Makale Koleksiyonu: Recent submissions

Now showing items 221-240 of 753

Photocatalytic efficiencies of Ni, Mn, Fe and Ag doped ZnO nanostructures synthesized by hydrothermal method: The synergistic/antagonistic effect between ZnO and metals

Senay Sen Turkyilmaz; Güy, Nuray; Özacar, Mahmut (ELSEVIER SCIENCE SA, 2017)

The ZnO and different noble and transition metals (Ni, Mn, Fe and Ag) doped ZnO (M/ZnO) nanostructures were synthesized by hydrothermal method. The ZnO and M/ZnO photocatalysts were characterized by Xray diffraction (XRD), ...
Highly Efficient Adsorption of Rh(III) from Chloride Containing Solutions by Triazine Polyamine Polymer

Merve Sayin; Can, Mustafa; İmamoğlu, Mustafa; Arslan, Mustafa (SPRINGER INTERNATIONAL PUBLISHING AG, 2017)

Adsorption of Rh(III) ions from the aqueous phase containing chloride ions was investigated batchwise using 1,3,5-triazine pentaethylenehexamine (TAPEHA) resin, which is highly resistant to strong acidic conditions. The ...
Mercury Determination in Muscle Tissue of Fish Samples Using Microwave Digestion and GAAS Analysis

Altundağ, Hüseyin; Tulay Kupeli; Altıntığ, Esra; Ali Imran Vaizogullar; Ibrahim Kula; Mustafa Tuzen; İmamoğlu, Mustafa (PERKIN-ELMER CORP, 2017)

In this study, the mercury (Hg) levels in muscle tissue of 19 different fish species were determined. The fish samples were collected from the Sakarya River, Sakarya Cark Stream, Sapanca Lake and the Western Black Sea, ...
Anionic water-soluble sulfonated phthalocyanines: microwave-assisted synthesis, aggregation behaviours, electrochemical and in-situ spectroelectrochemical characterisation

Güzel, Emre; Atif Koca; Makbule Burkut Kocak (TAYLOR & FRANCIS LTD, 2017)

In this work, a phthalonitrile derivative bearing p-sulfonylphenoxy group at the 3-position has been synthesised. The water-soluble non-peripherally tetrasubstituted zinc (3) and cobalt (4) phthalocyanines were obtained ...
Enhancing phosphate removal from wastewater by using polyelectrolytes and clay injection

Özacar, Mahmut; Şengil, İsmail Ayhan (ELSEVIER SCIENCE BV, 2003)

Aluminum sulfate, alum, is a common chemical coagulant used for coagulation. Recently, polymers have been utilized in coagulation/flocculation processes for water purification. In this study, the ability of two organic ...
Covalent immobilization of trypsin onto modified magnetite nanoparticles and its application for casein digestion

Atacan, Keziban; Çakıroğlu, Bekir; Özacar, Mahmut (ELSEVIER SCIENCE BV, 2017)

The immobilization method consists of the production magnetite nanoparticles (Fe3O4) by solvothermal treatment of FeCl3 and sodium acetate (NaAc) in the presence of ethylene glycol. Subsequently, the surface of magnetite ...
Design, synthesis and docking study of novel coumarin ligands as potential selective acetylcholinesterase inhibitors

Sönmez, Fatih; Belma Zengin Kurt; Isil Gazioglu; Livia Basile; Aydan Dag; Valentina Cappello; Tiziana Ginex; Küçükislamoğlu, Mustafa; Salvatore Guccione (TAYLOR & FRANCIS LTD, 2017)

New coumaryl-thiazole derivatives with the acetamide moiety as a linker between the alkyl chains and/or the heterocycle nucleus were synthesized and in vitro tested as acetylcholinesterase (AChE) inhibitors. 2-(diethylam ...
Role of ZnO photoanode nanostructures and sensitizer deposition approaches on the photovoltaic properties of CdS/CdSe and CdS1-xSex quantum dot-sensitized solar cells

Şişman, İlkay; Oktay Tekir; Karaca, Hüseyin (ELSEVIER SCIENCE BV, 2017)

Hierarchical bundle-like ZnO nanorod arrays (BNRs) were synthesized by a one-pot hydrothermal method based on two consecutive temperature steps for cascade CdS/CdSe and ternary CdS1-xSex alloy quantum dot-sensitized solar ...
An assessment of alkyl chain length effect of symmetric midazolium salts as a carrier for selective separation of Cr(VI)

Eyüpoğlu, Volkan; Halil Ibrahim Turgut; Emrah Polat; Ahmet Kunduracioglu; Muharrem Ekrem Koc; Zubeyde Sener; Kumbasar, Recep Ali (TAYLOR & FRANCIS INC, 2017)

Selective solvent extraction (SSX) of Cr(VI) and recovery was evaluated by using a homologous series of symmetric imidazolium bromide salts (SIMs) having various alkyl chain length. Therefore, propyl, pentyl, hexyl, octyl, ...
Alkyl chain length dependent Cr(VI) transport by polymer inclusion membrane using room temperature ionic liquids as carrier and PVDF-co-HFP as polymer matrix

