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Showing 1-30 of 37 results for "10028" within Papers
Simona Nica et al.
Journal of inorganic biochemistry, 147, 193-203 (2015-03-10)
The Schiff-base ligand (H2salhyhNH3)Cl (1) derived from salicylaldehyde and 6-aminohexanoic acid hydrazide hydrochloride reacts with ammonium metavanadate in methanol solution to yield the dioxidovanadium(V) complex [VO2(salhyhNH3)] (2). The utilized hydrazone ligand contains a flexible and protonated amino side chain. Crystallization
H K Parsadanian et al.
Neurotoxicology, 19(4-5), 561-564 (1998-09-24)
Vanadium and its derivatives are the well-known environmental pollutants. We obtained that ammonium vanadate suppressed the alkaline (AlP) and acid (AcP) phosphatases activity in the variety of tissues. Vanadate inhibited the enzymes that take part in phosphoryl transfer reactions. Successive
F Heath Damron et al.
Journal of bacteriology, 195(18), 4020-4036 (2013-06-25)
Pseudomonas aeruginosa is an opportunistic pathogen that can adapt to changing environments and can secrete an exopolysaccharide known as alginate as a protection response, resulting in a colony morphology and phenotype referred to as mucoid. However, how P. aeruginosa senses
Kazuo Kobayashi et al.
Toxicology, 228(2-3), 162-170 (2006-09-22)
Metallothionein (MT) is a low-molecular-weight cysteine-rich protein which has a high affinity for metals. The synthesis of MT is induced by heavy metals such as cadmium and zinc. However, little is known about the induction of MT by tetravalent or
Jean P Gaffney et al.
Biochemistry, 48(49), 11609-11611 (2009-11-20)
Some ascidians sequester vanadium and other metal ions that are bound and transported in higher organisms by transferrin. The ascidian Ciona intestinalis has a monolobal transferrin (nicatransferrin) in its plasma. The binding of vanadium(V) to nicatransferrin was investigated by using
W Ding et al.
Biological trace element research, 80(2), 159-174 (2001-07-05)
The glucose-lowering effect of vanadate, ammonium metavanadate (AMV), on diabetic KK mice was examined. Five-week-old male KK mice were administrated with a solution of AMV via drinking water at concentrations of vanadium (V) with 0.1, 1.0, 10 and 100 microg/mL
Tridib Chakraborty et al.
Biochimica et biophysica acta, 1772(1), 48-59 (2006-12-19)
Carcinogen-induced formation of DNA adducts and other types of DNA lesions are the critical molecular events in the initiation of chemical carcinogenesis and modulation of such events by chemopreventive agents could be an important step in limiting neoplastic transformation in
Diptipriya Sethi et al.
Journal of photochemistry and photobiology. B, Biology, 144, 68-74 (2015-03-03)
Vanadia modified titania (V₂O₅/TiO₂) photo-catalysts are prepared by incipient wet impregnation method using aqueous ammonium metavanadate and anatase (Aldrich) titania. Titania with various loading concentrations of vanadia from 0 to 10 wt.% have been prepared and characterized by X-ray diffraction
Flow injection method for the assay of phenothiazine neuroleptics in pharmaceutical preparations using ammonium metavanadate.
Sultan SM.
Analyst, 116(2), 177-181 (1991)
Ghada Abdelhamid et al.
Toxicology in vitro : an international journal published in association with BIBRA, 24(6), 1554-1561 (2010-07-06)
Recent studies demonstrated the carcinogenicity and the mutagenicity of vanadium compounds. In addition, vanadium (V(5+)) was found to enhance the effects of other genotoxic agents. However, the mechanism by which V(5+) induce toxicity remain unknown. In the current study we
Wiesława Misiuk
Pakistan journal of pharmaceutical sciences, 19(2), 87-94 (2006-06-06)
Simple and sensitive UV-VIS spectrophotometric methods for the determination of chlorprothixene hydrochloride have been developed. One of them is based on the oxidation of chlorprothixene (CPT) by ammonium metavanadate with the formation of colourless product. The second method involves the
Z Zhou et al.
The Journal of biological chemistry, 274(26), 18503-18514 (1999-06-22)
Two-thirds of the lipid A in wild-type Escherichia coli K12 is a hexa-acylated disaccharide of glucosamine in which monophosphate groups are attached at positions 1 and 4'. The remaining lipid A contains a monophosphate substituent at position 4' and a
W Misiuk
Journal of pharmaceutical and biomedical analysis, 22(1), 189-196 (2000-03-22)
Simple and sensitive method for determination of imipramine and desipramine is reported. The procedure is based on the oxidation of the drugs by ammonium metavanadate. Linear calibration graphs were obtained in the concentration range 0.6-40 microg ml(-1) of imipramine and
[Vanadium poisoning].
S Khiar et al.
Annales francaises d'anesthesie et de reanimation, 29(10), 739-740 (2010-08-24)
Wei Cui et al.
Biological trace element research, 146(1), 59-67 (2011-10-01)
The purpose of this 42-day study was to investigate the apoptosis in the bursa of Fabricius induced by different levels of dietary vanadium. A total of 420 1-day-old avian broilers were divided into 6 groups in which there were 7
Kangping Wang et al.
