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Jan Korbecki et al.
Acta biochimica Polonica, 59(2), 195-200 (2012-06-14)
Vanadium belongs to the group of transition metals and is present in the air and soil contaminants in large urban agglomerations due to combustion of fossil fuels. It forms numerous inorganic compounds (vanadyl sulfate, sodium metavanadate, sodium orthovanadate, vanadium pentoxide)...
Hakan Arslan et al.
Environmental monitoring and assessment, 187(8), 516-516 (2015-07-24)
Monitoring of heavy metal concentrations in groundwater potentially used for drinking and irrigation is very important. This study collected groundwater samples from 78 wells in July 2012 and analyzed them for 17 heavy metals (Pb, Zn, Cr, Mn, Fe, Cu...
Ryszard Dobrowolski et al.
Talanta, 113, 19-25 (2013-05-28)
A new analytical procedure for vanadium (V) determination in soils and sediments by the slurry sampling graphite furnace atomic absorption spectrometry (slurry sampling GFAAS) using the mixed permanent modifiers is described. Moreover, the comparison of action of the modifiers based...
Y L Wang et al.
Biological trace element research, 74(3), 237-244 (2000-10-31)
Vanadium, a trace element in human cells and regarded as an essential nutrient, plays an active role in all tissues. It is known that peroxovanadate-nicotinic acid (POV), a complex compound of vanadium, can decrease hyperglycemia; however, its biochemical mechanism remains...
Mirosław Krośniak et al.
Acta poloniae pharmaceutica, 71(2), 271-278 (2014-10-03)
Abstract: New Zealand obese mice (NZO) are characterized by symptoms similar to human metabolic syndrome. Vanadium in different investigations showed anti-diabetic activity but until now an NZO mice model has not been tested with this element. The aim of this...
D G Barceloux
Journal of toxicology. Clinical toxicology, 37(2), 265-278 (1999-06-26)
Vanadium is a steel-grey, corrosion-resistant metal, which exists in oxidation states ranging from -1 to +5. Metallic vanadium does not occur in nature, and the most common valence states are +3, +4, and +5. The pentavalent form (VO3-) predominates in...
Vanadium detoxification: chemical and biochemical aspects.
Enrique J Baran
Chemistry & biodiversity, 5(8), 1475-1484 (2008-08-30)
G Toncev et al.
European journal of neurology, 9(3), 221-226 (2002-05-03)
Several findings suggest lower levels of serum uric acid in multiple sclerosis (MS) patients. The aim of this study is to investigate relationships of uric acid serum levels in relapse-remitting (RR) MS patients with clinical activity of disease and blood-brain...
Esra Bağda
Environmental technology, 35(9-12), 1165-1174 (2014-04-08)
A kinetic catalytic method has been developed for the determination of vanadium based on its catalytic effect on the redox reaction of azorubin S and bromate in the presence of a sulphuric and nitric acid mixture. The reaction is monitored...
Qingtao Luo et al.
ChemSusChem, 6(2), 268-274 (2012-12-05)
The relationship between electrochemical performance of vanadium redox flow batteries (VRBs) and electrolyte composition is investigated, and the reasons for capacity decay over charge-discharge cycling are analyzed and discussed herein. The results show that the reasons for capacity fading over...
Dieter Rehder
Organic & biomolecular chemistry, 6(6), 957-964 (2008-03-11)
The two predominant forms of vanadium occurring in the geo-, aqua- and biosphere, soluble vanadate(V) and insoluble oxovanadium(IV) (vanadyl), are subject to bacterial activity and transformation. Bacteria belonging to genera such as Shewanella, Pseudomonas and Geobacter can use vanadate as...
Wenping Wei et al.
Physical chemistry chemical physics : PCCP, 15(6), 1766-1771 (2012-12-12)
Polyvinylidene fluoride (PVDF) ultrafiltration membranes were investigated for the first time in vanadium redox flow battery (VFB) applications. Surprisingly, PVDF ultrafiltration membranes with hydrophobic pore walls and relatively large pore sizes of several tens of nanometers proved able to separate...
T I Fortoul et al.
Journal of biomedicine & biotechnology, 2011, 951043-951043 (2011-07-01)
There is an increased concern about the health effects that air-suspended particles have on human health which have been dissected in animal models. Using CD-1 mouse, we explore the effects that vanadium inhalation produce in different tissues and organs. Our...
A Shahul Hameed et al.
Scientific reports, 5, 16270-16270 (2015-11-26)
Li-ion batteries (LIBs) are considered as the best available technology to push forward the production of eco-friendly electric vehicles (EVs) and for the efficient utilization of renewable energy sources. Transformation from conventional vehicles to EVs are hindered by the high...
V Calabrese et al.
Neurochemical research, 28(9), 1321-1328 (2003-08-27)
Recent studies suggest that NO and its reactive derivative peroxynitrite are implicated in the pathogenesis of multiple sclerosis (MS). Patients dying with MS demonstrate increased astrocytic inducible nitric oxide synthase activity, as well as increased levels of iNOS mRNA. Peroxynitrite...
XPS study of vanadium surface oxidation by oxygen ion bombardment
Alov N, et al.
Surface Science, 600(8), 1628-1631 (2006)
Anupam Bishayee et al.
