Yazar "Denizli, A" için listeleme
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Adsorption of heavy metal ions onto ethylene diamine-derived and Cibacron Blue F3GA-incorporated microporous poly(2-hydroxyethyl methacrylate) membranes
Denizli, A; Say, R; Patir, S; Arica, MY (Elsevier Science Bv, 2000)Microporous poly( 2-hydroxyethylmethacrylate) (PHEMA) membranes carrying ethylene diamine (EDA) and Cibacron Blue F3GA were prepared for the removal of heavy metal ions (i.e. mercury, copper, lead and cadmium) from aqueous ... -
Affinity interaction of hydroxypyruvate reductase from Methylophilus spp. with Cibacron blue F3GA-derived poly(HEMA EGDMA) microspheres: partial purification and characterization
Arica, MY; Halicigil, C; Alaeddinoglu, G; Denizli, A (Elsevier Sci Ltd, 1999)A methylotrophic hydroxypyruvate reductase was partially purified and characterized from Methylophilus spp. using the biomimetic dye, Cibacron Blue F3FA attached to poly(HEMA-EGDMA) microspheres. The absorption capacities ... -
Affinity microspheres and their application to lysozyme adsorption: Cibacron Blue F3GA and Cu(II) with poly(HEMA-EGDMA)
Denizli, F; Denizli, A; Arica, MY (Wiley, 1999)Lysozyme adsorption onto Cibacron Blue F3GA attached and Cu(II) incorporated poly(2-hydroxyethyl methacrylate-ethylene glycol dimethacrylate) [poly(HEMA-EGDMA)] microspheres was investigated. The microspheres were prepared ... -
Biosorption of inorganic mercury and alkylmercury species on to Phanerochaete chrysosporium mycelium
Saglam, N; Say, R; Denizli, A; Patir, S; Arica, MY (Elsevier Sci Ltd, 1999)The biosorption of inorganic mercury (HgCl2), methyl mercury (CH3HgCl) and ethyl mercury (C2H5HgCl) onto the dry biomass of Phanerochaete chryosponum was studied from aqueous media which concentrations in the range of 5-500 ... -
Catalase adsorption onto cibacron blue F3GA and Fe(III)derivatized poly(hydroxyethyl methacrylate) membranes and application to a continuous system
Arica, MY; Denizli, A; Salih, B; Piskin, E; Hasirci, V (Elsevier Science Bv, 1997)Poly(2-hydroxyethyl methacrylate) (poly(HEMA)) membranes were prepared by W-initiated photopolymerization of HEMA in the presence of an initiator (a-a'-azobisisobutyronitrile, AIBN). An affinity dye, i.e. Cibacron Blue ... -
Cibacron Blue F3GA and Cu(II) derived poly(2-hydroxyethylmethacrylate) membranes for lysozyme adsorption
Denizli, A; Senel, S; Arica, MY (Elsevier Science Bv, 1998)Lysozyme adsorption onto Cibacron Blue F3GA and Cu(II) derived poly(2-hydroxyethyl methacrylate) [poly(HEMA)] membranes was investigated. Microporous poly(HEMA) membranes were prepared by photopolymerization of HEMA. The ... -
Cibacron Blue F3GA-incorporated macroporous poly(2-hydroxyethyl methacrylate) affinity membranes for heavy metal removal
Denizli, A; Salih, B; Arica, MY; Kesenci, K; Hasirci, V; Piskin, E (Elsevier Science Bv, 1997)Macroporous poly(2-hydroxyethyl methacrylate), poly(HEMA), membranes were prepared by UV-initiated photo-polymerization of HEMA in the presence of an initiator (azobisisobutyronitrile, AIBN). An affinity dye, i.e., Cibacron ... -
Comparison of β-galactosidase immobilization by entrapment in and adsorption on poly(2-hydroxyethylmethacrylate) membranes
Baran, T; Arica, MY; Denizli, A; Hasirci, V (John Wiley & Sons Ltd, 1997)beta-Galactosidase was immobilized in/on poly(2-hydroxyethyl methacrylate) (pHEMA) membranes by two different methods: adsorption on Cibacron F3GA derivatized pHEMA membranes (pHEMA-CB), and entrapment in the bulk of the ... -
Concanavalin a immobilized affinity adsorbents for reversible use in yeast invertase adsorption
Yavuz, H; Akgol, S; Arica, Y; Denizli, A (Wiley-V C H Verlag Gmbh, 2004)Concanavalin A (Con A) immobilized poly(2-hydroxyethyl methacrylate) (PHEMA) beads were investigated for specific adsorption of yeast invertase from aqueous solutions. PHEMA beads were prepared by a suspension polymerization ... -
Covalent immobilisation of invertase onto a reactive film composed of 2-hydroxyethyl methacrylate and glycidyl methacrylate: properties and application in a continuous flow system
