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Transition metal ions

Electrochemical Oxidation of Catechol in the Presence of some Azacrown Ethers and Transition Metal Ions in Acetonitrile

Electrochemical Oxidation of Catechol in the Presence of some Azacrown Ethers and Transition Metal Ions in Acetonitrile

... of metal complex [15]. The complexation of transition metal ions has been studied mainly with respect to aza and thia crown ethers, but not with oxa crown ethers ...earth metal ...

10

Complexation of Norfloxacin with Some Transition Metal Ions - A Spectrophotometric Study

Complexation of Norfloxacin with Some Transition Metal Ions - A Spectrophotometric Study

... the metal ions and the ligand due to their interaction, Owing to interaction of the central metal ion and the ligand, a charge transfer from the ligand to metal ion may occur on irradiation; ...

5

Selective coordination of three transition metal ions within a coiled-coil peptide scaffold

Selective coordination of three transition metal ions within a coiled-coil peptide scaffold

... Here we have presented the rst example of an a-helical peptide, based on a coiled-coil scaffold, which binds three metal ions in identical coordination environments. Moreover, this peptide exhibits an ...

10

Equilibrium Studies on Binary and Ternary Complexes of
Transition Metal Ions with Thiouracil as Binary and
some N-Donor Ligands as Ternary Ligands

Equilibrium Studies on Binary and Ternary Complexes of Transition Metal Ions with Thiouracil as Binary and some N-Donor Ligands as Ternary Ligands

... binary and ternary complexes of 2 – thiouracil with bivalent transition metal ions in the presence of other ligands (L) containing N-N and N-O donor sites in aqueous medium. The required dissociation ...

7

Synthesis, Spectral and Antimicrobial Studies of Mixed Ligand Complexes With Transition Metal Ions [Mn (II), Cu (II), Co (II) and Ni (II)]

Synthesis, Spectral and Antimicrobial Studies of Mixed Ligand Complexes With Transition Metal Ions [Mn (II), Cu (II), Co (II) and Ni (II)]

... of metal complexes of mixed ligand nitrosalicylaldehyde & b- diketones with transition metal ions such as Mn(II), Cu(II), Co(II) and Ni(II) ...

7

Effect of transition metal ions on photoassisted bleaching of Reactive Yellow 86 by TiO2

Effect of transition metal ions on photoassisted bleaching of Reactive Yellow 86 by TiO2

... spectrophotometrically.The effect of various operating parameters like pH, concentration of the dye, amount of photocatalyst and nature of photocatalyst on the efficiency of the reaction has been studied. Kinetic ...

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Interaction of Ferritin With Transition Metal Ions and Chelates

Interaction of Ferritin With Transition Metal Ions and Chelates

... Several transition metal complexes have been found to serve useful roles as medical therapeutic and diagnostic agents. 1-5 Nevertheless, the rational design of inorganic drugs remains an elusive challenge. ...

150

Thermodynamics of the complexation between asparagine and first row transition metal ions : an in vitro examination of in vivo systems

Thermodynamics of the complexation between asparagine and first row transition metal ions : an in vitro examination of in vivo systems

... l ions under co n sid e ra tio n in the p re s e n t w o rk a re M n (II), F e ^ ) , Co(H), N i(II) Cu(H) and Zn(H ...l ions a re o fte n re n dered h a rd o r s o ft by th e ir environ m e n ...

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The spectra of transition metal ions in solids

The spectra of transition metal ions in solids

... By co mparison of the Raman spectra excited by the argon ion laser lines at 476. 5 and 514. 5 nm. The only Raman lines that correlate with the presence of cobalt in the 5.0 wt.% crystals have frequencies of 282, 394, 893 ...

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A potentiometric study of some solution equilibria involving biological ligands and transition metal ions

A potentiometric study of some solution equilibria involving biological ligands and transition metal ions

... several metal ions, namely Co(II), N i (II), Cu(II), and Zn(II) with ligands such as adeninate, cyclohexylamine and cyclopentylamine, was studied in order to gain experience in the techniques of ...

