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Showing 1 to 20 of 105 for “"Iron(III)"”.
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Selective Oxidations by Iron(III) Porphyrins and Iron(III) Corroles
… macrocyclic ligands and the corresponding iron(III) complexes which are fully characterized by UV-vis, GC/MS, and NMR spectroscopies. In this work, the potential of catalytic oxidation reactions towards organic sulfides by these metal complexes were studied. The iron(III) porphyrin and …
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Complexes of iron (III) with derivatives of 8-quinolinol
… to form green, water soluble, 1:1 complexes with iron(III) and thus to possess the same composition as the complexes with 8-hydroxyquinoline and 2-methyl-8-hydroxyquinoline previously reported. Thermodynamic formation constants for the 1:1 complexes of 2-, 5- ,and 7-methyl-8-hydroxyquinoline with …
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Melatonin's Protection against DNA Damage by the Iron (III)-Adriamycin Complex.
… <p>Adriamycin forms tight complexes with iron in varying iron:drug ratios. The chelated complex [Fe<sup>+3</sup>-Adriamycin (1:2)] oxidatively cleaves DNA via the generation of reactive oxygen species (ROS). Enzymes associated specifically with heart mitochondria increase ROS formation …
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Iron (III) Chloride doping of large-area chemical vapor deposition graphene
… Chemical Vapor Deposition (CVD) graphene using Iron (III) Chloride (FeCl 3). It is shown that evaporating FeCl3 can increase the carrier concentration of monolayer graphene to greater than 7x1 0 3CM2 and achieve resistances as low 72[Omega]/sq. We also evaluate other important properties of the …
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Cysteine(2-), alkyl, and siloxide complexes of ruthenium(VI) and iron(III)
… N-acetyl-L-cysteine, or N-formyl-L-cysteine. The iron(II) and iron(III) complexes (NBu$\sb4\rbrack\sb{\rm n}$ (Fe(SCH$\sb2$CH(NHCOCH$\sb3)$COO)$\sb2$) (n = 1,2) have been synthesized by the addition of two equivalents of N-aceteyl-L-cysteine to methylene chloride solutions of either (NBu$\sb4$) …
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Trace Element Cycling during Iron(II)-activated Recrystallization of Iron(III) Oxide Minerals
Biogeochemical iron cycling initiates secondary abiotic reactions between aqueous Fe(II) and Fe(III) oxide minerals, which results in dynamic recrystallization via simultaneous Fe(II) oxidative adsorption and Fe(III) reductive dissolution. Fe(III) oxide minerals are abundant in soils, sediments, …
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Magnetic resonance of cobalt(II) and iron(III): A Schiff's base and heme proteins
This thesis is comprised of three parts. In the first, the Co-59 nuclear quadrupole coupling constants for cobalt-doped nickelbis(benzoylacetone)ethylenediimine were determined by EPR spectroscopy. The three rotation axes for the three single crystals were not exactly perpendicular to each other, …
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A Comparison of Gas Chromatographic Properties of Chromium (Iii) and Iron (Iii) Tris (Ethylenediamine) Exchanged Montmorillonites
… of tris(ethylenediamine) complexes of chromium (III) and iron (III) were studied and compared. Retention mechanisms of microsieving and surface adsorption are compared and discussed. The effects of percentage of substitution and heating on d₀₀₁-spacing and surface area are compared. The iron …
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I. Molecular Complexes of Iodine. Ii. The Behavior of Iron(iii) Chloride in Non-Aqueous Solvents
Made available in DSpace on 2014-12-05T19:38:00Z (GMT). No. of bitstreams: 1 6206117.pdf: 3989388 bytes, checksum: 7de0e177d16fc928d61603746158b143 (MD5) Previous issue date: 1962
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Encapsulation of iron(III) protoporphyrin IX and tetraphenylporphyrin in metal-organic frameworks for application as heterogeneous oxidation catalysts
… as potential hosts to encapsulate Fe(III) protoporphyrin IX (ferrihaem = Fe(III)PPIX) and Fe(III) tetraphenylporphyrin (Fe(III)TPP). Methyl orange (MO) adsorption was used as an initial model for substrate uptake in MOFs 1 and 2. MOF 1 showed good adsorption of MO (10.3 ± 0.8 mg.g-1 ) …
