Güncel Gönderiler: Fen Edebiyat Fakültesi
Toplam kayıt 674, listelenen: 461-480
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Magnetic and dielectric properties of Bi3+ substituted SrFe12O19 hexaferrite
(Elsevier B.V., 2016)In the present study, SrBixFe12−xO19 (0.0≤x≤1.0) nanomaterials were successfully synthesized by using chemical co-precipitation method. Products were characterized by X-ray diffraction (XRD), Scanning Electron Microscopy ... -
Magneto-optical properties of BaCryFe12−yO19 (0.0 ≤ y ≤ 1.0) hexaferrites
(Elsevier B.V., 2018)In this study, nanocrystalline BaCryFe12−yO19 (0.0 ≤ y ≤ 1.0) hexaferrite powders were prepared by sol–gel auto combustion method and the effect of Cr3+ ion substitution on morphology, structure, optic and magnetic properties ... -
Microstructure, hyperfine interaction and magnetic transition of Fe-25%Ni-5%Si-x%Co alloys
(Springer International Publishing, 2016)Morphological and magnetic properties in Fe-25%Ni-5%Si-x%Co (x = 0, 10, 15) alloys are investigated. Scanning electron microscopy (SEM), Mössbauer spectroscopy and AC magnetic susceptibility measurements are used to determine ... -
Genetic diversity in populations of Isatis glauca Aucher ex Boiss. ssp. from Central Anatolia in Turkey, as revealed by AFLP analysis
(2013)Background Isatidae L. is a complex and systematically difficult genus in Brassicaceae. The genus displays great morphological polymorphism, which makes the classification of species and subspecies difficult as it is ... -
Phylogenetic analysis and prevalence of human papillomavirus (HPV) in women with several cervical pathologies
(Turkish Society of Obstetrics and Gynecology, 2013)Objective: To determinate the prevalence of HPV types in patients with cervical cancers in our legion by Real time PCR and DNA sequence analysis and to make phylogenetic analysis was aimed in this study. Material and ... -
Simple, sensitive and reliable LC-DAD method of gemifloxacin determination in pharmaceutical dosage forms
(2012)A sensitive, accurate, rapid, fully validated, reliable and easy method was developed for the quantification of gemifloxacin mesylate (GEM) using liquid chromatography (LC) with DAD detection. In this method; a reversed-phase ... -
Selection of superior bifidobacteria in the presence of rotavirus
(Associacao Brasileira de Divulgacao Cientifica, 2016)The main purpose of this study was to investigate bifidobacteria flora in fecal samples from children with rotavirus infection and determine the significance of their selected probiotic properties for improvement of health ... -
Oxidative stress and cellular immunity in patients with recurrent aphthous ulcers
(Associacao Brasileira de Divulgacao Cientifica, 2014)Recurrent aphthous ulcer (RAU) is an inflammatory condition of the oral mucosa characterized by painful, well-circumscribed, single or multiple round or ovoid ulcerations. The exact etiologic factor(s) of these ulcerations ... -
Low temperature thermoluminescence of Gd2O3 nanoparticles using various heating rate and Tmax − Texc. methods
(Elsevier B.V., 2019)Thermoluminescence (TL) measurements for Gd 2 O 3 nanoparticles were carried out for various heating rates between 0.3 and 0.8 K/s at low temperatures (10–280 K). TL spectrum exhibited two observable and one faint peaks ... -
Investigation of the effects of Tm 3+ on the structural, microstructural, optical, and magnetic properties of Sr hexaferrites
(Elsevier B.V., 2019)SrTm x Fe 12?x O 4 (0.00 ? x ? 0.10) hexaferrites (HFs) are produced successfully using a sol–gel approach. The structural, optical, and magnetic properties are investigated. The hexagonal phase is confirmed for all the ... -
Synthesis, characterisation and DFT calculations of azo-imine dyes
(Turkish Chemical Society, 2018)In this study, azo dyes containing an imine group were synthesised by coupling p-hydroxybenzylidene aniline with the diazonium salts of p-toluidine, 4-aminophenol, aniline, p-chloroaniline, p-fluoroaniline and p-nitroaniline. ... -
Nicotinamide-modified poly(HEMA-GMA)-Nic cryogels for removal of pesticides
(Turkish Chemical Society, 2018)Chlordane is only one of the persistent pesticides used in some countries despite the ban. Removal of chlordane, a severe threat to all living things, was performed using nicotinamide-modified poly (2-hydroxyethyl ... -
DNA binding and cleavage activities of Na[B(Glu)(OH)2] ·2H2O, Na[B(Cit)(OH)2]·2H2O, Li[B(Sal)(OH)2], and Mg[B(Sal)(OH)2]·2H 2O complexes
(2013)The interaction of some previously reported complexes Na[B(Glu)(OH) 2]·2H2O, Na[B(Cit)(OH)2]·2H 2O, Li[B(Sal)(OH)2], and Mg[B(Sal)(OH)2] ·2H2O with cattle genomic DNA (CG-DNA) was investigated using UV absorption, viscosity ... -
Manganese/yttrium codoped strontium nanohexaferrites: Evaluation of magnetic susceptibility and mossbauer spectra
(MDPI AG, 2019)Abstract: Manganese (Mn)- and yttrium (Y)-substituted Sr-nanohexaferrites (MYSNHFs) of composition Sr1_xMnxFe12_xYxO19 (with 0.0 ≤ x ≤ 0.5) were prepared by citrate sol-gel autocombustion method. As-prepared MYSNHFs were ... -
Elastic, mechanical and phonon behavior of wurtzite cadmium sulfide under pressure
(MDPI AG, 2017)Cadmium sulfide is one of the cutting-edge materials of current optoelectronic technology. Although many theoretical works are presented the for pressure-dependent elastic and related properties of the zinc blende crystal ... -
Theoretical analysis of elastic, mechanical and phonon properties of wurtzite zinc sulfide under pressure
(MDPI AG, 2017)We report for the first time the application of a mixed-type interatomic potential to determine the high-pressure elastic, mechanical, and phonon properties of wurtzite zinc sulfide (WZ-ZnS) with geometry optimization ... -
A European Multi Lake Survey dataset of environmental variables, phytoplankton pigments and cyanotoxins
(Nature Publishing Groups, 2018)Under ongoing climate change and increasing anthropogenic activity, which continuously challenge ecosystem resilience, an in-depth understanding of ecological processes is urgently needed. Lakes, as providers of numerous ... -
Evaluation of caries risk in a young adult population using a computer-based risk assessment model (Cariogram)
(2012)Background/purpose: Cariogram is a software program which was recently developed for the practical application of caries-risk assessment. The purpose of this study was to evaluate the relationships between caries risk and ... -
Oleylamine surface functionalized FeCoyFe2- yO4 (0.0≤y≤1.0) nanoparticles
(Elsevier B.V., 2016)In this study, oleylamine (OAm) capped FeCo y Fe2- y O4 (0.0≤y≤1.0) nanocomposites (NCs) were prepared via a polyol route. Effect of Co3+ ion substitution on structure, morphology and magnetic properties of Fe3O4 nanoparticles ... -
Nucleophilic and electrophilic cyclization of N-alkyne-substituted pyrrole derivatives: Synthesis of pyrrolopyrazinone, pyrrolotriazinone, and pyrrolooxazinone moieties
(Beilstein-Institut Zur Forderung der Chemischen Wissenschaften, 2017)Intramolecular nucleophilic and electrophilic cyclization of N-alkyne-substituted pyrrole esters is described. Efficient routes towards the synthesis of pyrrolopyrazinone, pyrrolotriazinone and pyrrolooxazinone have been ...
