Yazar "Anadolu Üniversitesi, Fen Fakültesi, Fizik Bölümü" için Fen Fakültesi listeleme
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Enhanced catalytic activity of o-iodosobenzoate in poly[(styrylmethyl)hexadecyldimethylammonium chloride] latexes for the hydrolysis of p-nitrophenyl diphenyl phosphate
Karabacak, R. Bengü; Erdem, Murat; Türk, Hayrettin (Elsevier Science BV, 2011)Six 5.0 mol% crosslinked poly[(styrylmethyl)hexadecyldimethylammonium chloride] latexes containing 8-67% quaternization were synthesized via two-stage process and used as supports for o-iodosobenzoate (IBA) catalyst in the ... -
Equilibrium and kinetics of biosorption of lead(II) from aqueous solutions by Cephalosporium aphidicola
Tunalı, Sancar; Akar, Tamer; Özcan, Asiye Safa; Kıran, I; Özcan, Adnan (Elsevier Science BV, 2006)Biosorption of lead(II) onto Cephalosporium aphidicola was examined and the effects of pH, contact time, biosorbent and lead(II) concentrations and temperature on biosorption were investigated. The nature of the possible ... -
Estimation of ground and excited states dipole moments of alpha-hydroxy phenyl hydrazone derivatives: Experimental and quantum chemical methods
Sidir, İsa; Sidir, Yadigar Gülseven; Demiray, Ferhat; Berber, Halil (Elsevier Science BV, 2014)The ground state (mu(g)) and excited state (mu(e)) dipole moments of the studied alpha-hydroxy phenylhydrazones are determined by using solvatochromism theory which is based on the variation of Stokes shift with solvent's ... -
Ethyl 1-oxo-1,2,3,4-tetrahydro-9H-carbazole-3-carboxylate
Hökelek, Tuncer; Dal, Hakan; Tercan, Barış; Göçmentürk, Mustafa; Ergün, Yavuz (Int Union Crystallography, 2009)The title compound, C15H15NO3, contains a carbazole skeleton with an ethoxycarbonyl group at the 3 position. In the indole ring system, the benzene and pyrrole rings are nearly coplanar, forming a dihedral angle of 1.95 ... -
Ethyl 4-hydroxy-9-tosyl-9H-carbazole-3-carboxylate
Hökelek, Tuncer; Dal, Hakan; Tercan, Barış; Gülle, Sibel; Ergün, Yavuz (Int Union Crystallography, 2009)In the title compound, C22H19NO5S, the carbazole skeleton is nearly planar [maximum deviation = 0.043 (1) angstrom] with the pyrrole ring oriented at dihedral angles of 2.32 (6) and 1.77 (6)degrees with respect to the ... -
Ethylene Adsorption on Acid-treated Clay Minerals
Erdoğan Alver, Burcu; Sakızcı, Meryem (Multi-Science Publ Co LTD, 2012)The adsorption of ethylene (C2H4) on five clay minerals (sepiolite, two kaolinites and two bentonites) and on forms treated with 1 M HCl solution (SH, K1H, K2H, B1H and B2H) was investigated. Adsorption isotherms for ... -
Evaluation of mineralization kinetics and pathway of norfloxacin removal from water by electro-Fenton treatment
Özcan, Ali; Özcan, Ayça Atılır; Demirci, Yusuf (Elsevier Science Sa, 2016)The development of antibiotic resistance in bacteria, which arises from the presence of antibiotics in wastewater systems, is one of the most important problems of human beings nowadays. In this study, the removal of ... -
Evaluation of Silver Content and Antibacterial Activities of Silver Loaded Fiber/Cotton Blended Textile Fabrics
Üreyen, Mustafa Erdem; Gök, Özer; Ateş, Mustafa; Günkaya, Göktuğ; Suzer, Şefik (Ege Universityersitesi, 2010)The aims of this work were to analyze the antibacterial activity and laundering durability of the silver loaded cellulosic fiber/cotton blended antibacterial textile fabrics, to quantify the silver content present in ... -
Evaluation on dye removal capability of didodecyldimethylammonium-bentonite from aqueous solutions
Öncü-Kaya, Elif Mine; Side, Nilgün; Gök, Özer; Özcan, Asiye Safa; Özcan, Adnan (Taylor & Francis Inc, 2017)The removal efficiency of Reactive Blue 19 (RB19) by using surfactant-modified bentonite (MB) from aqueous solutions, and also textile wastewater samples was examined. Natural bentonite (NB) was firstly modified with ... -
Evolution of Vibrational Modes of SiO2 During the Formation of Ge and Si Nanocrystals by Ion Implantation and Magnetron Sputtering
Imer, A. Gençer; Yerci, S.; AlagÖz, A. S.; Kulakçı, M.; Serincan, Uğur; Finstad, T. G.; Turan, R. (Amer Scientific Publishers, 2010)Structural variations of SiOx matrix have been studied with Fourier Transform Infrared Spectroscopy (FTIR) during the formation of Si and Ge nanocrystal. Two frequently used methods, magnetron sputtering and ion implantation ... -