Cancer letters, 294(1), 1-12 (2010-03-09)
Vanadium, a dietary micronutrient, is yet to be established as an essential part of the human diet. Over the past century, several biological effects of vanadium, such as insulin-mimetic action as well as amelioration of hyperlipidemia and hypertension, have been...
P A LeWitt et al.
Neurology, 42(11), 2111-2117 (1992-11-01)
We used two analytic methods (a multichannel coulometric electrode array with high-performance liquid chromatography, and gas chromatography-mass spectrophotometry) to measure CSF dopamine (DA) and its metabolites in mildly affected, unmedicated subjects with Parkinson's disease (PD). The mean (+/- SD) concentration...
Luciana G Naso et al.
Chemico-biological interactions, 206(2), 289-301 (2013-10-16)
It is known that flavonoids possess, among others, antioxidant and antitumoral properties that depend on their molecular structure. The central objective if this study was to investigate the potential antioxidant and antiproliferative properties of the flavonol morin and its new...
Beatrice Bocca et al.
Annali dell'Istituto superiore di sanita, 41(2), 197-203 (2005-10-26)
The haematic concentration of 26 metals and the oxidative damage in 60 patients (20 males and 40 females) affected by Alzheimer's disease and 44 healthy individuals (33 males and 11 females) were compared. In patients, the following significant (p <...
Hai-Tian Zhang et al.
Nature communications, 6, 8475-8475 (2015-10-10)
Transition metal oxides offer functional properties beyond conventional semiconductors. Bridging the gap between the fundamental research frontier in oxide electronics and their realization in commercial devices demands a wafer-scale growth approach for high-quality transition metal oxide thin films. Such a...
Nicolas Dietl et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 19(9), 3017-3028 (2013-01-17)
The reactivities of the adamantane-like heteronuclear vanadium-phosphorus oxygen cluster ions [V(x)P(4-x)O(10)](.+) (x=0, 2-4) towards hydrocarbons strongly depend on the V/P ratio of the clusters. Possible mechanisms for the gas-phase reactions of these heteronuclear cations with ethene and ethane have been...
K J Bär et al.
Neurobiology of aging, 24(2), 333-338 (2002-12-25)
Increasing evidence suggests an interaction of oxidative stress and the formation of advanced glycation end products (AGE) in the onset and progression of Alzheimer's disease. We studied levels of pentosidine and N(epsilon)-(carboxymethyl)-lysine (CML) in serum and cerebrospinal fluid (CSF) of...
Mustafa Oğuzhan Kaya et al.
Journal of enzyme inhibition and medicinal chemistry, 30(2), 286-289 (2014-06-26)
In this preliminary study, a new series of some cerium vanadate derivatives have been investigated as new type of inhibitors of xanthine oxidase (XO; E.C XO is a superoxide-producing enzyme found normally in serum and the lungs, and its...
Norbert W Lutz et al.
PloS one, 2(7), e595-e595 (2007-07-06)
Multiple sclerosis (MS), an inflammatory disease of the central nervous system, manifests itself in numerous forms and stages. A number of brain metabolic alterations have been reported for MS patients vs. control subjects. However, metabolite profiles of cerebrospinal fluid (CSF)...
Matic Lozinšek
Acta chimica Slovenica, 62(2), 378-384 (2015-06-19)
Hydroxylammonium tetrafluoridooxidovanadate(V) has been prepared by reaction of (NH3OH)Cl and VOF3 in anhydrous HF solvent and characterised in the solid state by single-crystal X-ray diffraction and Raman spectroscopy. Colourless (NH3OH)[VOF4] crystallises in the monoclinic P21/n space group with a =...
Gholamhossein Mohammadnezhad et al.
Dalton transactions (Cambridge, England : 2003), 42(33), 11812-11823 (2013-06-14)
The sugar-modified Schiff-base ligands derived from benzyl 2-deoxy-2-salicylideneamino-α-D-glucopyranoside (H2L(5-Br) and H2L(3-OMe)) were used to prepare the chiral oxidovanadium(V) complexes [VO(L(5-Br))(OMe)] (1) and [VO(L(3-OMe))(OMe)] (2) which can be isolated from a methanol solution as the six-coordinate complexes with an additional methanol...
Rima Obeid et al.
Clinical chemistry, 53(6), 1129-1136 (2007-03-27)
Increased plasma total homocysteine (tHcy) is a risk factor for neurological diseases, but the underlying pathophysiology has not been adequately explained. We evaluated concentrations of tHcy, S-adenosyl homocysteine (SAH), S-adenosyl methionine (SAM), folate, and vitamin B(12) in cerebrospinal fluid (CSF)...
A N Fonteh et al.
Amino acids, 32(2), 213-224 (2006-10-13)
Our aim was to determine changes in free amino acid (FAA) and dipeptide (DP) concentrations in probable Alzheimer's disease (pAD) subjects compared with control (CT) subjects using liquid chromatography and electrospray ionization tandem mass spectrometry (LCMS2). We recruited gender- and...
Takashi Abe et al.
Neuroscience letters, 336(2), 105-108 (2002-12-25)
In order to investigate the possible role of oxidative RNA damage in the pathogenesis of Parkinson's disease (PD), the concentrations of the oxidative stress marker 8-hydroxyguanosine (8-OHG) were measured in the cerebrospinal fluid (CSF) and the serum of patients with...
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