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Selective Catalytic Oxidation of Organic Sulfides by Iron (III) Porphryin Catalysts and Generation of Iron (IV)-OXO Prophyrin Radical Cations
… in nature, namely the cytochrome P450 enzymes. Iron porphyrin complexes have been the center of research as catalysts. In this study 5,10,15,20- tetramesitylporphyrin (H<sub>2</sub>TMP) and its corresponding iron complexes Fe<sup>III</sup>(X)TMP (X= Cl, ClO<sub>4</sub>, ClO<sub>3</sub>, …
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KINETIC, SPECTROSCOPIC AND CHEMICAL MODIFICATION STUDY OF IRON RELEASE FROM TRANSFERRIN; IRON(III) COMPLEXATION TO ADENOSINE TRIPHOSPHATE (ETHOXYFORMIC ANHYDRIDE, LYSINE)
… influence the chemical properties of transferrin iron. The catalytic ability of pyrophosphate to mediate transferrin iron release to a terminal acceptor is largely quenched by modification non-liganded histidine groups on the protein. The first order rate constants of iron release for several …
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Iron (III) Oxide and Copper (II) Oxide Mediated Formation of PCDD/Fs from Thermal Degradation of 2-MCP and 1,2-DCBz
… constitutes a major toxic component of environmental pollutants. Generally, it is well established that transition metal-mediated reactions account for the majority of PCDD/F emissions from combustion sources. Specifically, both copper and iron ions, which occur abundantly in combustion …
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Understanding the factors which Influence the interactions of iron (II) and iron (III) in porphyrins and the chemistry of silicon phthalocyanine
… presented in this thesis involved the study of iron(II) and iron(III) porphyrins using high-pressure Mössbauer spectroscopy. Further work was aimed at the formation of a new complex between iron(III) tetraphenylporphyrin chloride [Fe(III)TPPCl] and silicon phthalocyanine di-4pyridinecarboxylic …
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Experimental And Theoretical Analysis Of The Electronic Behavior In Five-Coordinate Iron(iii) And Six-Coordinate Cobalt(iii) Complexes With Electroactive Phenol-Rich Ligands
<p>Three 5 coordinate high-spin Iron(III) complexes containing pentadentate N2O5 ligands were synthesized and characterized, namely, (1) [FeIII(L1)] and (2) [FeIII(L2)]. Structural differences in ligand design,N,N,N'-tris(3,5-di-tert-butyl-2-hydroxybenzyl)benzene-1,2-diamine for (1) and …
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Development of iron (III) tetra(meso-aryl)porphyrins and N-annulated perylene diimide tethered rhenium (I) bipyridine supramolecular dyads for carbon dioxide conversion catalysis
… organometallic complexes based upon the iron (III) tetra(meso-aryl)porphyrin and rhenium (I) (2,2’-bipyridine) tricarbonyl chloride motifs, which are capable of highly selective and highly efficient CO2 conversion catalysis. Structure-property relationships described in this section …
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Structures and Properties of Some Iron Triad Complexes: Iron(iii) Halide and Nickel(ii) Aquo Halide Complexes; Nickel(ii) and Nickel(iv) Pyridine Dioxime Complexes
Made available in DSpace on 2014-12-10T23:01:13Z (GMT). No. of bitstreams: 1 7207075.pdf: 4000195 bytes, checksum: 6546664acd854f88c6ab7cf072f43dfe (MD5) Previous issue date: 1971
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Redox-Active Trivalent Metallosurfactants With Low Global Symmetry For Molecule-Based Electronics: Spectroscopic, Electrochemical, And Amphiphilic Properties Of New Molecular Materials For Current-Voltage Measurements In M|lb-Monolayer|m Devices
… with phenolate moieties and, their gallium(III), iron(III), and manganese(III) complexes with [N2O3] and [N2O2] coordination environments were synthesized and structurally characterized using multiple methods. Ligands were designed with different electron-donating and electron-withdrawing …
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Oxyanion reduction in a non-heme iron system
… to access both tautomeric forms of the ligand in iron(II) complexes. Moreover, the ability of each arm of the ligand to tautomerize independently was observed in an iron(II)-hydroxo complex that included both tautomeric forms. The secondary coordination sphere also displayed a propensity to engage …
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