Relevant bibliographies by topics / Oxovanadium sulfate

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  2. Dissertations / Theses
  3. Book chapters

Academic literature on the topic 'Oxovanadium sulfate'

Author: Grafiati
Published: 4 June 2025
Last updated: 23 June 2025

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Journal articles on the topic "Oxovanadium sulfate"

1

Sang, Ruili, Miaoli Zhu, and Pin Yang. "Triaqua(2,2′-biimidazole)oxovanadium(IV) sulfate dihydrate." Acta Crystallographica Section E Structure Reports Online 58, no. 5 (2002): m172—m175. http://dx.doi.org/10.1107/s1600536802005615.

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Hefele, Heike, Erhard Uhlemann, and Frank Weller. "Vanadiumkomplexe mit dreizähnigen diaciden Liganden. Bis[2-(2′-hydroxyphenyl)-chinolin-8-olato]dimethoxo-dioxo-divanadium(V) -ein neuer Strukturtyp/Vanadium Complexes with Tridentate Diacidic Ligands. Bis[2-(2′-hydroxyphenyl)-8-quinolinolato)dimethoxo-dioxo-divanadium (V) - a New Structure Type." Zeitschrift für Naturforschung B 52, no. 6 (1997): 693–95. http://dx.doi.org/10.1515/znb-1997-0605.

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A new binuclear vanadium( V) complex was synthesized by reaction of an aqueous oxovanadium(IV) sulfate solution with 2-(2′-hydroxyphenyl)-8-quinolinol dissolved in methanol. The molecular structure of the complex was determined by X-ray structure analysis. Crystal data: a = 10.004(3), b = 9.325(2), c = 15.089(3) Å; β = 91.95(2)°; space group P21/n, Z = 4.
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3

Abakumova, O. Y., O. V. Podobed, N. F. Belayeva, and A. I. Tochilkin. "Anticancer activity of oxovanadium compounds." Biomeditsinskaya Khimiya 59, no. 3 (2013): 305–20. http://dx.doi.org/10.18097/pbmc20135903305.

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Cytotoxic and antitumor activity of the biligand vanadyl derivative of L-malic acid (bis(L-malato)oxovanadium(IV) (VO(mal) ) was investigated in comparison with inorganic vanadium(IV) compound - vanadyl sulfate (VOSO ) and also with oxovanadium monocomplex with L-malic acid (VO(mal)) and vanadyl biscomplex with acetylacetonate. In this purpose the effect of vanadyl compounds on growth of normal human skin fibroblasts and tumor cells of different lines: mouse fibrosarcoma (L929), rat pheochromocytome (PC12), human liver carcinoma (HepG2), virus transformated mouse fibroblast (NIN 3T3), virus transformated cells of human kidney (293) were investigated. The results showed that VO(mal) was not toxic for normal human skin fibroblasts but considerably inhibited growth of cancer cells in culture. Cytotoxic antitumor effect of vanadium complexes was found to be dependent оn incubation time and concentration and on type of cells and nature of ligands of the central group of the complex (VO2+). These studies provide evidence that VO(mal) may be considered as a potential antitumor agent due to its low toxicity in non-tumor cells and significant anticancer activity.
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Sharma, M. L., A. K. Srivastava, B. P. Sharma, B. P. Marasini, O. P. Pandey, and S. K. Sengupta. "SYNTHESIS, PHYSICOCHEMICAL STUDIES AND BIOLOGICAL APPLICATIONSOF OXOVANADIUM(IV) COMPLEXES WITH SCHIFF BASES DERIVED FROM 3-PHENYL-4-AMINO-5-MERCAPTO-1, 2, 4-TRIAZOLES AND BENZIL." International Journal of Advanced Research 10, no. 04 (2022): 841–54. http://dx.doi.org/10.21474/ijar01/14621.

