Güncel Gönderiler: Makale Koleksiyonu
Toplam kayıt 432, listelenen: 201-220
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A dye-ligand immobilized poly(2-hydroxyethylmethacrylate) membrane used for adsorption and isolation of immunoglobulin G
(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 ... -
Biosorption of benzidine based textile dyes "Direct Blue 1 and Direct Red 128" using native and heat-treated biomass of Trametes versicolor
(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 ... -
Kinetics of mercury ions removal from synthetic aqueous solutions using by novel magnetic p(GMA-MMA-EGDMA) beads
(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 ... -
Pallavicinia lyellii (Hook.) Carruth. in Turkey, new to southwestern Asia
(Adac-Cryptogamie, 2007)Pallavicinia lyellii (Pallaviciniaceae, Hepaticae) is recorded for the first time in southwestern Asia, from specimens collected in Turkey. -
Immobilization of β-galactosidase onto magnetic poly(GMA–MMA) beads for hydrolysis of lactose in bed reactor
(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 ... -
External morphology of the male harvestman Phalangium opilio (Arachnida: Opiliones)
(Entomological Society America, 2007)In opilionids, scanning electron microscopy (SEM) studies are necessary to identify the characters of taxonomic and systematic importance. Such studies are needed especially for understanding the functional anatomy and ... -
Antimicrobial activity of some endemic plant species from Turkey
(Academic Journals, 2007)Six plant extracts obtained from different parts such as the leaves, flowers and seeds of four species of the endemic plants in Turkey were tested on a total of 14 microorganisms, 10 of which were bacterial strains and 4 ... -
Smart and cationic poly(NIPA)/PEI block copolymers as non-viral vectors: in vitro and in vivo transfection studies
(Wiley-Blackwell, 2007)In this study, in vitro and in vivo transfection of temperature-sensitive, polycationic poly(N-isopropylacrylamide) and polyethyleneimine copolymers (poly(NIPA)/PE125L) were performed. Copolymer and copolymer-plasmid DNA ... -
Removal of Cd(II), Hg(II), and MID ions from aqueous solution using p(HEMA/Chitosan) membranes
(Wiley, 2007)An interpenetration network (IPN) was synthesized from 2-hydroxyethyl methacrylate (HEMA) and chitosan, p(HEMA/chitosan) via UV-initiated photo-polymerization. The selectivity to different heavy metal ions viz Cd(II), ... -
Screening antimicrobial activity of various extracts of Artemisia dracunculus L.
(Wiley, 2007)The antimicrobial activities of chloroform, acetone and two different concentrations of methanol extracts of Artemisia dracunculus L. were studied. These extracts were tested against nine bacteria and four yeasts strains ... -
Biosorption of Reactive Red-120 dye from aqueous solution by native and modified fungus biomass preparations of Lentinus sajor-caju
(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 ... -
Production of high temperature-resistant strains of Agaricus bitorquis
(Academic Journals, 2006)In this study, the culture mushroom Agaricus bitorquis (Quel.) Sacc. was examined for growth of mycelia and fructifications under high temperature. The spores taken from the mushrooms that were collected from nature were ... -
Antimicrobial activity and chemical compositions of Turkish propolis from different regions
(Academic Journals, 2006)The antimicrobial activity of propolis against some gram-positive and gram-negative bacteria and its chemical composition were evaluated by the method of agar-well diffusion and GC-MS, respectively. Some typical compounds ... -
Antibacterial and antifungal activity of Heracleum sphondylium subsp artvinense
(Academic Journals, 2006)Ethanol and aqueous extract of Heracleum sphondylium subsp. artvinense was investigated for their antimicrobial activities against eight bacterial species (Enterococcus feacalis, Escherichia coli, Staphylococcus aureus, ... -
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
(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 ... -
Studies on accumulation of uranium by fungus Lentinus sajor-caju
(Elsevier, 2006)The untreated, heat- and alkali-treated Lentinus sajor-caju mycelia were used for the recovery of uranium from aqueous solutions. The effect of pH, temperature, initial concentration of UO22+, ions and contact time parameters ... -
Comparison of the essential oils of Prangos turcica A. Duran, M. Sagiroglu et H. Duman fruits obtained by different isolation techniques
(Allured Publ Corp, 2006)The essential oils from fruits of Prangos turcica A. Duran, M. Sagiroglu et H. Duman were obtained by hydrodistillation (HD), microdistillation (MD), micro-steam distilled solid-phase microextraction (MSD-SPME) techniques ... -
Immunoglobulin G adsorption behavior of L-histidine ligand attached and Lewis metal ions chelated affinity membranes
(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 ... -
Biosorption of mercury(II), cadmium(II) and lead(II) ions from aqueous system by microalgae Chlamydomonas reinhardtii immobilized in alginate beads
(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
(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 ...