Halil Ibrahim Turgut; Eyüpoğlu, Volkan; Kumbasar, Recep Ali; Şişman, İlkay (ELSEVIER SCIENCE BV, 2017)

In this study, the relationship between transport performance of Cr(VI) through PVDF-co-HFP based ionic polymer inclusion membranes (IPIM), alkyl chain length of symmetric imidazolium bromide based room temperature ionic ...
Heavy metal determination of unfertilised vegetables and univariate analysis of the results

Dündar, Mustafa Şahin; Altundağ, Hüseyin; Aysenur Yilmaz (ACG PUBLICATIONS, 2017)

Heavy metal contamination in water and food samples is thought as the result of human activities such as agriculture, traffic and industrial process in this century. Trace metal contents in the soil have increased with the ...
Column Solid Phase Extraction of Ni(II) and Cu(II) Using Salicylaldehyde-Modified Polyamine Polyurea Resin for Their Determination by FAAS in Waters

Özer, Çiğdem; İmamoğlu, Mustafa (PERKIN-ELMER CORP, 2017)

extraction-preconcentration procedure was developed by using a salicylaldehyde modified polyamine polyurea resin as solid phase adsorbent for the determination of Ni(II) and Cu(II) ions at trace level in waters by flame ...
One-pot synthesis of Hantzsch dihydropyridines using a highly efficient and stable PdRuNi@GO catalyst

Tuna Demirci; Betul Celik; Yunus Yildiz; Sinan Eris; Arslan, Mustafa; Fatih Sen; Benan Kilbas (ROYAL SOC CHEMISTRY, 2016)

Addressed herein, highly monodispersed PdRuNi nanoparticles furnished with graphene oxide (PdRuNi@GO NPs) were prepared as novel, stable, efficient and exceptionally reusable heterogeneous catalysts for 1,4-dihydropyridine ...
Purification of polyphenol oxidase from borage (Trachystemon orientalis L.) by using three-phase partitioning and investigation of kinetic properties

Alıcı, Esma Hande; Arabacı, Gülnur (ELSEVIER, 2016)

In this study a Polyphenol oxidase from borage plant was purified with 3.59-fold enrichment in the specific activity and 68.75% recovery of the total activity by using three-phase partitioning purification technique for ...
Application of three-phase partitioning for the purification of peroxidase from kiwano (Cucumis metuliferus)

Z. Denli; Arabacı, Gülnur (WILEY-BLACKWELL, 2016)
Au (III) uptake by triazine polyamine polymers: Mechanism, kinetic and equilibrium studies

Can, Mustafa; Melek Dogan; İmamoğlu, Mustafa; Arslan, Mustafa (ELSEVIER SCIENCE BV, 2016)

Triazine-polyamine polymers were successfully synthesized and adsorption of the gold (III) ions from chloride containing solutions was carried out by comparing the effect of amine chain lengths in the polymers triazine-e ...
Equilibrium and kinetic modelling of adsorption of phosphorus on calcined alunite

Özacar, Mahmut (KLUWER ACADEMIC PUBL, 2003)

The adsorption of phosphorus onto calcined alunite has been studied. Its equilibrium isotherm has been measured. The isotherm was determined by shaking 1.0 g calcined alunite, particle size range 90 - 150 mum, with 100 mL ...
The Heavy-Metal Accumulation in Some Aquatic Plants and their Spatial Distributions in the Lower Sakarya River Basin (Turkey)

Altıntığ, Esra; Sağıroğlu, Mehmet; İkiel, Cercis; Koç, Derya Evrim (SPRINGER INTERNATIONAL PUBLISHING AG, 2016)

To evaluate aquatic macrophyte species, an indicator organism of heavy-metal pollution in bio-monitoring studies of the aquatic ecosystem is studied. The aim of this study is determining some heavy-metal (Pb, Cr, Cu, Mn, ...
Ovarian follicle structure of Zebrafish (Danio rerio Hamilton) after poly(2-ethyl-2-oxazoline) exposure

Yön Ertuğ, Nazan Deniz; Olgun, Uğursoy; Akbulut, Cansu (NATL INST SCIENCE COMMUNICATION-NISCAIR, 2016)

Poly(2-oxazoline)s have been widely known for their biomedical applications. They mimic natural systems and are generally used as liposomes, drug and gene delivery modules and also as pseudopeptides. In this study, effects ...
Discovery of Potent Carbonic Anhydrase and Acetylcholinesterase Inhibitors: 2-Aminoindan beta-Lactam Derivatives

Genç Bilgiçli, Hayriye; Zengin, Mustafa (MDPI, 2016)

beta-Lactams are pharmacologically important compounds because of their various biological uses, including antibiotic and so on. beta-Lactams were synthesized from benzylidene-inden derivatives and acetoxyacetyl chloride. ...