Biological trace element research, 147(1-3), 113-119 (2011-11-26)
The purpose of this 42-day study was to examine the effect of dietary vanadium on the ileac T cells and contents of cytokines including interleukin-2 (IL-2), interleukin-6 (IL-6), and interferon-gamma (IFN-γ) in broilers by flow cytometry and enzyme-linked immunosorbent assay.
Gulnoza Usmanova et al.
International journal of environmental research and public health, 17(22) (2020-11-15)
The evolving field of mobile health (mHealth) is revolutionizing collection, management, and quality of clinical data in health systems. Particularly in low- and middle-income countries (LMICs), mHealth approaches for clinical decision support and record-keeping offer numerous potential advantages over paper
J Cardozo
Investigacion clinica, 39 Suppl 1, 49-53 (1998-07-03)
Far as it is known to us, there is only one report in the medical literature dealing with the teratogenous effect of vanadium on neural structures (1): while trying to experimentally induce anencephaly in the offsprings of swiss-albino mice through
M D Cohen et al.
Mutation research, 269(1), 141-148 (1992-09-01)
Ammonium metavanadate yielded a dose-dependent increase in mutation frequency at the V79 hprt locus following a 24-h exposure period in serum-free F12 medium. Vanadate also increased the mutation frequency of V79 cells by exposure of cells in salts-glucose medium, but
A W Obianime et al.
Nigerian journal of physiological sciences : official publication of the Physiological Society of Nigeria, 24(2), 187-194 (2010-03-18)
The effects of different doses of ammonium metavanadate on the biochemical, haematological, hormonal and histopathological parameters of stilbesterol treated female Wistar rats were investigated. Ammonium metavanadate in the dose range 0-6 mg/kg caused a bi-phasic and time-dependent response on the
Ashraf M Morgan et al.
Pharmacological research, 47(1), 75-85 (2003-01-16)
Vanadium is a ubiquitous trace metal present in most plant and animal tissues. Environmental exposure to trivalent and pentavalent inorganic vanadium compounds has been related to impaired different phases of reproduction. Therefore, the effects of a pentavalent inorganic vanadium compound
Ahlem Soussi et al.
Comptes rendus biologies, 329(10), 775-784 (2006-10-10)
Transitional metals, as vanadium, are known to exert noxious effects by generating oxidative stress. Addition of antioxidants in the diet could decrease the cytotoxic effect related to the oxidative stress. The present study, carried out in Wistar rats, is a
Mansour S Abdul Galil et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 67(1), 76-82 (2006-08-22)
A rapid, simple, and most economical spectrophotometric method was proposed for the determination of nitrite in various water samples, soil samples, and roots of leguminous plants. The method is based on decolorizing effect of nitrite on complex formed between hydrogen
Yuanxin Deng et al.
Biological trace element research, 147(1-3), 149-155 (2012-01-25)
The cecal tonsil of broiler is known as a secondary lymphoid tissue, which is involved in antigen-specific humoral immune responses. The purpose of this study was to investigate the effects of dietary vanadium on the tissue distribution and quantity of
Improved selective, simple, and contrast staining of acidophilic neurons with vanadium acid fuchsin.
I V Victorov et al.
Brain research. Brain research protocols, 5(2), 135-139 (2000-04-25)
Acidophilia is one of the hallmarks of acute neuronal damage and death in brain ischemia, excitotoxic and traumatic lesions and epileptic seizures. We here describe a novel and simple method for visualizing acidophilic neurons on paraffin sections, using vanadium acid
Ghada Abdelhamid et al.
Cell biology and toxicology, 26(5), 421-434 (2010-03-12)
We recently demonstrated that V(5+) downregulates 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)-mediated induction of Cyp1a1 mRNA, protein, and catalytic activity levels in Hepa 1c1c7 cells through transcriptional mechanism. Therefore, it is important to investigate whether similar changes occur in humans. For this purpose, we
Katherine H Thompson et al.
Biological trace element research, 86(1), 31-44 (2002-05-11)
Today, vanadium compounds are frequently included in nutritional supplements and are also being developed for therapeutic use in diabetes mellitus. Previously, tissue uptake of vanadium from bis(maltolato)oxovanadium(IV) (BMOV) was shown to be increased compared to its uptake from vanadyl sulfate
C Faría de Rodríguez et al.
Investigacion clinica, 39 Suppl 1, 87-97 (1998-07-03)
The present research show, an statistical study of the effects of ammonium metavanadate (AMV) on size, weight and number of offsprings of 56 albino swiss mice (male and female) was carried out. These mice ingested AMV in concentration of 100
Ammonium metavanadate: A novel catalyst for synthesis of 2-substituted benzimidazole derivatives.
Jadhav GR, et al.
Chinese Chemical Letters = Zhongguo Hua Xue Kuai Bao, 20(3), 292-295 (2009)
Yuanxin Deng et al.
Biological trace element research, 145(1), 52-58 (2011-08-03)
The purpose of this study was to examine oxidative stress induced by dietary vanadium in the mucosa of different parts of intestine including duodenum, jejunum, ileum, and cecal tonsil. A total of 420 1-day-old avian broilers were divided into six
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