TRANSITION METALS
Synthesis and spectroscopic studies of mixed ligand complexes of transition and inner transition metals with a substituted benzimidazole derivative and RNA bases
... synthesized transition and inner transition metals with Omeprazole and RNA bases was made by stoichiometric analysis, molar conductivity and spectroscopic ...
7
Oxidative Stress, Glycation and Transition Metals in Diabetic Complications
... transition metals and its role in oxidative modification and cross-linking of proteins [Wolff et al 1991]. Glucose and other alpha-hydroxyaldehydes can be oxidized to more reactive alpha-ketoaldehydes with ...
150
Emerging approaches to investigate the influence of transition metals in the proteinopathies
... concentrated metals map to the distribution of pigmentation and are consistent with the high affinity of neuromelanin for transition metals which may impact neuronal vulnerability ...
26
Gamma ray Compton scattering in transition metals
... of transition metal profiles is very difficult and a comprehensive study of theoretical parameters would prove in valuable with regard to the delineation of many-electron effects in ...
280
Adsorption of Transition Metals on Black Phosphorene: a First Principles Study
... Black phosphorene is a novel two-dimensional material which has unique properties and wide applications. Using first-principles calculations, we investigated the adsorption behavior of 12 different transition ...
9
Spectroscopic and Thermal Characterization of Gliclazide, Glibenclamide and Glimeperide Complexes with Transition and Inner Transition Metals
... Hence in this work we prepare complexes of Cu(II), Co(II), Hg(II) and La(II) transition and inner transition metals with gliclazide, glibenclamide and glimeperide drug molecule. The solid complexes ...
14
Pressure dependence of Gruneisen parameter of some transition metals
... mantle metals under mantle conditions with seismic data is the first step towards constraining mantle ...mantle metals, because it sets limitations on the thermo elastic properties of the lower mantle and ...
14
Hydroxide complexes of the late transition metals : organometallic chemistry and catalysis
... Transition metal hydroxides of the late transition metals are now relatively common, and play a special role in both the synthesis of new complexes and in important catalytic reactions. The basic ...
34
Evaluation of Diazatetraoxa Cryptand as Extractant for Transition Metals and Pb2+
... Previous researches on the macrocyclic ligands have provided insight into the interaction of metal cations with crown and cryptand ethers containing mixed donor atoms. Solvent extraction has been used for the reason ...
6
Determination of transition metals by high performance liquid chromatography
... Mohd Noor ABSTRACT A simple chromatographic analysis system was developed based on dynamic ion—pairing using long chain anionic modifiers with a silica reversed phase based column- The a[r] ...
134
Transition Metals as Catalysts for Cross Coupling and Dinitrogen Fixation
... me transition from MIT (where Greg originally was when I started graduate school) to Caltech, including Agnes Tong, Douglas Duquette, Zach Wickens, Shannon Stone, Sarah Reisman, and Brian Stoltz as well as their ...
300
Study of Stability Complex Formation of Transition Metals with Chalcone
... In this probe the data obtained used to quote the value of proton-ligand and metal ligand formation constant in the order of Cu(II) < Co(II) < Cr(III).. Keywords: pH-metric stud[r] ...
5
Aspects of the co ordination chemistry of some transition metals
... At the start of this work, an attempt was made to prepare both K2ReOC1 5 and Cs 2Re0Cl 5 by reduction of perthenic acid in concentrated hydrochloric acid with iodide 119 • This reaction [r] ...
183
Studies on Precision and Accuracy in Microdetermination of Transition Metals Using Ternary Complex EAB-CTAB-Metals
... taken with the aim to determine metals under study with simple and sophisticated instruments like Shimadzu Spectrophotometer at micro levels if present in water as pollutants. With this aim present studies are ...
7
The phonon entropy of transition metals and alloys : effects of impurities and of a martensitic phase transition
... The rigid-band model is rather successful at describing both the temperature and electron-concentration dependence of the elastic constants of Ti-V-Cr and Zr-Nb-Mo al- loys, as well as some features of their phonon ...
249
Kohn Anomaly and Phase Stability in Group VB Transition Metals
... pure metals exhibit lattice or magnetic instabilities associated with Fermi surface nesting, the classical examples being α -U and ...VB metals—materials with relatively high superconducting critical ...
19
Diffusion of hydrogen in transition metals
... Since different coincidence configurations have different tunnelling probabilities for the “naked” hydrogen, an additional temperature dependence is found which can e[r] ...
10
Polyporphyrin Complexes of Some Transition Metals. Synthesis and Catalytic Properties
... For polyporphyrin metal complexes synthesis (Me-PP) to a solution of 0.0016 mole of porphyrin at 100 ml DMSO added with 0.008 mole of salt of metals Fe(III), Co(II), Ni(II) and Mn (II). The mixture was brought to ...
8
Study of Some Biorelevant Complexes of Transition Metals with Active Imines
... transfer transition arising from the excitation of an electron from the metal t 2g level to the unfilled molecular orbitals derived from the p* level of the ligand in accordance with the assignments made for other ...
6
2ₛ + 2ₛ Reactions at Transition Metals
... + 2 reaction at transition It is demonstrated that this reaction is allowed and proceeds with a low activation energy if the reacting transition metal-to-substituent bond is covalent, no[r] ...
289