Güncel Gönderiler: Fen Fakültesi
Toplam kayıt 2379, listelenen: 1321-1340
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Metal-complexing ligand methacryloylamidocysteine containing polymer beads for Cd(II) removal
(Elsevier Science BV, 2003)Different metal-complexing ligands carrying synthetic and natural adsorbents have been reported in the literature for heavy metal removal. We have developed a novel and new approach to obtain high metal adsorption capacity ... -
Electrochemical polymerization of acetylene with copper catalyst on platinum and copper electrodes
(Elsevier Science Sa, 2002)Acetylene was electrochemically polymerized cathodically at -0.60 V (versus Ag/AgCl) in the presence of copper(I)perchlorate catalyst in acetonitrile containing tetrabutylammonium perchlorate (TBAP) at room temperature ... -
Zinc ion-promoted adsorption of lysozyme to Cibacron Blue F3GA-attached microporous polyamide hollow-fiber membranes
(Elsevier Science BV, 2001)Dye-affinity and metal chelate affinity adsorption are increasingly used for protein separation. Synthetic hollow fiber membranes have advantages as support matrices in comparison to conventional bead supports because they ... -
Molecular recognition based cadmium removal from human plasma
(Elsevier Science BV, 2004)Molecularly imprinted polymers (MIPs) are easy to prepare, stable, inexpensive and capable of molecular recognition. MIPs can be considered as affinity separation media. Cadmium is a carcinogenic and mutagenic element. ... -
Ion-selective imprinted superporous monolith for cadmium removal from human plasma
(Taylor & Francis Inc, 2005)Molecular recognition based separation systems have received much attention because of their high selectivity for target molecules. Molecular imprinting has been recognized as a promising technique for the development of ... -
Affinity separation of plasma proteins using a newly synthesized methacrylamidoalanine incorporated porous pHEMA membranes
(Marcel Dekker Inc, 2002)In this study, we synthesized a novel adsorbent to obtain high protein-adsorption capacity utilizing 2-methacrylamidoalanine (MAAL) containing membrane. Amino acid-ligand MAAL was synthesized by using methacrylochloride ... -
Electrochemical synthesis of self-doped polyaniline in fluorosulfonic acid/acetonitrile solution
(Elsevier Science Sa, 2002)Electrochemical formation of self-doped sulfonated polyaniline (SPAN) was carried out in acetonitrile-containing anhydrous fluorosulfonic acid (FSO3H). Fluorosulfonic acid was used as both sulfonation reagent for aniline ... -
Electropolymerization and in situ sulfonation of aniline in water-acetonitrile mixture containing FSO3H
(Elsevier Science Sa, 2002)In situ sulfonation reaction of aniline was carried out in water and water-acetonitrile mixture by changing both aniline and fluorosulfonic acid (FSO3H) concentrations. The optimum conditions for the polymer formation was ... -
Affinity separation of immunoglobulin G subclasses on dye attached poly (hydroxypropyl methacrylate) beads
(Elsevier Science BV, 2006)Poly(hydroxypropyl methacrylate) [poly(HPMA)] gel beads with an average size of 150-200 mu m were prepared by suspension polymerization of hydroxypropyl methacrylate (HPMA). The poly(HPMA) gel beads were characterized by ... -
Cr(III)-imprinted polymeric beads: Sorption and preconcentration studies
(Elsevier Science BV, 2007)The purpose of this study is to prepare a novel molecular imprinted adsorbent to Cr(III) analysis with high selectivity. Initially, chromium (III)-methacryloylhistidine (MAH/Cr(III)) complex monomer was synthesized and ... -
Removal of heavy metal ions from aquatic solutions by membrane chromatography
(Elsevier Science BV, 2000)Polyvinylalcohol membranes were prepared by a solvent casting technique. Metal-complexation ligand, i.e. monochlorotriazinyl-dye Cibacron Blue F3GA was then attached. These membranes with a high water content of 119%, and ... -
Exact solutions in five-dimensional axi-dilaton gravity with Euler-Poincare term
(IOP Publishing LTD, 2007)We examine the effective field equations that are obtained from the axi-dilaton gravity action with a second-order Euler-Poincare term and a cosmological constant in all higher dimensions. We solve these equations for ... -
The effects of fluorine on the structural, surface morphology and optical properties of ZnO thin films
(Elsevier Science BV, 2007)The optical and structural properties of fluorine-doped Zinc oxide (ZnO) thin films have been investigated. The X-ray diffraction spectra indicate that the films have polycrystalline nature. A ZnO single phase with a ... -
Effects of In, Al and Sn dopants on the structural and optical properties of ZnO thin films
(Pergamon-Elsevier Science LTD, 2007)Effect of In, Al and Sn dopants on the optical and structural properties of ZnO thin films have been investigated by X-ray diffraction technique and optical characterization method. X-ray diffraction patterns confirm that ... -
Molecular recognition based iron removal from human plasma with imprinted membranes
(SAGE Publications LTD, 2006)The aim of this study is to prepare ion-imprinted poly(2-hydroxyethyl methacrylate) ( HEMA) based membranes which can be used for the selective removal of Fe3+ ions from Fe(3+)overdosed human plasma. N-methacryloyl-(L)-glutamic ... -
Iron removal from human plasma based on molecular recognition using imprinted beads
(Elsevier Science BV, 2005)The aim of this study is to prepare ion-imprinted polymers which can be used for the selective removal of Fe3+ ions from Fe3+-overdosed human plasma. N-Methacryloly-(L)-glutamic acid (MAGA) was chosen as the complexing ... -
Utilization of the Phaseolus vulgaris L. waste biomass for decolorization of the textile dye Acid Red 57: determination of equilibrium, kinetic and thermodynamic parameters
(Taylor & Francis Inc, 2007)In the present study, biosorption of Acid Red 57 (AR57) onto a waste biomass of Phaseolus vulgaris L. was investigated by varying pH, contact time, biosorbent concentration and temperature, to determine the equilibrium, ... -
Kinetics and equilibrium studies for the adsorption of Acid Red 57 from aqueous solutions onto calcined-alunite
(Elsevier Science BV, 2006)The adsorption of Acid Red 57 (AR57) onto calcined-alunite was examined in aqueous solution in a batch system with respect to contact time. pH and temperature. The first-order, pseudo-second-order Kinetic and the intraparticle ... -
Biosorption potential of Neurospora crassa cells for decolorization of Acid Red 57 (AR57) dye
(John Wiley & Sons LTD, 2006)Biosorption of Acid Red 57 (AR57) on to Neurospora crassa was studied with variation of pH, contact time, biosorbent and dye concentrations and temperature to determine equilibrium and kinetic models. The AR57 biosorption ... -
Biosorption kinetics and isotherm studies of Acid Red 57 by dried Cephalosporium aphidicola cells from aqueous solutions
(Elsevier Science Sa, 2006)Equilibrium, kinetics and thermodynamic studies on the removal of Acid Red 57 (AR57) by biosorption onto dried Cephalosporium aphidicola (C. aphidicola) cells have been investigated in a batch system with respect to pH, ...
