Güncel Gönderiler: Fakülteler
Toplam kayıt 10075, listelenen: 5621-5640
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Biosorption of cadmium(II), lead(II) and copper(II) with the filamentous fungus Phanerochaete chrysosporium
(Elsevier Sci LTD, 2001)The biosorption from artificial wastewaters of heavy metals (Cd(II), Pb(II) and Cu(II)) onto the dry fungal biomass of Phanerochaete chryosporium was studied in the concentration range of 5-500 mg 1(-1). The maximum ... -
Methacryloylamidoglutamic acid having porous magnetic beads as a stationary phase in metal chelate affinity chromatography
(Taylor & Francis LTD, 2006)We have prepared a novel magnetic metal-chelate adsorbent utilizing methacryloylamidoglutamic acid (MAGA) as a metal-chelating ligand. MAGA was synthesized by using methacryloyl chloride and L-glutamic acid dihydrochloride. ... -
4 ',4 ',6 ',6 '-Tetrachloro-3-(4,6-dimethylpyridin-2-yl)-3,4-dihydrospiro[1,3,2-benzoxazaphosphinine-2,2 '-(2 lambda(5),4 lambda(5),6 lambda(5)-cyclotriphosphazene)]
(Int Union Crystallography, 2005)The title compound, C14H14Cl4N5OP3, is a phosphazene derivative with a bulky substituent attached through a spiro junction. The C3NPO ring at the spiro junction has a twist boat conformation, while the phosphazene ring has ... -
4 ',4 ',6 ',6 '-tetrachloro-3,4-dihydro-3-(6-methylpyridin-2-yl)spiro-[1,3,2-benzoxazaphosphinine-2,2 '-(2 lambda(5),4 lambda(5),6 lambda(5)-cylotriphosphazene)]
(Int Union Crystallography, 2004)The title compound, C13H12Cl4N5OP3, is a phosphazene derivative with a bulky substituted spirocyclic ring. The C3NPO spirocyclic ring has a twist-boat conformation, while the phosphazene ring has a very flattened boat ... -
Removal of heavy metal ions using the fungus Penicillium canescens
(Multi Science Publ Co LTD, 2003)The potential use of the fungus Penicillium canescens for the removal of cadmium, lead, mercury and arsenic ions from aqueous solutions was evaluated in this study. Equilibrium biosorption of the heavy metal ions was ... -
Removal of chromium(VI) ions from synthetic solutions by the fungus Penicillium purpurogenum
(Wiley, 2004)The ability of Penicillium purpurogenum to bind high amounts of chromium(VI) from aqueous solutions is demonstrated. Cr(VI) adsorption capacity increases with time during the first four hours and then leveled off toward ... -
Heavy metal separation capacity of a porous methacrylamidophenylalanine containing membrane based on a polyhydroxyethyl methacrylate matrix
(Marcel Dekker Inc, 2001)The abilities of various sorbent materials for heavy metal removal have been reported in the literature. We have developed a novel approach to obtain high metal-sorption capacity utilizing a membrane containing ... -
Poly(hydroxyethyl methacrylate-co-methacrylamidoalanine) membranes and their utilization as metal-chelate affinity adsorbents for lysozyme adsorption
(Vsp BV, 2002)Different adsorbents have been reported in the literature for protein purification. The authors have developed a novel and new approach to obtain high protein adsorption capacity utilizing a 2-methacrylamidoalanine-containing ... -
Comparison of adsorption performances of metal-chelated polyamide hollow fibre membranes in lysozyme separation
(Elsevier Science BV, 2002)Commercially available microporous polyamide hollow fibres are modified by acid hydrolysis to activate the reactive groups and subsequently binding of the ligand, i.e. Cibacron Blue F3GA. Then the Cibacron Blue F3GA-derived ... -
Methacryloylamidoglutamic acid functionalized poly(2-hydroxyethyl methacrylate) beads for UO22+ removal
(Elsevier Science BV, 2004)A novel approach was developed to obtaining high uranium adsorption capacity utilizing 2-methacryloylamidoglutamic acid (MAGA) as a metal-complexing ligand. MAGA was synthesized by using methacryloyl chloride and glutamic ... -
Synthesis and adsorption properties of poly(2-hydroxyethylmethacrylate-co-methacrylamidophenylalanine) membranes for copper ions
(Elsevier Science BV, 2000)In the first step of this study, the metal complexing ligand, 2-methacrylamidophenylalanine (MAPA), was synthesized by using methacrylochloride and phenylalanine. The MAPA monomer was characterized by NMR. Then, ... -
The effect of hydrogen bonding on the electroreduction behavior of aminobenzimidazoles
(Slovensko Kemijsko Drustvo, 2004)The electroreductions of benzimidazole, 5-aminobenzimidazole, 2-aminobenzimidazole and 4-aminobenzimidazole were investigated on a Pt electrode in acetonitrile containing tetrafluoroborat (TBABF(4)) with and without the ... -
Ion-imprinted beads for molecular recognition based mercury removal from human serum
(Elsevier Science BV, 2007)The aim of this study is to prepare ion-imprinted polymers which can be used for the selective removal of mercury ions [Hg2+] from human serum. N-Methacryloyl-(L)-cysteine (MAC) was chosen as the complexing monomer. In the ... -
Binding behavior of Fe3+ ions on ion-imprinted polymeric beads for analytical applications
(John Wiley & Sons Inc, 2006)We used a molecular imprinting approach to achieve specific metal binding utilizing N-methacryloyl-(L)cysteine methyl ester (MAC) as a metal-complexing ligand. MAC was synthesized using methacryloyl chloride and cysteine ... -
Preparation of poly(hydroxyethyl methacrylate-co-methacrylamidohistidine) beads and its design as a affinity adsorbent for Cu(II) removal from aqueous solutions
(Elsevier Science BV, 2002)Different metal-complexing ligands carrying synthetic 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 utilizing ... -
Mercury removal from synthetic solutions using poly (2-hydroxyethylmethacrylate) gel beads modified with poly (ethyleneimine)
(Elsevier Science BV, 2003)In this study. the Hg2+ adsorption-desorption properties of poly(ethyleneimine) (PEI)-attached poly(2-hydroxyethylmethacry late) (PHEMA) beads were investigated. Spherical PHEMA beads with an average size of 150-200 mum ... -
Preparation of cibacron blue F3GA-attached polyamide hollow fibers for heavy metal removal
(John Wiley & Sons Inc, 2002)Dye-affinity adsorption has been used increasingly for heavy metal removal. Synthetic hollow fibers have advantages as support matrices in comparison to conventional bead supports because they are not compressible and they ... -
Synthesis and characterization of pseudo-affinity ligand for penicillin acylase purification
(Elsevier Science BV, 2006)The aim of this work was to test a chromatographic affinity support containing methacryloyl antipyrine (MAAP) for penicillin acylase (PA) purification by using pure penicillin acylase and crude extract. First, MAAP as a ... -
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 ...
