نتایج جستجو برای: vanadyl complexes
تعداد نتایج: 137493 فیلتر نتایج به سال:
The mode of chiral interaction between a series of asymmetric epoxides (propylene oxide, butylene oxide, epifluorohydrin and epichlorohydrin) and a chiral vanadyl salen complex, N, N'-bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexane-diamino-vanadium (iv) oxide, [VO()], was investigated by a range of electron magnetic resonance techniques (EPR, ENDOR, HYSCORE) and DFT. Enantiomer discriminatio...
Oxovanadium(IV) complexes [VO(sal-argH)(B)]Cl (1-3) and [VO(sal-lysH)(B)]Cl (4-6), where sal-argH2 and sal-lysH2 are N-salicylidene-L-arginine and N-salicylidene-L-lysine Schiff bases and B is a phenanthroline base, viz. 1,10-phenanthroline (phen in 1 and 4); dipyrido[3,2-d:2',3'-f]quinoxaline (dpq in 2 and 5) and dipyrido[3,2-a:2',3'-c]phenazine (dppz in 3 and 6), have been prepared, character...
Though vanadium complexes mimic the action of insulin, owing to their toxicity, research is still in progress for a new vanadium complex with maximum efficacy at low concentration and without any side effects. A novel macrocyclic binuclear oxovanadium complex was synthesized, its composition and structure were confirmed by spectral studies and its efficacy was studied in streptozotocin-induced ...
OBJECTIVE Vanadyl sulphate, an inorganic tetravalent salt of transition metal vanadium is conventionally used to treat diabetes and by athletes as body-building supplement. Vanadyl sulphate is a constituent of many supplements and herbal preparations available over the counter in many parts of the world. In this study the efficacy of the salt as hypoglycaemic agent and its effects on lipid prof...
We have shown previously that vanadium ions (vanadate and vanadyl) inhibit autophosphorylation of histidine but not that of serine in ATP citrate lyase (ACL). Here we report the results concerning the effect of monovanadate (+ oligomers), decavanadate as well as vanadyl on the activity of ACL of the rat liver. Susceptibility of ACL to inhibition by vanadate was rather low. Vanadate at concentra...
Schiff bases have been synthesized by the reaction of triazole containing primary amine with aromatic carbonyl compounds. The prepared, act as ligand when these are made in contact oxovanadium (VO2+) ion. Some new mononuclear oxovanadium(IV) complexes base ligands vanadyl sulphate (VOSO4.xH2O) and analyzed different spectroscopic methods; [fourier-transform infrared (FTIR), ultraviolet-visible ...
The influence of elicitation on rosmarinic acid biosynthesis by Lavandula vera MM cell suspension culture was investigated using vanadyl sulfate as an abiotic elicitor. It was established that 12 h after treatment with 25 mg/l vanadyl sulfate the rosmarinic acid production was increased up to 3.92 g/l (2.8 times higher compared to the control cultivation). No significant amounts of rosmarinic a...
Background and Aims: Diabetes mellitus is characterized by hyperglycemia which over time leads to serious damage of several body systems. Vanadium ions their complexes have been demonstrated various insulin-mimetic antidiabetic effects. The object the present work was investigate effect vanadyl sulfate (VS) on serum total lipid protein parameters, glutathione, peroxidation nonenzymatic glycosyl...
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