Güncel Gönderiler: Biyoloji Bölümü
Toplam kayıt 452, listelenen: 221-240
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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 ... -
ITS DNA sequence utility for the relationship of Heracleum L. (umbelliferae) genus
(Blackwell Publishing, 2006)… -
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 ... -
The fine structures of Cystocaulus ocreatus (Nematoda : Protostrongylidae) and the related lung pathology
(Versita, 2006)In the present study, the fine surface structures of Cystocaulus ocreatus and its worm as well as brood nodules obtained from the lung of Akkaraman sheep are demonstrated by scanning electron and light microscopy. The mouth ... -
Functional structure of Agelena labyrinthica's (Araneae : Agelenidae) venom gland and electrophoresis of venom
(Pergamon-Elsevier Science Ltd, 2006)The funnel-web spider, Agelena labyrinthica, is widely distributed throughout Turkey. The objective of the present study was to describe the histological and functional fine structure of A. labyrinthica's venom gland by ... -
Human serum albumin adsorption on poly[(glycidyl methacrylate)-co-(methyl methacrylate)] beads modified with a spacer-arm-attached L-histidine ligand
(Wiley, 2006)Poly(GMA/MMA) beads were synthesized from glycidyl methacrylate (GMA) and methyl methacrylate (MMA) in the presence of a cross-linker (i.e. ethyleneglycol dimethacrylate) (EGDMA) via suspension polymerization. The epoxy ... -
Karyotype of Miniopterus schreibersii (Kuhl, 1819) in Turkey (Chiroptera)
(Walter De Gruyter & Co, 2006)… -
Biosorption of copper(II) on immobilised Synechocystis aquatilis
(Parlar Scientific Publications (P S P), 2006)Synechocystis aquatilis was immobilized in Ca-alginate via entrapment. The plain alginate, and alive and heat-inactivated immobilized algae beads were used for the sorption of Cu2+ ions from aqueous solutions at 25 degrees ... -
Invertase reversibly immobilized onto polyethylenimine-grafted poly(GMA-MMA) beads for sucrose hydrolysis
(Elsevier Science Bv, 2006)The epoxy group containing poly(glycidyl methacrylate-co-methyl methacrylate) poly(GMA-MMA) beads were prepared by suspension polymerisation and the beads surface were grafted with polyethylenimine (PEI). The PEI-grafted ...