαν η εκλεκτική συμπλοκοποίηση του ουρανίου από τριαζινικούς υποκαταστάτες και η ενεργοποίηση του οξυγόνου από αμιδικά και τριαζινικά πυριμιδικά σύμπλοκα του χαλκού και του βαναδίου. ...
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Doctoral Thesis Open Access
Σύνθεση και χαρακτηρισμός βιολογικά ενεργών οξειδοαναγωγικών συμπλόκων βαναδίου με πολυφαινολικούς υποκαταστάτες
(Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2017-05)Στην εργασία αυτή αναπτύχθηκαν νέες μέθοδοι ανάλυσης των πολυφαινολών, συντέθηκαν νέες μεταλλοπολυφαινολικές ενώσεις μοντέλα για τη μελέτη των μεταβολικών μονοπατιών των πολυφαινολών στα τρόφιμα και στους βιολογικούς ...