Yazar "Anadolu Üniversitesi, Fen Fakültesi, Fizik Bölümü" için Fen Fakültesi listeleme
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Determination of Clenbuterol by Multiwalled Carbon Nanotube Potentiometric Sensors
Özkütük, Ebru Birlik; Uğurag, Deniz; Ersöz, Arzu; Say, Rıdvan (Taylor & Francis Inc, 2016)Potentimetric sensors based on molecularly imprinted polymers are reported for the selective determination of clenbuterol. The work involved the modification of multiwalled carbon nanotubes, the modification of chitosan ... -
Determination of dislocation densities in InN
Ardalı, Şükrü; Tıraş, Engin; Güneş, Mustafa; Balkan, Naci; Ajagunna, Adebowale Olufunso; Iliopoulos, Eleftherios; Georgakilas, Alexandros (Wiley-V C H Verlag GMBH, 2012)The magneto-transport measurements, carried out at magnetic fields up to 11 T and in the temperature range between 1.8 K and 300 K, are used to investigate the scattering mechanisms in GaN/InN/AlN double heterojunctions. ... -
Determination of DNA in Certain Salvia Species by Capillary Gel Electrophoresis
Öncü-Kaya, Elif Mine; Uysal, Ülkü Dilek; Öztürk, Nilgün; Cenkci, Süleyman; Tunçel, Muzaffer (Taylor & Francis Inc, 2015)This article presents a newly developed capillary gel electrophoresis (CGE) using dynamic coating with hydroxyethylcellulose methodology for the separation of fourteen standard DNA fragments and determination of RAPD-PCR ... -
Determination of Equilibrium, Kinetic and Thermodynamic Parameters of Acid Red 88 Adsorption Onto Montmorillonitic Clay
Dikmen, Sedef; Günay, Ahmet; Ersoy, Bahri; Erol, İbrahim (Gh Asachi Technical University Iasi, 2015)The aim of this study is to evaluate adsorption kinetics, isotherms and thermodynamic parameters of anionic textile dye (Acid Red 88) onto montmorillonitic clay from aqueous solutions. The parameters of pH, initial dye ... -
Determination of Oxalate Ion in Bayer Liquor Using Electrochemical Method
Turhan, Seval; Usta, Betül; Şahin, Yücel; Uysal, Oktay (John Wiley & Sons, 2011)bauxite with caustic liquor and the subsequent precipitation of hydrated alumina [1]. Most bauxite contains organic compounds in various amounts. Depending upon the digestion conditions, 5-10% of the organic carbon is ... -
Determination of parabens in pharmaceutical and cosmetic products by capillary electrophoresis
Uysal, Ülkü Dilek; Güray, T. (Maik Nauka/Interperiodica/Springer, 2008)A validated capillary electrophoresis method for the determination of parabens-methyl, ethyl, propyl, and butyl is described. The optimum results were obtained by the use of a run buffer containing 20 mM borate buffer (pH ... -
Determination of paracetamol based on electropolymerized-molecularly imprinted polypyrrole modified pencil graphite electrode
Özcan, Levent; Şahin, Yücel (Elsevier Science Sa, 2007)Preparation of a molecularly imprinted polymer (MIP) film and its recognition property for paracetamol are investigated. The polypyrrole (PPy) film was prepared by the cyclic voltammetric deposition of pyrrole (Py) in the ... -
Determination of Sulfamethoxazole in Pharmaceutical Formulations by Flow Injection System/HPLC with Potentiometric Detection using Polypyrrole Electrode
Ozkorucuklu, Sabriye Percin; Şahin, Yücel; Alsancak, Güleren (Soc Brasileira Quimica, 2011)In this work, it was used a polypyrrole (PPy) electrode as a potentiometric electrochemical detector in a flow injection system in order to determine sulfamethoxazole in pharmaceutical formulations. The PPy electrode was ... -
Determination of the alloy scattering potential in modulation-doped In 0.53Ga0.47As/In0.52Al0.48As heterojunctions from magnetotransport measurements
Tiraş, E.; Altınöz, S.; Cankurtaran, M.; Çelik, H.; Balkan, N. (2005)The results of magnetotransport measurements are used to investigate the scattering mechanisms and hence to determine the alloy disorder scattering potential in modulation-doped In0.53Ga0.47As/In 0.52Al0.48As heterojunction ... -
Determination of the carrier density dependent electron effective mass in InN using infrared and Raman spectra
Tıraş, Engin; Tanışlı, Murat; Balkan, Naci; Ardalı, Şükrü; Iliopoulos, E.; Georgakilas, A. (Wiley-V C H Verlag GMBH, 2012)The vibrational properties of InN samples grown by molecular beam epitaxy (MBE) technique have been studied using infrared (IR) and Raman scattering spectroscopy at room temperature. In the Raman measurements, the 532?nm ... -