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A series of some mononuclear oxovanadium(IV) complexes have been synthesized by the reactions of oxovanadium(IV) sulfate with Schiff base ligands derived from 3-(phenyl / substituted phenyl)-4-amino-5-mercapto-1, 2, 4-triazoles of aromatic carboxylic acids and benzyl. The complexes were analyzed by different spectroscopic methods (FTIR, UV-Vis., EPR), X-ray diffraction (XRD) analysis, elemental analysis, conductivity measurement, and cyclic voltammetry (CV) analysis. The non-electrolytic nature of the complexes was determined on the basis of the molar conductance values. The powder X-ray diffraction pattern has also been used to determine crystal size and type. On the basis of the physicochemical data, the tentative square- pyramidal geometry of the complexes has been proposed. In vitro antibacterial andantidiabeticproperties by alpha amylase inhibition activities of the selected complexes have also been determined.
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Apostolova, R.D. "Physical-Chemical and Structural Properties of V2O5, Synthesized by Electrolysis from Metavanadate Solution and Features of Its Electrochemical Performance in Redox Reactions with Lithium." Elektronnaya Obrabotka Materialov 55 (4) (August 16, 2019): 32–37. https://doi.org/10.5281/zenodo.3369714.

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V<sub>2</sub>O<sub>5</sub> oxide was obtained in thin layers on an anode of 18Н12Х9Т stainless steel from an aqueous solution of ammonium metavanadate followed by treatment at 300 and 500&deg;C. It was investigated in the redox reaction with lithium to be compared with analogues obtained from oxovanadium sulfate solution to be used in a lithium thin layer battery. The physical-chemical and structural properties, the morphology of the surface of the deposits were determined using X-ray phase analysis, IR absorption spectroscopy, thermoanalytical study, and atomic force microscopy. Large-block deposits with a smooth surface structure precipitated from a solution of NH<sub>4</sub>VO<sub>3</sub> differ significantly from the deposits with a branched surface structure obtained from a solution of oxovanadium sulfate. The hydrated electrolysis product VO<sub>2</sub> nV<sub>2</sub>O<sub>5&nbsp;</sub>(<em>n </em>= 1&ndash;3) with the presence of NH<sub>4</sub><sup>+</sup> after high-temperature treatment is transformed into&nbsp;orthorhombic V<sub>2</sub>O<sub>5</sub>. The discharge characteristics of V<sub>2</sub>O<sub>5 </sub>in the redox reaction with lithium in a liquid-phase electrolyte 1 mole/l LiClO<sub>4</sub>, propylene carbonate, dimethoxyethane differ from those in a polymer electrolyte with a polyvinyl chloride matrix including propylene carbonate, LiN(CF<sub>3</sub>SO<sub>2</sub>)<sub>2</sub>. The discharge capacity of V<sub>2</sub>O<sub>5</sub> obtained from the metavanadate solution at the treatment <em>T</em> = 300 С (7 h) decreases in a liquid-phase electrolyte from 250 mAh/g to 110 mAh/g in the 40th cycle, while in a polymer electrolyte - from&nbsp;210 mAh/g to 100 mAh/g at an earlier cycling stage. The reversibility of the electrode process is lost at the stage of phase transition (&delta;-&gamma;) in V<sub>2</sub>O<sub>5</sub> near a voltage of 2.3 V. Annealing the deposits at 500&deg;С increases the discharge capacity of V<sub>2</sub>O<sub>5</sub> obtained from a solution of oxovanadium sulfate. The large-block structure of the deposits obtained from the metavanadate electrolyte does not allow increasing their heating to 500&deg;С due to the loss of adhesion of the deposits to the metal base. The branched structure of the deposits obtained from the solution of oxovanadium sulfate promotes their better adhesion to the base than a large-block structure of the deposits obtained from the metavanadate solution. For the usage of V<sub>2</sub>O<sub>5</sub> obtained from the metavanadate solution in the lithium battery system, it is necessary to find ways to modify the morphology of the deposit surface. V<sub>2</sub>O<sub>5 </sub>deposition in the presence of Co<sup>2+</sup> can contribute to the fragmentation of the block structure.
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6

Yuen, Violet G., J. H. McNeill, and C. Orvig. "Comparison of the glucose-lowering properties of vanadyl sulfate and bis(maltolato)oxovanadium(IV) following acute and chronic administration." Canadian Journal of Physiology and Pharmacology 73, no. 1 (1995): 55–64. http://dx.doi.org/10.1139/y95-008.

