Yayıncı "Taylor & Francis Ltd" Fen Edebiyat Fakültesi için listeleme
Toplam kayıt 28, listelenen: 1-20
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4-(2-Methoxy-4-(prop-1-enyl)phenoxy)phthalonitrile; synthesis, characterization, Hirshfeld surface analysis and chemical activity studies
(Taylor & Francis Ltd, 2018)This work deals with experimental and theoretical study of the 4-(2-methoxy-4-(prop-1-enyl)phenoxy)phthalonitrile (MPPP). the MPPP was synthesized and characterized by FT-IR and NMR, and X-ray single-crystal determination. ... -
Antimicrobial activity and analyses of six Geranium L. species with headspace SPME and hydrodistillation
(Taylor & Francis Ltd, 2016)A solid phase microextraction (SPME) method with gas chromatography-mass spectrometry (GC-MS) was used for analyses of the volatile compounds of six Geranium species; G. asphodeloides, G. psilostemon, G. purpureum, G. ... -
The assessment of radioactivity and radiological hazards in soils of Bolu province, Turkey
(Taylor & Francis Ltd, 2019)The radioactivity levels in soil samples of Bolu province of north-western Turkey have been determined. There has been no information about radioactivity measurement reported in soil samples in Bolu province so far. For ... -
Characterization and inhibition studies of carbonic anhydrase from gill of Russian Sturgeon Fish (Acipenser gueldenstaedtii)
(Taylor & Francis Ltd, 2016)An alpha-carbonic anhydrase (CA, EC 4.2.1.1) was purified and characterized kinetically from gill of Acipenser gueldenstaedtii as an endangered sturgeon species. the carbonic anhydrase was purified 66-folds with yield 20.7% ... -
Cloning, expression and biochemical characterization of a beta-carbonic anhydrase from the soil bacterium Enterobacter sp B13
(Taylor & Francis Ltd, 2016)A recombinant carbonic anhydrase (CA, EC 4.2.1.1) from the soil-dwelling bacterium Enterobacter sp. B13 was cloned and purified by Co2+ affinity chromatography. Bioinformatic analysis showed that the new enzyme (denominated ... -
Copper(II) complexes with pyridine-2,6-dicarboxylic acid from the oxidation of copper(I) iodide
(Taylor & Francis Ltd, 2017)Via an oxidation reaction of Cu(I) iodide with pyridine-2,6-dicarboxylic acid (H2L) in DMF three copper(II) complexes, [(CH3)(2)NH2](2)[CuL2] (1), K-2 [CuL2]center dot H2L center dot H2O(2) and [Cu(L)(H2O)](n) (3), were ... -
Determination of color additive tartrazine (E 102) in food samples after dispersive solid phase extraction with a zirconium-based metal-organic framework (UiO-66(Zr)-(COOH)(2))
(Taylor & Francis Ltd, 2020)A new and rapid dispersive solid phase extraction method by using a green-synthesised UiO-66(Zr)-(COOH)(2) (Zr-BTeC) adsorbent with body-centred cubic (bcu) topology was developed for determination of tartrazine in food ... -
Determination of natural radionuclides and some metal concentrations in human tooth samples in the Rize province, Turkey
(Taylor & Francis Ltd, 2019)The main purpose of this study was to identify the concentrations of naturally occurring radionuclides (Ra-226, Th-232 and K-40) and some metals (Fe, Ni, Cu, Zn, Pb and Cd) in tooth samples collected from humans living in ... -
Determination of tritium concentrations in humans before the development of a nuclear power plant in Turkey
(Taylor & Francis Ltd, 2015)The most widely used method to determine the level of tritium in humans is testing urine. Tritium concentrations in urine samples of 100 persons aged 18-66 years selected randomly from a pilot region in Turkey were analysed. ... -
Dynamic magnetic hysteresis properties of two-dimensional ferrimagnetic structures containing high-spin (S=5/2) and low-spin (S=1/2)
(Taylor & Francis Ltd, 2017)The dynamic hysteresis behaviors of a containing high spin-5/2 and low spin-1/2 Ising ferrimagnetic system on a square lattice are studied by using the dynamic mean-field approximation. the influences of the temperature, ... -
Effect of propolis in gastric disorders: inhibition studies on the growth of Helicobacter pylori and production of its urease
(Taylor & Francis Ltd, 2016)There is considerable interest in alternative approaches to inhibit Helicobacter pylori (H. pylori) and thus treat many stomach diseases. Propolis is a pharmaceutical mixture containing many natural bioactive substances. ... -
Generalized convex combination of triangular norms on bounded lattices
(Taylor & Francis Ltd, 2020)In this paper, we introduce the notions of the linear and generalized convex combination (shortly, g-convex combination) for triangular norms on bounded lattices. We investigate the conditions for the g-convex combination ... -
Influence of different light-curing units on monomer elution from bulk fill composites
(Taylor & Francis Ltd, 2018)Objectives: This in vitro study assessed the effect of different light-curing units on the elution of monomers from bulk fill composites with different thicknesses. Methods: Five bulk fill composites (Filtek Bulk Fill ... -
Inhibition properties of propolis extracts to some clinically important enzymes
(Taylor & Francis Ltd, 2016)The present study was conducted to envisage inhibition effects of propolis on the crucial enzymes, urease, xanthine oxidase (XO) and acetylcholinesterase (AChE). Some of the antioxidant properties of the propolis samples ... -
Investigation of natural radioactivity and associated radiological hazards in ceramic sanitary ware products commercially sold in Turkey
(Taylor & Francis Ltd, 2019)All ceramic products used in the construction of buildings contain natural radioisotopes at various rates. These radioisotopes are the main source of outdoor radiation to which people living in houses or workplaces are ... -
Microwave-assisted preparation of azachalcones and their N-alkyl derivatives with antimicrobial activities
(Taylor & Francis Ltd, 2014)Two new azachalcones were prepared by both Claisen-Schmidt condensation and a simple environmentally trendy microwave-assisted method. Ten new N-alkyl (C-6,C-8,C-10,C-12,C-14)-substituted azachalconium bromides (3a-e, 4a-e) ... -
Microwave-assisted synthesis of new benzimidazole derivatives with lipase inhibition activity
(Taylor & Francis Ltd, 2014)A practical protocol has been used for the synthesis of benzimidazoles. the reaction of iminoester hydrochlorides of phenylacetic with 4,5-dichloro-1,2-phenylenediamine under microwave irradiation leads to the benzimidazole ... -
Molecular systematics and phylogeography of the genusAlburnusHeckel, 1843 (Teleostei, Leuciscidae) in Turkey
(Taylor & Francis Ltd, 2020)In this study, the phylogeny ofAlburnusgenus distributed in Turkish freshwaters was performed by analyzing mitochondrial cytbgene (1141 bp) and COI gene (1551 bp) sequences from 1172 samples representing 112 populations ... -
Partial purification and characterization of lipase from Geobacillus stearothermophilus AH22
(Taylor & Francis Ltd, 2016)The lipase was partially purified by ion exchange chromatography and gel filtration column chromatography, and was characterized from Geobacillus stearothermophilus AH22 strain. the lipase was purified 18.3-folds with 19.7% ... -
The phylogenetic position of Turkish populations within the European Bitterling, Rhodeus amarus (Osteichthyes: Cyprinidae)
(Taylor & Francis Ltd, 2013)The partial sequence of the mitochondrial cytochrome b gene (1047 bp) was analysed in order to clarify the phylogenetic position of Turkish populations within the European Bitterling, Rhodeus amarus. 17 haplotypes were ...