Yazar "Arica, M. Yakup" için listeleme
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Adsorption of Cr(VI) onto PEI immobilized acrylate-based magnetic beads: Isotherms, kinetics and thermodynamics study
Bayramoglu, Guelay; Arica, M. Yakup (Elsevier Science Sa, 2008)Magnetic poly(GMA-EGDMA) beads were prepared from glycidylmetharylate (GMA) and ethyleneglycol dimethacrylate (EGDMA) in the presence of Fe3O4 nano-powder via suspension polymerization. After polymerization, the magnetic ... -
Adsorption of IgG on spacer-arm and L-arginine ligand attached poly(GMA/MMA/EGDMA) beads
Bayramoglu, Gulay; Senel, Aysegul U.; Arica, M. Yakup (Wiley, 2007)This work presents data on human imrnunoglobulin G (HlgG) adsorption onto L-arginine ligand attached poly(GMA/MMA/EGDMA)-based affinity beads which were synthesized from methyl methacrylate (NUVIA) and glycidiyl methacrylate ... -
Adsorption of trypsin onto magnetic ion-exchange beads of poly(glycidylmethacrylate-co-ethyleneglycoldimethacrylate)
Arica, M. Yakup; Akyol, Ali Berkan; Bayramoglu, Guelay (John Wiley & Sons Inc, 2008)Magnetic beads were prepared from glycidyl methacrylate (GMA), and ethyleneglycol dimethylmethacrylate (EGDMA) in the presence of Fe3O4 nanopowder via suspension polymerization. The magnetic beads were characterized by ... -
Alcohol determination via covalent enzyme immobilization on magnetic beads
Kiralp, Senem; Topcu, Asuman; Bayramoglu, Guelay; Arica, M. Yakup; Toppare, Levent (Elsevier Science Sa, 2008)Alcohol oxidase was covalently immobilized onto magnetic beads of two different sizes, 75-150 mu m and 50-75 mu m in diameter, fabricated in the presence of glycidylmethacrylate and methylmethacrylate via suspension ... -
Biosorption of benzidine based textile dyes "Direct Blue 1 and Direct Red 128" using native and heat-treated biomass of Trametes versicolor
Bayramoglu, Gulay; Arica, M. Yakup (Elsevier, 2007)The capacities and mechanisms of native and heat-treated white rot fungus "Trametes versicolor" biomass in removing of two different benzidine based dyes (i.e., Direct Blue 1, DB-1 and Direct Red 128, DR-128) from aqueous ... -
Biosorption of mercury(II), cadmium(II) and lead(II) ions from aqueous system by microalgae Chlamydomonas reinhardtii immobilized in alginate beads
Bayramoglu, Gillay; Tuzun, Ilhami; Celik, Gokce; Yilmaz, Meltem; Arica, M. Yakup (Elsevier, 2006)The potential use of the immobilized microalgae (in Ca-alginate) of Chlamydomonas reinhardtii to remove Hg(II), Cd(II) and Pb(II) ions from aqueous solutions was evaluated using bare Ca-alginate bead as a control system. ... -
Biosorption of Reactive Blue 4 dye by native and treated fungus Phanerocheate chrysosporium: Batch and continuous flow system studies
Bayramoglu, Gulay; Celik, Gokce; Arica, M. Yakup (Elsevier, 2006)The native and treated fungal biomass of Phanerocheate chrysosporium was used for the biosorption of a textile dye (i.e., Reactive Blue 4). In the batch system, the biosorption equilibrium time was about 4 h and the maximum ... -
Biosorption of Reactive Red-120 dye from aqueous solution by native and modified fungus biomass preparations of Lentinus sajor-caju
Arica, M. Yakup; Bayramoglu, Guelay (Elsevier, 2007)The capacities and mechanisms of native and treated white-rot fungus "Lentinus sajur-caju" biomass preparations in removing of textile dye (i.e. Reactive Red-120) from aqueous solution was investigated with different ... -
Chitosan-grafted poly(hydroxyethyl methacrylate-co-glycidyl methacrylate) membranes for reversible enzyme immobilization
Arica, M. Yakup; Yilmaz, Meltem; Bayramoglu, Gulay (Wiley, 2007)Epoxy group-contain g poly(hydroxyethyl methacrylate/glycidyl methacrylate), p(HEMA/GMA), membrane was prepared by UV initiated photopolymerization. The membrane was grafted with chitosan (CH) and some of them were chelated ... -
Covalent immobilization of chloroperoxidase onto magnetic beads: Catalytic properties and stability
Bayramoglu, Guelay; Kiralp, Senem; Yilmaz, Meltem; Toppare, Levent; Arica, M. Yakup (Elsevier, 2008)Amino groups containing magnetic beads were used in covalent immobilization of the enzyme "chloroperoxidase (CPO)" which is one of a few enzymes that can catalyse the peroxide dependent oxidation of a wide spectrum of ... -