Bayramoglu, G; Akgol, S; Bulut, A; Denizli, A; Arica, MY (Elsevier Science Sa, 2003)Invertase was covalently immobilised on the poly(hydroxyethyl methacrylate-co-glycidyl methacrylate) (poly(HEMA-GMA)) film. The invertase immobilisation capacity of the films was increased as the GMA ratio increased in the ... -
Dithiocarbamate-incorporated monosize polystyrene microspheres for selective removal of mercury ions
Denizli, A; Kesenci, K; Arica, Y; Piskin, E (Elsevier Science Bv, 2000)Dithiocarbamate-incorporated monosize polystyrene based microspheres (2 mu m in diameter) were used for selective removal of Hg(II) from aqueous solutions containing different amounts of Hg(II) (10-100 ppm). Adsorption ... -
Dye affinity poly(2-hydroxyethyl methacrylate) membranes for removal of heavy metal ions
Denizli, A; Say, R; Arica, MY (Marcel Dekker Inc, 2000)The dichlorotriazinyl dye-ligand Procion Red HE-3B-anchored poly(EGDMA-HEMA) membranes were used for removal of heavy metal ions (i.e., copper, arsenic, cadmium and mercury) from aqueous media containing different amounts ... -
Dye derived and metal incorporated affinity poly(2-hydroxyethyl methacrylate) membranes for use in enzyme immobilization
Arica, MY; Denizli, A; Baran, T; Hasirci, V (John Wiley & Sons Ltd, 1998)Microporous poly(2-hydroxyethyl methacrylate) (PHEMA) membranes were prepared by W-initiated photopolymerization of HEMA in the presence of an initiator (alpha,alpha'-azobisisobutyronitrile, AIBN). An affinity dye Cibacron ... -
Dye-ligand and metal chelate poly(2-hydroxyethylmethacrylate) membranes for affinity separation of proteins
Arica, MY; Testereci, HN; Denizli, A (Elsevier Science Bv, 1998)Cibacron Blue F3GA was covalently immobilized onto poly(2-hydroxyethyl methacrylate) (pHEMA) membranes via the nucleophilic reaction between the chloride of its triazine ring and the hydroxyl group of pHEMA. Then, Fe3+ ... -
Fluoride release from microporous poly(2-hydroxyethyl methacrylate) membranes
Yildirmaz, G; Akgol, S; Arica, MY; Sonmez, H; Denizli, A (Elsevier Science Bv, 2003)Fluoride ion is commonly used in the preventive treatment of tooth decay and when provided with extra fluoride, children living in regions that lack fluoride benefit from it. In the present study, the clinical properties ... -
Immobilization of glucoamylase onto spacer-arm attached magnetic poly(methylmethacrylate) microspheres: characterization and application to a continuous flow reactor
Arica, MY; Yavuz, H; Patir, S; Denizli, A (Elsevier Science Bv, 2000)Magnetic poly(methylmethacrylate) microspheres (MPMMA) were prepared by the solvent evaporation method and a 6-carbon spacer-arm (i.e. hexamethylene diamine, HMDA) was covalently attached by the reaction of carbonyl groups ... -
In vitro cadmium removal from human serum by Cibacron Blue F3GA-thionein-complex conjugated affinity membranes
Denizli, F; Denizli, A; Arica, MY (John Wiley & Sons Ltd, 2000)A new membrane affinity biosorbent carrying thionein has been developed for selective removal of cadmium ions from human serum. Microporous poly(2-hydroxyethyl methacrylate) (pHEMA) membranes were prepared by photopolymerization ... -
Invertase immobilized on spacer-arm attached poly(hydroxyethyl methacrylate) membrane: Preparation and properties
Arica, MY; Senel, S; Alaeddinoglu, NG; Patir, S; Denizli, A (John Wiley & Sons Inc, 2000)Microporous poly(2-hydroxyethyl methacrylate) (pHEMA) membrane was prepared by UV-initiated photopolymerization. The spacer arm (i.e., hexamethylene diamine) was attached covalently and then invertase was immobilized by ... -
Metal-chelating properties of poly(2-hydroxyethyl methacrylate-methacryloylamidohistidine) membranes
Denizli, A; Bektas, S; Arica, Y; Genc, O (John Wiley & Sons Inc, 2005)Metal-chelating membranes have advantages as adsorbents in comparison with conventional beads because they are not compressible and they eliminate internal diffusion limitations. The aim of this study was to explore in ... -
Monosize and non-porous p(HEMA-co-MMA) microparticles designed as dye- and metal-chelate affinity sorbents
Denizli, A; Yavuz, H; Arica, Y (Elsevier Science Bv, 2000)Congo red was immobilised onto monosize and non-porous poly(2-hydroxyethylmethacrylate-co-methylmethacrylate) [p(HEMA-co-MMA)] copolymer microparticles (4.0 mu m in diameter). Then Fe(III) ions were complexed by chelation ...