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Numerous studies, both in vitro and in vivo, have demonstrated the insulin-mimetic properties of vanadium. Chronic oral administration of inorganic and organic compounds of both vanadium(IV) and vanadium(V) reduced plasma glucose levels and restored plasma lipid levels in streptozotocin-diabetic rats. We investigated the acute effects of both vanadyl sulfate and bis(maltolato)oxovanadium(IV) (BMOV), an organic vanadium compound, on plasma glucose levels by several routes of administration. Previous studies have shown that chronic administration of vanadyl sulfate has resulted in a sustained euglycemia following withdrawal of the drug. This effect was not observed following the chronic administration of BMOV; therefore, we investigated the effect of increasing the concentration of BMOV on the production of a sustained euglycemic response. An acute plasma glucose lowering effect was obtained with both vanadyl sulfate and BMOV when administered as a single dose by either oral gavage or intraperitoneal injection. In those animals that responded to vanadium treatment, plasma glucose levels were within the normal range within 2 to 6 h when given by i.p. injection or within 4 to 8 h when given by oral gavage. BMOV-treated rats that responded to treatment maintained the euglycemic effect for extended periods, ranging from 1 to 14 weeks following administration. However, vanadyl sulfate treated rats reverted to hyperglycemia within 12 to 24 h, depending on the route of administration. Intravenous administration of BMOV was effective in lowering plasma glucose levels only when administered by continuous infusion. An oral dose – response curve showed that BMOV was 2 to 3 times as potent as vanadyl sulfate. This difference in potency was observed with both oral and intraperitoneal administration, which suggests that the increase in potency with BMOV cannot be totally attributed to increased gastrointestinal absorption. Organic chelation of vanadium may facilitate uptake into vanadium-sensitive tissues. Chronic oral administration of higher concentrations of BMOV did not result in a sustained reduction in plasma glucose following withdrawal of the drug. All diabetic rats eventually responded to increased concentrations of BMOV with a restoration of plasma glucose levels to normal values; however, reversion to the hyperglycemic state occurred within 2 days of withdrawal of treatment. Chronic oral administration of BMOV did not produce a sustained euglycemic effect following withdrawal, but acute administrations of the compound by either oral gavage or intraperitoneal injection did produce a long-term reduction in plasma glucose levels. Rats treated chronically with vanadyl sulfate remained euglycemic even after the drug was withdrawn. However, acute treatment produced only a transient euglycemia.Key words: streptozotocin diabetic, acute, bis(maltolato)oxovanadium(IV), vanadyl sulfate, dose response.
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7

Khan, M. Ishaque, Sabri Cevik, and Robert J. Doedens. "Inorganic–organic hybrids derived from oxovanadium sulfate motifs: synthesis and characterization of [VIVO(µ3-SO4)(2,2′-bpy)]∞." Chemical Communications, no. 19 (2001): 1930–31. http://dx.doi.org/10.1039/b106866k.

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8

Setyawati, I. A., K. H. Thompson, V. G. Yuen, et al. "Kinetic analysis and comparison of uptake, distribution, and excretion of 48V-labeled compounds in rats." Journal of Applied Physiology 84, no. 2 (1998): 569–75. http://dx.doi.org/10.1152/jappl.1998.84.2.569.