Exact solutions in five-dimensional axi-dilaton gravity with Euler-Poincare term
Aliev, Alikram N.; Cebeci, Hakan; Dereli, Tekin (IOP Publishing LTD, 2007)We examine the effective field equations that are obtained from the axi-dilaton gravity action with a second-order Euler-Poincare term and a cosmological constant in all higher dimensions. We solve these equations for ... -
An exact treatment for the BEC with three-body recombination and time-dependent scattering length
Yüce, C. (Academic Press Inc Elsevier Science, 2007)In this study, Gross-Pitaevskii (GP) equation with three-body recombination and with a time-dependent scattering length is investigated. It is shown that GP equation admits an exact solution for a special choice of the ... -
Exciton states in a quantum dot with parabolic confinement
In this study the electronic eigenstructure of an exciton in a parabolic quantum dot (QD) has been calculated with a high accuracy by using Finite element method (FEM). We have converted the coordinates of electronlight-hole ... -
Experimental and computational studies on the absorption properties of novel formazan derivatives
Türkoğlu, Gülsen; Çınar, M. Emin (Scientific Technical Research Council Turkey-Tubitak, 2017)Eight novel 3-(4-(benzyloxy)phenyl)-5-(4-bromophenyl)-1-(4-substituted-phenyl)formazan (4a 4h) were synthesized by coupling of substituted phenylhydrazones with diazonium salts of 4-bromoaniline. The substituted phenylhydrazones, ... -
Experimental and DFT studies on the vibrational spectra of 1H-indene-2-boronic acid
Alver, Özgür; Kaya, Mehmet Fatih (Elsevier Science BV, 2014)Stable conformers and geometrical molecular structures of 1H-indene-2-boronic acid (I-2B(OH)(2)) were studied experimentally and theoretically using FT-IR and FT-Raman spectroscopic methods. FT-IR and FT-Raman spectra were ... -
Experimental and theoretical investigation of a novel mononuclear copper(II) azido compound with tridentate (NNO) Schiff base
Karahan, Ahmet; Karabulut, Sedat; Dal, Hakan; Kurtaran, Raif; Leszczynski, Jerzy (Elsevier, 2015)The tridentate (NNO) Schiff base (HL), has been prepared by the condensation of 2-(aminomethyl)pyridine with 5-chloro-salicylaldehyde. The mononuclear [N-(2-pyridylmethyl)-3-chloro-salicylaldiminato] (azido) copper(II) ... -
An experimental and theoretical investigation on adsorption properties of some diphenolic Schiff bases as corrosion inhibitors at acidic solution/mild steel interface
Yurt, Ayşel; Duran, Berrin; Dal, Hakan (Elsevier Science BV, 2014)The effect of novel synthesized three Schiff bases, namely, 1,3-bis[2-(2-hydroxy benzylidenamino) phenoxy] propane (P1), 1,3-bis[2-(5-chloro-2-hydroxybenzylidenamino)phenoxy] propane (P2), and 1,3-bis[2-(5-bromo-2-hydrox ... -
Experimental and theoretical investigations of novel synthesized organo-silane compounds and modified mesoporous silica materials
Ermiş, Emel; Demircioğlu, Yasemin Suzen; Özcan, Asiye Safa (Elsevier Science BV, 2019)In this study, the novel compounds (2,5-dimethoxy-methanimine propyltriethoxysilane; S1 and 3-ethoxy-salicylaldimine propyltriethoxysilane; S2) derived from aminopropyltriethoxysilane (APTES) were synthesized by a simple ... -
Experimental and theoretical NMR study of 4-(3-cyclohexen-1-yl)pyridine
Parlak, Cemal; Alver, Özgür; Şenyel, Mustafa (Pergamon-Elsevier Science LTD, 2008)H-1, C-13, DEPT, COSY, NOESY and HETCOR NMR spectra of 4-(3-cyclohexen-1-yl)pyridine (4-Chpy) have been reported for the first time. H-1 and C-13 NMR chemical shifts of 4-Chpy (C11H13N) have been calculated by means of the ... -
Experimental and theoretical studies on tautomeric structures of a newly synthesized 2,2'(hydrazine-1,2-diylidenebis(propan-1-yl-1-ylidene)) diphenol
Karakurt, Tuncay; Çukurovalı, Alaaddin; Subaşı, Nuriye Tuna; Onaran, Abdurrahman; Ece, Abdulilah; Eker, Sıtkı; Kani, İbrahim (Elsevier Science BV, 2018)In the present study, a single crystal of a Schiff base, 2,2'(hydrazine-1,2-diylidenebis(propan-1-yl-1-ylidene)) diphenol, was synthesized. The structure of the synthesized crystal was confirmed by H-1 and C-13 NMR ...