Determination of the electron effective mass of 2D electrons in AlGaN/AlN/GaN heterostructure by Raman-scattering measurements
Tıraş, Engin (Natl Inst Optoelectronics, 2012)The electron effective mass in AlGaN/AlN/GaN heterostructure grown by the metalorganic chemical vapor deposition (MOCVD) technique was determined from the phonon-plasmon coupled-mode line-shape analysis of vibrational ... -
Determination of the electron effective mass of 2D electrons in AlGaN/AlN/GaN heterostructure by Ramanscattering measurements
Tıraş, Engin (2012)The electron effective mass in AlGaN/AlN/GaN heterostructure grown by the metalorganic chemical vapor deposition (MOCVD) technique was determined from the phonon-plasmon coupled-mode line-shape analysis of vibrational ... -
Determination of the electronic parameters of nanostructure SnO2/p-Si diode
Çağlar, Yasemin; Çağlar, Müjdat; Ilıcan, Saliha; Yakuphanoğlu, Fahrettin (Elsevier Science BV, 2009)The current-voltage and capacitance-voltage characteristics of the nanostructure SnO2/p-Si diode have been investigated. The optical band gap and microstructure properties of the SnO2 film were analyzed by optical absorption ... -
Determination of the equilibrium, kinetic and thermodynamic parameters of adsorption of copper(II) ions onto seeds of Capsicum annuum
Özcan, Adnan; Özcan, Asiye Safa; Tunalı, Sibel; Akar, Tamer; Kıran, İsmail (Elsevier Science BV, 2005)Adsorption of copper ions onto Capsicum annuum (red pepper) seeds was investigated with the variation in the parameters of pH, contact time, adsorbent and copper(II) concentrations and temperature. The nature of the possible ... -
Determination of the in-plane effective mass and quantum lifetime of 2D electrons in AlGaN/GaN based HEMTs
Çelik, Özlem; Tıraş, Engin; Ardalı, Şükrü; Lisesivdin, Sefer Bora; Özbay Ekmel (Wiley-V C H Verlag GMBH, 2011)Magnetoresistance and Hall resistance measurements have been used to investigate the electronic transport properties of AlGaN/GaN based HEMTs. The Shubnikov-de Haas (SdH) oscillations from magnetoresistance, is obtained ... -
Determination of the LO phonon energy by using electronic and optical methods in AlGaN/GaN
Çelik, Özlem; Tıraş, Engin; Ardalı, Şükrü; Lisesivdin, Sefer Bora; Özbay Ekmel (De Gruyter Open LTD, 2012)The longitudinal optical (LO) phonon energy in AlGaN/GaN heterostructures is determined from temperature-dependent Hall effect measurements and also from Infrared (IR) spectroscopy and Raman spectroscopy. The Hall effect ... -
The determination of the optical band and optical constants of non-crystalline and crystalline ZnO thin films deposited by spray pyrolysis
Yakuphanoğlu, Fahrettin; Ilıcan, Saliha; Çağlar, Müjdat; Çağlar, Yasemin (Natl Inst Optoelectronics, 2007)The optical constants and optical band gaps of the non-crystalline and crystalline zinc oxide (ZnO) thin films deposited by the spray pyrolysis method onto glass substrates at the different deposition times have been ... -
Determination of the relationship between radon anomalies and earthquakes in well waters on the Aksehir-Simav Fault System in Afyonkarahisar province, Turkey
Yalim, Hüseyin Ali; Sandıkçıoğlu, Ayla; Ertuğrul, Oğuz; Yıldız, Ahmet (Elsevier Sci LTD, 2012)Radon concentrations were measured in water of 4 wells on the Aksehir-Simav Fault System (ASFS) in Afyonkarahisar province from August 2009 to September 2010 and the relationship between radon anomalies and earthquake ... -
The determination of the thickness and optical constants of the ZnO crystalline thin film by using envelope method
Çağlar, Müjdat; Çağlar, Yasemin; Ilıcan, Saliha (Natl Inst Optoelectronics, 2006)ZnO crystalline thin film has been deposited onto glass substrates by the spray pyrolysis method. The crystallographic structure of the film and the size of the crystallites in the film were studied by X-ray diffraction. ... -
Determination of the thickness and optical constants of transparent indium-doped ZnO thin films by the envelope method
Ilıcan, Saliha; Çağlar, Müjdat; Çağlar, Yasemin (Oficyna Wydawnicza Politechniki Wroclawskiej, 2007)Transparent indium-doped ZnO thin films were deposited by the spray pyrolysis method onto glass substrates. The content of indium in the starting solution was 0.5 at. %. The crystallographic structure of the film was studied ...