Fen-Edebiyat Fakültesi: Recent submissions

Now showing items 321-340 of 1561

Production and characterization of free-standing ZnO/SnO2/MWCNT ternary nanocomposite Li-ion battery anode

Köse, Hilal; Dombaycıoğlu, Şeyma; Aydın, Ali Osman; Akbulut, Hatem (PERGAMON-ELSEVIER SCIENCE LTD, 2016)

High capacity ZnO/SnO2/MWCNT ternary nanocomposite films were prepared as free-standing anode materials by sol-gel spin coating method to increase the electrochemical discharge capacity of the Li-ion battery electrodes. ...
Analysis of Saccharides by the Addition of Amino Acids

Özdemir, Abdil; Jung-Lee Lin; Kent J. Gillig; Gülfen, Mustafa; Chung-Hsuan Chen (SPRINGER, 2016)

In this work, we present the detection sensitivity improvement of electrospray ionization (ESI) mass spectrometry of neutral saccharides in a positive ion mode by the addition of various amino acids. Saccharides of a broad ...
The Levels of Trace Elements in Honey and Molasses Samples That Were Determined by ICP-OES After Microwave Digestion Method

Altundağ, Hüseyin; Emel Bina; Altıntığ, Esra (HUMANA PRESS INC, 2016)

The aim of this study is determining the amount of Al, Cu, Fe, Mn, Ni, Pb and Zn in samples of molasses and honey which were gathered from the Sakarya and Istanbul regions. In this study, trace elements in 8 honey and 20 ...
Electrochemical Characterization of Al3+ Doped Spinel Cathode Active Nanoparticles for Li-Ion Batteries

Bulut, Emrah; Akbulut, Hatem (POLISH ACAD SCIENCES INST PHYSICS, 2016)

Al3+ doped spinel structured cathode active nanoparticles were produced by microwave hydrothermal synthesis. Structural characterization of as synthesized nanoparticles was performed by X-Ray Diffraction (XRD) Spectroscopy ...
Adsorption of Cu(II), Ni(II) and Pb(II) ions onto polyamine-polyurea polymer modified with pyromellitic dianhydride: kinetic, isotherm and thermodynamic studies

Özer, Çiğdem; Boysan, Füsun; İmamoğlu, Mustafa (DESALINATION PUBL, 2016)

In this study, a polyamine-polyurea polymer modified with pyromellitic dianhydride was used for batch adsorption of Cu(II), Ni(II), and Pb(II) ions to examine the effects of parameters such as pH, contact time, amount of ...
Synthesis and characterization of advanced high capacity cathode active nanomaterials with three integrated spinel-layered phases for Li-ion batteries

Bulut, Emrah; Akbulut, Hatem (ELSEVIER SCIENCE SA, 2016)

Mesoporous cathode active materials that included undoped and separated Cu2+ and Co3+ doped spinels were prepared. The "doped spinel-Layered-Li-rich spinel" composite nanoparticles within the three integrated phased ...
Investigation of the photophysical and photochemical properties of peripherally tetra-substituted water-soluble zwitterionic and cationic zinc(II) phthalocyanines

Senem Colak; Mahmut Durmus; Yıldız, Salih Zeki (ROYAL SOC CHEMISTRY, 2016)

In this study, 4-{4-[N-((3-dimethylamino)propyl)amide]phenoxy}phthalonitrile (1) and its zinc(II) phthalocyanine derivative (2) were synthesized for the first time. 4-(N-((3-Dimethylamino)propyl)amide)phenoxy substituted ...
The biotransformation of some steroids by Aspergillus sydowii MRC 200653

Yıldırım, Kudret; Kuru, Ali (SAGE PUBLICATIONS LTD, 2016)

The incubation of testosterone, dehydroepiandrosterone, progesterone and pregnenolone with Aspergillus sydowii MRC 200653 is reported. Testosterone was mainly hydroxylated at C-6 beta and to a minor extent at C-14 alpha ...
A novel (E,E)-dioxime and its mono-, di- and trinuclear complexes bearing tetradentate octyl sulfanyl phenylamino substituents. Synthesis, characterization and electrochemical properties of its transition metal complexes

Kandaz, Mehmet; Yılmaz, İsmail (SPRINGER, 2002)

