نتایج جستجو برای: zinc complexation

تعداد نتایج: 79991  

2014
Inès Azzouz Hamdi Trabelsi Amel Hanini Soumaya Ferchichi Olfa Tebourbi Mohsen Sakly Hafedh Abdelmelek

The aim of the present study was to investigate the interaction of zinc chloride (3 mg/kg, intraperitoneally [ip]) in rat liver in terms of the biosynthesis of nanoparticles. Zinc treatment increased zinc content in rat liver. Analysis of fluorescence revealed the presence of red fluorescence in the liver following zinc treatment. Interestingly, the co-exposure to zinc (3 mg/kg, ip) and seleniu...

Journal: :iranian journal of pharmaceutical research 0
safa daoud university of jordan fatma u afifi university of jordan amal al-bakrib university of jordan violet kasabric kasabri university of jordan imad hamdan university of jordan

abstractthe ability of hesperidin (hp) to form complexes with five metals; cobalt, nickel, zinc, calcium and magnesium was investigated. the complexation was studied using u.v spectroscopic titration, in methanol as well as aqueous buffer solutions (physiological conditions). potential complexes were studied by ir and nmr spectroscopy, melting point and their solubility were also evaluated. the...

Journal: :International Journal of Pharmacy and Pharmaceutical Sciences 2022

Objective: Preparation and characterization studies on tetrahydrocurcumin complexed with zinc, particular reference to the location of zinc in complex. Methods: Structural characteristics its complex were compared using elemental analysis, mass spectrometry (MS), proton, carbon-13 nuclear magnetic resonance spectroscopy (NMR), ultraviolet-visible (UV) absorption spectroscopy, Fourier transform ...

Journal: :European journal of biochemistry 2004
Holger Blessing Silke Kraus Philipp Heindl Wojciech Bal Andrea Hartwig

As an essential element, selenium is present in enzymes from several families, including glutathione peroxidases, and is thought to exert anticarcinogenic properties. A remarkable feature of selenium consists of its ability to oxidize thiols under reducing conditions. Thus, one mode of action recently suggested is the oxidation of thiol groups of metallothionein, thereby providing zinc for esse...

AbstractThe ability of hesperidin (HP) to form complexes with five metals; cobalt, nickel, zinc, calcium and magnesium was investigated. The complexation was studied using U.V spectroscopic titration, in methanol as well as aqueous buffer solutions (physiological conditions). Potential complexes were studied by IR and NMR spectroscopy, melting point and their solubility were also evaluated. The...

AbstractThe ability of hesperidin (HP) to form complexes with five metals; cobalt, nickel, zinc, calcium and magnesium was investigated. The complexation was studied using U.V spectroscopic titration, in methanol as well as aqueous buffer solutions (physiological conditions). Potential complexes were studied by IR and NMR spectroscopy, melting point and their solubility were also evaluated. The...

Hans Peter Merkle Nastaran Nafissi Varcheh, Reza Aboofazeli, Vera Luginbuehl

Lysozyme, as a model protein, was precipitated through the formation of protein-Zn complex to micronize for subsequent encapsulation within poly (lactic-co-glycolic acid) (PLGA) microspheres. Various parameters, including pH, type and concentration of added salts and protein concentration, were modified to optimize the yield of protein complexation and precipitation. The resulting protein parti...

Journal: :The Analyst 2001
G Sarthou C M van den Berg U Riebesell

Carbonic anhydrase (CA) is inactive unless associated with zinc, with possible substitution by cobalt. In this work, the complexation of zinc by CA was determined in sea-water using cathodic stripping voltammetry (CSV) with ligand competition. The zinc was found to be released from the CA over a period of 3 h when equilibrated with a competing complexing ligand and the complex was re-formed wit...

2015
Veerasamy Gopalakrishnan Subramanian Iyyam Pillai Sorimuthu Pillai Subramanian

In view of the established antidiabetic properties of zinc, the present study was aimed at evaluating the hypoglycemic properties of a new zinc-diosmin complex in high fat diet fed-low dose streptozotocin induced experimental type 2 diabetes in rats. Zinc-diosmin complex was synthesized and characterized by various spectral studies. The complexation between zinc ions and diosmin was further evi...

Journal: :Dalton transactions 2013
Lydia C Gilday Nicholas G White Paul D Beer

Iodotriazole and triazole anion recognition groups have been integrated into a picket-fence zinc(ii)-metalloporphyrin scaffold to produce receptors for anion recognition and sensing applications. (1)H NMR and UV/visible spectroscopic investigations reveal both host systems exhibit strong anion binding affinities in a range of solvent media. Importantly, the halogen-bonding iodotriazole-containi...

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