Yayıncı "Pergamon-Elsevier Science Ltd" Fen Edebiyat Fakültesi için listeleme
Toplam kayıt 27, listelenen: 1-20
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Acetate bridged dinuclear Cu(II) complexes with ferrocene based benzimidazol ligands: Synthesis, spectroscopy, electrochemistry, DFT calculations and catecholase activity
(Pergamon-Elsevier Science Ltd, 2016)Two new benzimidazole ligands, 1-[(E)-ferrocenylmethylidenehydrazino]-2-{5,6-dichloro-2-[(o-chloro-phenyl)methyl]-1,3-diaza-1H-inden-1-yl}-1-ethanone (1) and 1-[(E)-ferrocenylmethylidenehydrazino]-2-{2-[p-(trifluoromethy ... -
Activated carbon derived from tea waste: A promising supporting material for metal nanoparticles used as catalysts in hydrolysis of ammonia borane
(Pergamon-Elsevier Science Ltd, 2020)Activated carbons with high porosity and high surface area are promising materials to be used in wide-range applications. They can easily be prepared from various biomass source following by simple and reproducible activation ... -
Assessment of metal concentrations (Cu, Zn, and Pb) in seawater, sediment and biota samples in the coastal area of Eastern Black Sea, Turkey
(Pergamon-Elsevier Science Ltd, 2017)This study investigated the contents of Cu, Zn and Pb in seawater, sediment, different shell sizes of mussel (Mytilus galloprovinciaIis) and sea snail (Rapana venosa) samples collected from four different provinces of the ... -
A case study on pollution and a human health risk assessment of heavy metals in agricultural soils around Sinop province, Turkey
(Pergamon-Elsevier Science Ltd, 2020)In the present study, the concentration levels of heavy metals such as Cr, Fe, Ni, Cu, Zn, As and Pb in soil samples collected from 88 sampling locations around Sinop Province, Turkey were measured using energy dispersive ... -
Characterization of microplastic pollution in tadpoles living in small water-bodies from Rize, the northeast of Turkey
(Pergamon-Elsevier Science Ltd, 2020)Microplastic pollution is a growing problem for Turkey and other countries, but most studies focus on the pollution in oceans and seas. To understand the relationship between microplastics, fresh water, and terrestrial ... -
Computational studies on the anastrozole and letrozole, effective chemotherapy drugs against breast cancer
(Pergamon-Elsevier Science Ltd, 2014)In this paper, computational studies were carried out on anastrozole and letrozole, chemotherapy drugs used against breast cancer. Optimization and frequency calculations were performed at B3LYP/6-31G (d) basis set and ... -
Determination of radioactivity levels and heavy metal concentrations in seawater, sediment and anchovy (Engraulis encrasicolus) from the Black Sea in Rize, Turkey
(Pergamon-Elsevier Science Ltd, 2017)Seawater, sediment and fish (anchovy) samples consumed in the Rize province of the Eastern Black Sea region of Turkey were collected from five different stations. the radioactivity levels (Ra-226, Th-232. K-40 and Cs-137) ... -
Determination of radiological hazard parameters in sea snails (Rapana venosa) in the East Black Sea Coast of Turkey
(Pergamon-Elsevier Science Ltd, 2018)The aim of this study was to determine the activity concentrations and radiological hazard parameters of Cs-137 and K-40 in soft tissue samples of sea snails (Rapana venosa) collected from 12 different stations in the East ... -
Distribution of Cs-137 in the mediterranean mussel (Mytilus galloprovincialis) in Eastern Black Sea Coast of Turkey
(Pergamon-Elsevier Science Ltd, 2016)This study presents the results of Cs-137 and K-40 radionuclide concentrations in mussel (Mytilus galloprovincialis) samples collected during the period of February-November 2014 from twelve different stations within the ... -
The effect of carbohydrates on nutritional preference and development of Mediterranean flour mouth, Ephestia kuehniella Zeller (Lepidoptera: Pyralidae)