A new vic-dioxime, 13,14-bis-(hydroxyimino)-9,12,15,18-diazadithiaoctacosane, has been synthesized from 2-octylsulfanylaminobenzene and (E, E')-dichloroglyoxime. Mononuclear transition metal complexes of Ni-II, Cu-II, Co-II ...
Tetrakis{2-[N-((3-morpholino)propyl)carbamateloxyethyl} zinc(II) phthalocyanine and its water soluble derivatives: Synthesis, photophysical, photochemical and protein binding properties

Senem Colak; Mahmut Durmus; Yıldız, Salih Zeki (ELSEVIER SCIENCE SA, 2016)

In this study, the novel water soluble derivatives of 2-[N-((3-morpholino)propyl)carbamate]oxyethyl substituted zinc(II) phthalocyanine (1) bearing different type of groups such as sulfobetaine (2), betaine (3), N-Oxide ...
Synthesis, photophysical and electrochemical properties of water-soluble phthalocyanines bearing 8-hydroxyquinoline-5-sulfonicacid derivatives

Günsel, Armağan; Sibel Kocabas; Bilgiçli, Ahmet Turgut; Sevgi Guney; Kandaz, Mehmet (ELSEVIER SCIENCE BV, 2016)

We have presented in this paper, the synthesis, characterization, photophysical properties and electrochemical characterization of water soluble phthalocyanines (Pcs) bearing 8-hydroxyquinoline-5-sulfonicacid conjugates ...
Preparation and properties of Ag-coated activated carbon nanocomposites produced from wild chestnut shell by ZnCl2 activation

Altıntığ, Esra; Sule Kirkil (ELSEVIER, 2016)

As a result, it was presented clearly that how the analysed parameters have affected the activated carbon properties and the optimum conditions for producing activated carbons which can be obtained as the result of the ...
Analysis of Saccharides by the Addition of Amino Acids

Özdemir, Abdil; Jung Lee Lın; Kent J. Gıllıng; Gülfen, Mustafa; Prof. Dr. Chang Hsuan Chen (2016)
Investigation of non-covalent complexations of Ca(II) and Mg(II) ions with insulin by using electrospray ionization mass spectrometry

Gülfen, Mustafa; Özdemir, Abdil; Jung Lee Lın; Prof. Dr. Chang Hsuan Chen (2016)
Real Time Hardware Implementation of the 3D Chaotic Oscillator which having Golden-Section Equilibra

Tuna, Murat; Can Bulent Fidan; Ismail Koyuncu; Pehlivan, İhsan (IEEE, 2016)

In this study, the continuous-time, autonomous, 3D chaotic system having golden-section equilibra which is recently presented in the literature is implemented firstly as discrete time on an FPGA. In this design, the 3D ...
Microbial transformation of epiandrosterone by Aspergillus sydowii

Yıldırım, Kudret; Kuru, Ali (SAGE PUBLICATIONS LTD, 2016)

Incubation of epiandrosterone with Aspergillus sydowii MRC 200653 afforded ten metabolites. The fungal dehydrogenation of epiandrosterone is reported for the first time. The formation of the major metabolite, 6 ...
Signal Processing and Communications Applications Conference

Ismail Koyuncu; Çetin, Özdemir; Ferzan Katircioglu; Tuna, Murat (IEEE, 2015)

Image processing can be defined as analysis of the images consists of the several steps. The edge detection process that is one of these steps can be performed using a variety of operators. Sobel edge detection operator, ...
Signal Processing and Communications Applications Conference

Tuna, Murat; Ismail Koyuncu; Can Bulent Fidan; Pehlivan, İhsan (IEEE, 2015)

In this study, a new continuous-time autonomous chaotic system has been presented and implemented on FPGA. Presented a new chaotic system has been designed using the IEEE 754-1985 floating-point format and implemented using ...
The Investigation of Efficient Conditions for Alumina Production from Diasporic Bauxites

Alp, Ahmet; Aydın, Ali Osman (2002)
Efficient Removal of Cd(II) from Aqueous Solution by Dehydrated Hazelnut Husk Carbon

İmamoğlu, Mustafa (TAYLOR & FRANCIS INC, 2015)

In this study, removal of Cd(II) ions from aqueous solutions by dehydrated hazelnut husk carbon (DHHC) was investigated. In batch adsorption process, effective parameters such as pH, contact time, amount of DHHC, and initial ...