339

The Zeeman Raman and  infrared spectra of transition metal ions : in single crystals

The Zeeman Raman and infrared spectra of transition metal ions : in single crystals

... strengths for the magnetic dipole electronic transitions of CsMgC1 :Co 3 were computed using crystal field theory and were found to be sufficiently close to those measured from experimen[r] ...

166

EPR spectroscopy of transition metal ions in oxide hosts

EPR spectroscopy of transition metal ions in oxide hosts

... The magnetic properties of a transition metal ion are consider­ ably altered by a crystalline e n v i r o n m e n t . Early attempts at under­ standing such phenomena as the "quenching" of orbital ...

249

Tumor Theranostics of Transition Metal Ions Loaded Polyaminopyrrole Nanoparticles

Tumor Theranostics of Transition Metal Ions Loaded Polyaminopyrrole Nanoparticles

... transitional metal ions also exhibit theranostic functions ...transitional metal ions also carry certain dosage of toxicity, which can be used as chemotherapeutic drugs for tumor treatment ...

11

Influence of Various Glass Compositions on Physical and Spectroscopic Properties of Cao-Pb3O4-Zno-P2O5 Glass System

Influence of Various Glass Compositions on Physical and Spectroscopic Properties of Cao-Pb3O4-Zno-P2O5 Glass System

... the transition metal ions in these glasses also changes from glass to ...oxide ions to the ...of transition metal ions may differ in different glasses, which lead to ...

10

Cytotoxic Effect of " Glycated Albumin-Transition Metal Ion" on Rat Hepatocyte Suspension

Cytotoxic Effect of " Glycated Albumin-Transition Metal Ion" on Rat Hepatocyte Suspension

... transitional metal ions, and hydrogen peroxide and hydroxyl radical have been proposed to play a role in the pathogenesis of diabetic complications ...albumin- transition metal ions ...

5

CaCo1 xRuxOy: Role of Ru/Co Ratio on Its Transport Properties

CaCo1 xRuxOy: Role of Ru/Co Ratio on Its Transport Properties

... 3d transition metals for Co [25]. The spin state of a transition metal ion, such as Co, is determined by the competition between the crystal field and intra-atomic Coulomb repulsion ...3d ...

10

Synthesis of Zeolite using Fly ash and its application in Removal of Cu 2+

Synthesis of Zeolite using Fly ash and its application in Removal of Cu 2+

... of transition metal ions was studied by adding 50 ml of waste water to the ...of transition metal ...of metal ions was obtained by using AAS and ...of transition ...

5

Vol 2, No 11 (2013)

Vol 2, No 11 (2013)

... Transition metal ions form interesting and diverse coordination complexes that vary widely in structure with a change of ligand, or ion. To study this phenomenon many different families of Cu(II) ...

5

A comparative study of the coordination behavior of (Z)-4-[(2-(4,8-dimethylquinolin-2-yl)hydrazono) methyl] benzene-1,3-diol towards copper(II), nickel(II) and cobalt(II)-chlorides

A comparative study of the coordination behavior of (Z)-4-[(2-(4,8-dimethylquinolin-2-yl)hydrazono) methyl] benzene-1,3-diol towards copper(II), nickel(II) and cobalt(II)-chlorides

... of transition metals. Some transition metal ions constitute redox enzyme systems as ...the metal complexes of some quinolyl hydrazones derived from ...

5

Structural and luminescence properties of antimony, lead, bismuth zinc borophosphate glasses doped iron and titanium

Structural and luminescence properties of antimony, lead, bismuth zinc borophosphate glasses doped iron and titanium

... easily melted, having smaller mass compare to other glass network former, chemically durable and thermally stable. Besides, it has high transparency which suitable for optical materials. Moreover, it acted as a good host ...

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