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Setyawati, I. A., K. H. Thompson, V. G. Yuen, Y. Sun, M. Battell, D. M. Lyster, C. Vo, T. J. Ruth, S. Zeisler, J. H. McNeill, and C. Orvig. Kinetic analysis and comparison of uptake, distribution, and excretion of48V-labeled compounds in rats. J. Appl. Physiol. 84(2): 569–575, 1998.—Vanadium has been found to be orally active in lowering plasma glucose levels; thus it provides a potential treatment for diabetes mellitus. Bis(maltolato)oxovanadium(IV) (BMOV) is a well-characterized organovanadium compound that has been shown in preliminary studies to have a potentially useful absorption profile. Tissue distributions of BMOV compared with those of vanadyl sulfate (VS) were studied in Wistar rats by using48V as a tracer. In this study, the compounds were administered in carrier-added forms by either oral gavage or intraperitoneal injection. Data analyzed by a compartmental model, by using simulation, analysis, and modeling (i.e., SAAM II) software, showed a pattern of increased tissue uptake with use of48V-BMOV compared with48VS. The highest48V concentrations at 24 h after gavage were in bone, followed by kidney and liver. Most ingested48V was eliminated unabsorbed by fecal excretion. On average, 48V concentrations in bone, kidney, and liver 24 h after oral administration of 48V-BMOV were two to three times higher than those of48VS, which is consistent with the increased glucose-lowering potency of BMOV in acute glucose lowering compared with VS.
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9

Chilas, George I., Haralampos N. Miras, Manolis J. Manos, et al. "Oxovanadium(IV)-sulfite compounds: Synthesis and structural and physical studies." Pure and Applied Chemistry 77, no. 9 (2005): 1529–38. http://dx.doi.org/10.1351/pac200577091529.

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Reaction of VIVOCl2 in strongly acidic aqueous solution with either (NH4)2SO3 or Na2SO3 and Bu4NBr at ~70°C in the pH range 2.5-4.5 gives the clusters (NH4)2{[V4IV(μ4-O)2(μ3-OH)2](VIVO)2(μ3-SO3)4O4(H2O)2} and (n-Bu4N)2{[V4IV(μ4-O)2(μ3-OH)2](VIVO)2(μ3-SO3)4O4(H2O)2}, respectively. Reaction of NH4VVO3 with (NH4)2SO3 resulted in the isolation of the first compound. When the latter reaction is carried out in the presence of MgO, compound (NH4)[VIVO(SO3)1.5H2O]∞.2.5H2O was isolated instead. Compound (n-Bu4N)2{[V4IV(μ4-O)2(μ3-OH)2](VIVO)2(μ3-SO3)4O4(H2O)2} and (NH4)[VIVO(SO3)1.5H2O]∞.2.5H2O were characterized by X-ray structure analysis. The crystal structure of species (n-Bu4N)2{[V4IV(μ4-O)2(μ3-OH)2](VIVO)2(μ3-SO3)4O4(H2O)2} revealed a unprecedented hexanuclear cluster consisting of a cubane core [M4(μ4-O)2(μ3-OH)2] connected to two other metal atoms through the core oxo-groups and four μ3-SO3 bridges. Compound (NH4)[VIVO(SO3)1.5H2O]∞.2.5H2O represents a rare example of an open-framework species prepared under mild conditions. Cyclic voltammetric examination of compound (n-Bu4N)2{[V4IV(μ4-O)2(μ3-OH)2](VIVO)2(μ3-SO3)4O4(H2O)2} revealed a redox process which was assigned to the oxidation of one core of vanadium(IV) to vanadium(V).
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10

D'Cruz, Osmond J., and Fatih M. Uckun. "Bis(4,7-dimethyl and 5-dinitro-1,10-phenanthroline) sulfato-oxovanadium(IV)-mediatedin vivo male germ cell apoptosis." Journal of Applied Toxicology 21, no. 4 (2001): 331–39. http://dx.doi.org/10.1002/jat.764.

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Dissertations / Theses on the topic "Oxovanadium sulfate"

1

Hsiang, Hsieh-Sheng, and 謝聖祥. "Asymmetric Sulfide Oxidation and Alkynyl Addition to Aldehydes Catalyzed by Tunable Oxovanadium(V) Complexes of Schiff Bases of." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/39016718696480186295.

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Book chapters on the topic "Oxovanadium sulfate"

1

Khan, M. Ishaque, Sabri Cevik, and Robert J. Doedens. "Composite Materials Derived from Oxovanadium Sulfates." In Nanostructure Science and Technology. Springer US, 2002. http://dx.doi.org/10.1007/0-306-47933-8_3.

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