Cytochrome c adsorption on glutamic acid ligand immobilized magnetic poly(methylmethacrylate-co-glycidylmethacrylate) beads
Bayramoglu, Gulay; Logoglu, Elif; Arica, M. Yakup (Elsevier, 2007)This work presents data on cytochrome c adsorption onto glutamic acid immobilized magnetic poly(methylmethacrylate-coglycidylmethacrylate), mp(GMA-MMA) beads which were synthesized from glycidylmethacrylate (GMA) and ... -
A dye-ligand immobilized poly(2-hydroxyethylmethacrylate) membrane used for adsorption and isolation of immunoglobulin G
Bayramoglu, Gulay; Oktem, H. Avni; Arica, M. Yakup (Elsevier, 2007)Poly(2-hydroxyethylmethaerylate) (pHEMA) membrane was prepared by photo-polymerization and a dye ligand (i.e., Reactive Green 5) was immobilised on the membrane surface (pHEMA-RG-5). Surface wettability and hydrophilicity ... -
Effect of spacer-arm and Cu(II) ions on performance of L-histidine immobilized on poly(GMA/MMA) beads as an affinity ligand for separation and purification of IgG
Bayramoglu, Gulay; Senel, Aysegul Ulku; Arica, M. Yakup (Elsevier, 2006)In this study, the beads were prepared from glycidiyl methacrylate (GMA) and methyl methacrylate (MMA) via suspension polymerization and, the used beads fractions were between 75 and 150 mu m. The epoxy groups of the beads ... -
Enzymatic removal of phenol and p-chlorophenol in enzyme reactor: Horseradish peroxidase immobilized on magnetic beads
Bayramoglu, Guelay; Arica, M. Yakup (Elsevier Science Bv, 2008)Horseradish peroxidase was immobilized on the magnetic poly(glycidylmethacrylate-co-methylmethacrylate) (poly(GMA-MMA)), via covalent bonding and used for the treatment of phenolic wastewater in continuous systems. For ... -
Heparin-coated poly(hydroxyethyl methacrylate/albumin) hydrogel networks: In vitro hemocompatibility evaluation for vascular biomaterials
Bayramoglu, Gülay; Yilmaz, Meltem; Batislam, Ertan; Arica, M. Yakup (Wiley, 2008)Human serum albumin (AL) containing poly(hydroxyethyl methacrylate) (pHEMA; in tube form with an inner diameter of 6 mm) was synthesized for blood-contacting hydrogel networks via UV-initiated photopolymerization. at 25 ... -
Immobilization of beta-galactosidase onto magnetic poly(GMA-MMA) beads for hydrolysis of lactose in bed reactor
Bayramoglu, Gulay; Tunali, Yagmur; Arica, M. Yakup (Elsevier, 2007)In the present study, novel magnetic beads were prepared from glycidylmethacrylate and methylmethacrylate via suspension polymerization in the presence of a cross-linker (i.e. ethylenedimethylmethacrylate). The magnetic ... -
Immunoglobulin G adsorption behavior of L-histidine ligand attached and Lewis metal ions chelated affinity membranes
Bayramoglu, Gulay; Celik, Gokce; Arica, M. Yakup (Elsevier Science Bv, 2006)Immobilized metal affinity membranes were prepared by chelating Cu(II) and Fe(III) ions on poly(2-hydroxyethyl methacrylate-glycidyl methacrylate), poly(HEMA-GMA) membranes using L-histidine as a chelating ligand. To achieve ... -
Kinetics of mercury ions removal from synthetic aqueous solutions using by novel magnetic p(GMA-MMA-EGDMA) beads
Bayramoglu, Gulay; Arica, M. Yakup (Elsevier, 2007)Poly(glycidylmethacrylate-methylmethacrylate), p(GMA-MMA-EGDMA), magnetic beads were prepared via suspension polymerization in the presence of ferric ions. The epoxy groups of the beads were converted into amino groups via ... -
Performance of different metal-dye chelated affinity adsorbents of poly(2-hydroxyethyl methacrylate) in lysozyme separation
Arica, M. Yakup; Denizli, A. (Marcel Dekker Inc, 2000)The triazine dye Cibacron Blue F3GA was covalently immobilized as an affinity ligand onto microporous poly(2-hydroxyethyl methacrylate) (pHEMA) membranes. Three different metal ions [i.e.. Fe(III), Zn(II), or Cu(II)] were ... -
Polyaniline grafted polyacylonitrile conductive composite fibers for reversible immobilization of enzymes: Stability and catalytic properties of invertase
Bayramoglu, Guelay; Karakisla, Meral; Altintas, Begum; Metin, Ayseguel U.; Sacak, Mehmet; Arica, M. Yakup (Elsevier Sci Ltd, 2009)Polyacylonitrile fibers (PAN) surfaces were modified with chemical polymerization of conductive polyaniline (PANI) in the presence of potassium dichromate as an oxidizing agent. The effect of aniline concentration on the ...