Güncel Gönderiler: Fen Fakültesi
Toplam kayıt 2379, listelenen: 1561-1580
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Effective mass of electron in monolayer graphene: Electron-phonon interaction
(Amer Inst Physics, 2013)Shubnikov-de Haas (SdH) and Hall effect measurements performed in a temperature range between 1.8 and 275 K, at an electric field up to 35 kV m(-1) and magnetic fields up to 11 T, have been used to investigate the electronic ... -
Superconductivity in MBE grown InN
(Wiley-V C H Verlag GMBH, 2011)We present the experimental investigation of superconductivity in unintentionally doped MBE grown InN samples with various InN film thicknesses. A significant change in resistivity was observed at 3.82K, for an 1080 nm InN ... -
Optical absorption and spectroscopic properties of thulium doped (TeO2)(Nb2O5)(TiO2) glasses
(Wiley-V C H Verlag GMBH, 2011)A type of thulium doped tellurite based optical glasses was prepared through conventional melt quenching technique. In the experiments, the effect of different Tm3+ ion concentration and glass composition on optical ... -
Preparation and characterization of activated carbon from waste biomass
(Elsevier Science BV, 2009)Lignocellulosic materials are good and cheap precursors for the production of activated carbon. In this study, activated carbons were prepared from the pyrolysis of soybean oil cake at 600 and 800 C by chemical activation ... -
Diaquabis[4-(dimethylamino)benzoato]-kappa O-2,O ';kappa O-(isonicotinamide-kappa N-1)cobalt(II)
(Int Union Crystallography, 2009)The title Co-II complex, [Co(C9H10NO2)(2)(C6H6N2O)(H2O)(2)], contains two 4-dimethylaminobenzoate (DMAB) anions, one isonicotinamide (INA) ligand and two coordinated water molecules. One of the DMAB anions acts as a bidentate ... -
Antimicrobial and Antioxidant Activities of Extracts and Lichen Acids Obtained From Some Umbilicaria Species From Central Anatolia, Turkey
(Wiley-Blackwell, 2013)In this study, the methanolic extracts and lichens acids obtained from six Umbilicaria species were tested for their antimicrobial activity (against three Gram-positive bacteria, five Gram-negative bacteria and two yeasts ... -
Design and Preparation of Nano-Lignin Peroxidase (NanoLiP) by Protein Block Copolymerization Approach
(MDPI AG, 2016)This study describes the preparation of nanoprotein particles having lignin peroxidase (LiP) using a photosensitive microemulsion polymerization technique. The protein-based nano block polymer was synthesized by cross-linking ... -
Activated carbons from waste biomass by sulfuric acid activation and their use on methylene blue adsorption
(Elsevier Sci LTD, 2008)Preparation of the activated carbons from sunflower oil cake by sulphuric acid activation with different impregnation ratios was carried out. Laboratory prepared activated carbons were used as adsorbents for the removal ... -
Activated Carbons From Grape Seeds By Chemical Activation With Potassium Carbonate And Potassium Hydroxide
(Elsevier, 2014)Activated carbons were produced from grape seed using either potassium carbonate (K2CO3) or potassium hydroxide (KOH). The carbonization experiments were accomplished at 600 and 800 degrees C. The effects of the experimental ... -
Thermal, Optical Properties and Structural Investigation of Tm3+ doped TeO2-ZnO-TiO2 Glass System
(E D P Sciences, 2010)Tellurite based infrared glasses in the Tm3+ doped TeO2-ZnO-TiO2 system were prepared and its optical properties and crystallization kinetics investigated by using UV-VIS-NIR spectrophometer and differential thermal analysis ... -
Investigation of Er doped zinc borate glasses by low-temperature photoluminescence
(Elsevier Science BV, 2017)Er3+ doped (95-x)B2O3-xZnO-5TiO(2) (x = 45, 50 and 55 mol%) bulk glasses were prepared by conventional melt quenching method and investigated by transmission and photoluminescence (PL) spectroscopy. Transmission spectra ... -
Biosorption of Cadmium Ions from Aqueous Solution Onto Non-living Lichen Ramalina fraxinea Biomass
(Wiley-V C H Verlag GMBH, 2009)Living lichens are known to accumulate metals across their surface. in this study, the biosorption of cadmium ions (Cd(2+)) by the lichen Ramalina fraxinea was investigated in aqueous solution in a batch system with respect ... -
Adsorption of Methylene Blue From Aqueous Solution on Activated Carbon Produced From Soybean Oil Cake By Koh Activation
(North Carolina State University Dept Wood & Paper Sci, 2012)This study presents the adsorption behavior of the methylene blue (MB) dye onto the activated carbon produced from soybean oil cake by chemical activation with KOH at 800 degrees C. The adsorption isotherms, kinetic models, ... -
Identification by RP-HPLC-DAD, FTIR, TGA and FESEM-EDAX of natural pigments prepared from Datisca cannabina L
(Elsevier Sci LTD, 2012)In this study, natural pigments from the hemp (Datisca cannabina L) dye plant were prepared by using KAI(SO4)(2)center dot 12H(2)O (alum), FeSO4 center dot 7H(2)O and SnCl2 center dot 2H(2)O mordants. A reversed-phase high ... -
Characterization of Dyestuffs and Metals from Selected 16-17th-Century Ottoman Silk Brocades by RP-HPLC-DAD and FESEM-EDX
(Taylor & Francis Inc, 2015)In this study, the analysis of dyestuff and metal thread samples present in the 16-17th-century Ottoman silk textile samples were performed by HPLC-DAD (high-performance liquid chromatography coupled with diode array ... -
Synthesis, characterization and ellipsometric study of ultrasonically sprayed Co3O4 films
(Springer Heidelberg, 2015)In the present study, cobalt oxide (Co3O4) films were produced using ultrasonic spray pyrolysis technique onto the glass substrate at different temperatures (200-250-300-350 A degrees C). The effect of substrate temperature ... -
Effect of Cobalt Doping on Nanostructured CuO Thin Films
(Springer, 2014)The growth of cobalt-doped nanostructured CuO thin films using the successive ionic layer adsorption and reaction (SILAR) method is presented. It is found that Co doping considerably influences the structural (X-ray ... -
Bandgap variation of nanostructure tin doped CdO films via SILAR processing
(Elsevier Sci LTD, 2014)Five series of pure and tin-doped CdO films have been grown on amorphous glass substrates by the successive ionic layer adsorption and reaction (SILAR) method. The film's structural, morphological and optical properties ... -
Effects of Neon and Argon Atmospheric-Pressure Plasma Jets on Coumarin Dissolved in Solvents
(IEEE-Inst Electrical Electronics Engineers Inc, 2017)The atmospheric-pressure plasma jets and their applications discussed here are a topic of great interest in the fields of science and technology. As is referred to in this paper, the plasma generated in a laboratory setting ... -
Effect of Atmospheric-Pressure Plasma Jet of Neon on 7-Acetoxy-6-(2,3-Dibromopropyl)-4,8-Dimethylcoumarin Molecule
(Physical Soc Japan, 2017)Atmospheric-pressure low-temperature plasma jets and their applications are a topic of great interest in the fields of physics, technology, and medicine. In this study, the used self-made plasma jet is based on a dielectric ...
