نتایج جستجو برای: Zinc complexes

تعداد نتایج: 207749  

Journal: :iranian journal of pharmaceutical research 0
l saghaie gh houshfar m neishabor

zinc sulphate is currently used for treatment of zinc deficiency. its uptake by the body is poor, necessitating the administration of high doses. this leads to a range of unpleasant side effects. in order to increase the bioavailability of zinc, several zinc complexes have been designed and synthesized using bidentate ligands of hydroxypyranones and hydroxypyridinones. elemental analysis in eac...

GH Houshfar L Saghaie M Neishabor

Zinc sulphate is currently used for treatment of zinc deficiency. Its uptake by the body is poor, necessitating the administration of high doses. This leads to a range of unpleasant side effects. In order to increase the bioavailability of zinc, several zinc complexes have been designed and synthesized using bidentate ligands of hydroxypyranones and hydroxypyridinones. Elemental analysis in eac...

GH Houshfar L Saghaie M Neishabor

Zinc sulphate is currently used for treatment of zinc deficiency. Its uptake by the body is poor, necessitating the administration of high doses. This leads to a range of unpleasant side effects. In order to increase the bioavailability of zinc, several zinc complexes have been designed and synthesized using bidentate ligands of hydroxypyranones and hydroxypyridinones. Elemental analysis in eac...

Journal: :journal of reports in pharmaceutical sciences 0
lotfollah saghie department of medicinal chemistry - faculty of pharmacy and pharmaceutical sciences, isfahan university of medical sciences, isfahan, iran sajad badii akbar badii

a b s t r a c t   zinc deficiency in man is characterized by skin lesion, alopecia and has been linked to growth retardation and mental disturbance. for supplementation purposes zinc is currently presented as its sulfate salt, from which uptake by the body is poor, necesseting the administration of high doses. this leads to a range of unpleasant side effects. in order to increase the bioavailab...

2014
Neil J. Brown Jonathon E. Harris Xinning Yin Ian Silverwood Andrew J. P. White Sergei G. Kazarian Klaus Hellgardt Milo S. P. Shaffer Charlotte K. Williams

The synthesis, characterization, and zinc coordination chemistry of the three proligands 2-tert-butyl-4-[tert-butyl (1)/methoxy (2)/nitro (3)]-6-{[(2'-dimethylaminoethyl)methylamino]methyl}phenol are described. Each of the ligands was reacted with diethylzinc to yield zinc ethyl complexes 4-6; these complexes were subsequently reacted with phenylsilanol to yield zinc siloxide complexes 7-9. Fin...

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...

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: :Drug metabolism and pharmacokinetics 2002
Jun Fugono Keisuke Fujimoto Hiroyuki Yasui Kenji Kawabe Yutaka Yoshikawa Yoshitane Kojima Hiromu Sakurai

In order to understand the insulinomimetic activity of zinc(II) complexes, we studied the metallokinetic features of zinc in the blood of normal rats given the zinc complexes, bis(maltolato)zinc(II) (Zn(mal)(2)) and bis(6-methylpicolinato)zinc(II) (Zn(6mpa)(2)) by comparing each of them with an ionic form of zinc chloride (ZnCl(2)). The bioavailability of the zinc(II) complexes following oral a...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 1995
mohammad hossein arbab zavar maryam kazemipour

lead, copper, cobalt, nickel, iron and zinc ions form monocitrate complexes (negative charge) in citrate solution which is absorbed on the citrate form of anion-exchange resins (citrate as counter ion) y exchange of citrate ion with citrate complexes. these are subsequently recovered from the resin by 0.5m ammonium citrate eluent at ph 2.0. under optimized conditions, quantitative recovery was ...

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