نتایج جستجو برای: monodental ligand
تعداد نتایج: 107545 فیلتر نتایج به سال:
Coadsorbed organic species including thiolates can promote direct synthesis of hydrogen peroxide from H2 and O2 over Pd particles. Here, density functional theory based kinetic modeling, augmented with activity measurements vibrational spectroscopy are used to provide atomistic understanding H2O2 formation alkylthiolate(RS) Pd. We find that the RS oxidized during reaction conditions yielding RS...
the complexation of zinc (ii) with dopamine has been investigated by spectrophotometric measurements in mixed solvent system at an ionic strength of 0.2 mol*dm-3 sodium chloride, employed (25± 0.1° c) at ph ranges of ~6 to ~7 with a high ratio of ligand to metal.
Background: Ovarian tissue cryopreservation is an alternative strategy to preserve the fertility of women predicted to undergo premature ovarian failure. This study was designed to evaluate the expression of folliculogenesis-related genes, including factor in the germline alpha (FIGLA), growth differentiation factor-9 (GDF-9), follicle-stimulating hormone receptor (FSHR), and KIT LIGAND after v...
the complex of ce(iii), [ ce (phensc) (h 0) ] (c10 ) , was synthesized using the phensc, a hexadentate ligand,2,9-diformyl-1,lo- phenanthroline bis (semicarbazone), and characterized by x-ray diffraction. the cerium atom has an unusual coordination number of ten involving six donor atoms of the planar ligand in the equatorial plane and four oxygen atoms from four axial water molecules. the comp...
nickel(ii) complex of [nil2](clo4)2, where l is an unsymmetrical tridentate ligand of 2-(2-aminoethyl)imino-3-butanone oximehas been synthesized by a template condensation reaction. the complex was characterized on the basis of microanalytical, spectroscopic, and other physicochemical properties. x-ray diffraction study of the complex reveals nickel(ii) center in a distorted octahedral environm...
a number of redox-active coordination polymers (cps) or metal-organic frameworks (mofs) have been successfully synthesized using transition metals and bridging ligands. this article aims to deal with gathering the aforementioned disperse issues regarding the electroactive cps. it also goes towards illustrating the effects of various factors on the electrochemical behavior of cps including natur...
in this article cloud-point extraction (cpe) was used with chelating agent to extract uranium from aqueous solutions. the methodology used is based on the formation of metal complexes soluble in a micellar phase of surfactant. the metal ions complexes are then extracted into the surfactant-rich phase at a temperature above the cloud-point temperature. the effect of type of surfactants and ligan...
Knowledge-based models for protein folding assume that the early-stage structural form of a polypeptide is determined by the backbone conformation, followed by hydrophobic collapse. Side chain-side chain interactions, mostly of hydrophobic character, lead to the formation of the hydrophobic core, which seems to stabilize the structure of the protein in its natural environment. The fuzzy-oil-dro...
Argonaute (AGO) proteins are core components of RNA-induced silencing complexes and have essential roles in RNA-mediated gene silencing. They are characterized by a bilobal architecture, consisting of one lobe containing the amino-terminal and PAZ domains and another containing the MID and PIWI domains. Except for the PAZ domain, structural information on eukaryotic AGO domains is not yet avail...
Receptor-ligand interactions are ubiquitous and crucial to physiological functions, such as immune response, cell growth, proliferation. Computational methods Molecular Dynamics with enhanced sampling facilitate the study of thermodynamics kinetics profiles receptor-ligand unbinding. Numerous studies have used MD Infrequent Metadynamics obtain a molecular description unbinding process. As resul...
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