(Pergamon-Elsevier Science Ltd, 2020)In this study, the effect of different carbohydrates on food consumption, growth and development duration of Ephestia kuehniella Zeller (Lepidoptera:Pyralidae) larvae was investigated. 13 diets containing different ... -
The electrochemical and spectroelectrochemical properties of metal free and metallophthalocyanines containing triazole/piperazine units
(Pergamon-Elsevier Science Ltd, 2016)The synthesis and characterization of novel peripherally tetra [1,2,4]-triazole substituted metal-free phthalocyanine and its metal complexes (Zn(II), Ni(II), Pb(II), Cu(II) and Fe(II)) and the investigation of electrochemical ... -
Evaluation of gamma attenuation parameters and kerma coefficients of YBaCuO and BiPbSrCaCuO superconductors using EGS4 code
(Pergamon-Elsevier Science Ltd, 2020)The levels of the coefficients of the mass attenuation (mu/rho) for YBaCuO and BiPbSrCaCuO superconductors and their contents were determined theoretically, using EGS4 simulation code and the XCOM database, and experimentally ... -
Experimental and theoretical studies on Cu(II) complex of N,N '-disalicylidene-2,3-diaminopyridine ligand reveal indirect evidence for DNA intercalation
(Pergamon-Elsevier Science Ltd, 2016)A potential DNA intercalating Cu(II) complex ([CuL]) of the N,N'-disalicylidene-2,3-diaminopyridine ligand (H2L; dianion =L2- has been synthesized and characterized. the photophysical and the DNA binding behaviors of the ... -
The local structure and magnetic correlations in La(Fei(1-x)Mn(x))AsO system
(Pergamon-Elsevier Science Ltd, 2019)The local structure of La(Fei(1-x)Mn(x))AsO, showing suppression of long-range magnetic order by Mn-substitution, has been studied. Extended X-ray absorption fine structure (EXAFS) measurements at As K-edge and Fe K-edge ... -
Local structure displacements in La1-xCex OBiSSe as a function of Ce substitution
(Pergamon-Elsevier Science Ltd, 2020)We have investigated the local structure of layered La1-xCexOBiSSe system by Bi L-3 -edge extended X-ray absorption fine structure (EXAFS) measurements for different Ce substitutions. Ce L-3-edge X-ray absorption spectroscopy ... -
Metal-organic frameworks based on copper(I) iodide and pyridine-3,5-dicarboxylic acid: Synthesis, crystal structures and luminescent properties
(Pergamon-Elsevier Science Ltd, 2016)Two metal -organic frameworks (MOFs) with pyridine-3,5-dicarboxylic acid (H(2)pdc), {[(CuI)-I-I][Cu-II(pdc) (H2O)]center dot 1.5MeCN center dot H2O} (1) and {[Cu(MeCN)(4)]center dot 2[(CuI)-I-I]center dot 2[Cu(2)(II)pdc) ... -
Molecular docking studies and synthesis of novel bisbenzimidazole derivatives as inhibitors of alpha-glucosidase
(Pergamon-Elsevier Science Ltd, 2016)A series of bisbenzimidazole derivatives starting from o-phenylenediamine and 4-nitro-o-phenylenediamine were prepared with oxalic acid. Most of the reactions were conducted using both the microwave and conventional methods ... -
Novel phthalocyanines bearing 1,2,4 triazole substituents: Synthesis, characterization, photophysical and photochemical properties
(Pergamon-Elsevier Science Ltd, 2020)4-(4,5-Diphenyl-4H-1,2,4-triazol-3-ylthio)phthalonitrile ( 3) and its non-peripherally tetra substituted zinc(II) phthalocyanine (4) and magnesium(II) phthalocyanine (5) derivatives were prepared. the novel compounds 3-5 ... -
Phylogeny and systematics of Anatolian mountain frogs
(Pergamon-Elsevier Science Ltd, 2017)Anatolian mountain frogs (Rana macrocnemis, Rana camerani, Rana holtzi, and Rana tavasensis) are one of the most specious amphibian groups in Turkey containing two endemic taxa (R. holtzi and R. tavasensis). the taxonomy ... -
Precision and accuracy of ST-EDXRF performance for As determination comparing with ICP-MS and evaluation of As deviation in the soil media
(Pergamon-Elsevier Science Ltd, 2014)The present study was conducted to (i) determine the precision and accuracy of arsenic measurement in soil samples using ST-EDXRF by comparison with the results of ICP-MS analyses and (ii) identify the relationship of As ...