Güncel Gönderiler: Kimya-Makale Koleksiyonu
Toplam kayıt 676, listelenen: 121-140
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A theoretical investigation on the activation of small molecules by a disilenide: A DFT prediction
(Scientific Technical Research Council Turkey-Tubitak, 2019)Herein, we proposed several mechanistic scenarios for activation of small molecules (NH3, CO2, CS2, H-2, CH4, N-2, and N2O) by a disilicon analogue of a vinyl anion (1H) using density functional theory (DFT) calculations. ... -
In vitro cytotoxic and genotoxic effects of newly synthesised boron ionic liquids
(Taylor & Francis LTD, 2019)In this study, new molecules containing boron were added to the family of ionic organic compounds, in particular, ionic liquids with a cationic center. This study aimed to determine the cytotoxic and genetic effects of a ... -
Synthesis, characterization and environmental application of activated carbon from black seed meal biomass
(Parlar Scientific Publications (P S P), 2019)This study dealts with preparation of the activated carbon from black seed meal biomass as an adsorbent for the adsorption of methylene blue (MB) from aqueous solution. The produced activated carbon was characterized by ... -
A novel and validated chemical-enzymatic strontium fractionation method for wheat flour from celestite mining area: the first approach for sequential fractionation
(Springer, 2019)In this study, a sequential Sr fractionation scheme was developed for wheat flour matrix. The lipid, water-soluble, and starch fractions were separated successfully. Total and fractionated Sr was determined by ICP-MS. The ... -
Comparison of a new sequential extraction method and the BCR sequential extraction method for mobility assessment of elements around boron mines in Turkey
(Elsevier Science BV, 2019)The mobility of As, B, Ba, Cd, Co, Cr, Cu, Ni, Pb and Zn in the soils collected from fields near boron mines was investigated using a new sequential extraction method and the BCR sequential extraction methods. The new ... -
Synthesis, characterization and biological properties of intercalated kaolinite nanoclays: intercalation and biocompatibility
(De Gruyter Poland Sp Zoo, 2019)The aims of the present study were to synthesize the intercalated kaolinite samples with dimethylsulfoxide (DMSO), glutamic acid (GA), succinimide (SIM), cetylpyridiniumchloride (CPC), and hexadecyltrimethylammoniumchloride ... -
Microwave-assisted synthesis of 1-substituted-1H-benzimidazolium salts: Non-competitive inhibition of human carbonic anhydrase I and II
(Wiley-V C H Verlag GMBH, 2019)A series of 1-substituted-1H-benzimidazolium p-toluenesulfonate salts were synthesized in good yields by the reaction of 1-substituted benzimidazole derivatives and p-toluenesulfonic acid under microwave irradiation. Two ... -
Syntheses, characterization, and magneto-structural analyses in 1,3-acetato-bridged tetracopper(ii) and mu(1,3)- and mu(1,1,3)-acetato-bridged pentanickel(ii) clusters
(Wiley-V C H Verlag Gmbh, 2014)Two pentanuclear NiII complexes, [Ni-5(L-1)(2)(CH3COO)(6)(OH)(2)(MeOH)(2)]- (1) and [Ni-5(L-2)(2)(CH3COO)(6)(OH)(2)(H2O)(2)] (2), and one tetranuclear CuII complex, [Cu-4(L-3)(2)(CH3COO)(4)(O)] (3), have been synthesized ... -
Experimental and computational studies on the 1:1 complex of anthranilic acid with p-toluenesulfonic acid
(Taylor & Francis Ltd, 2013)The proton-transfer compound (3) was synthesized in good yields by the reaction of anthranilic acid with p-toluenesulfonic acid. It was characterized by elemental analysis, infrared spectroscopy, and X-ray single-crystal ... -
Surface and adsorptive properties of activated carbon prepared from pomegranate shell
(Parlar Scientific Publications (P S P), 2013)Preparation of the activated carbon from pomegranate shell by H3PO4 chemical activation at different concentrations and calcination temperatures was carried out. The surface area of chemically modified activated carbon was ... -
Characterisation of polyphenol oxidase from Melissa officinalis L. subsp. officinalis (lemon balm)
(Czech Academy Agricultural Sciences, 2013)Characterisation of polyphenol oxidase from Melissa officinalis L. subsp. officinalis (lemon balm). Czech J. Food Sci., 31: 156-165. Polyphenol oxidase (PPO) from Melissa officinalis L. subsp. officinalis (lemon balm) was ... -
Synthesis of new lariat cyclicdiamides and their metal complexes
(Editura Stiintifica F. M. R., 1996)Three new lariat dilactam host molecules were prepared by the reaction of triethyleneglycol dicarboxylic acid dichloride with N,N′-disubstituted-4,7-dioxa-1,10-diazadecane precursors. The amide nitrogen pivot of such ... -
The synthesis of novel crown ethers. Part IV. Coumarin derivatives of [18]crown-6 and cation binding from fluorescence spectra
(Editura Stiintifica F. M. R., 1998)4-H, 4-methyl and 4-phenyl-1-benzopyran-2-one derivatives of [18]crown-6 derivatives were synthesised from 6,7- and 7,8-dihydroxy-1-benzopyran-2-one reacting with pentaethylene glycol ditosylate in K2CO3/DMF/water. The ... -
Determination of zineb in tap water and tomato samples by adsorptive catalytic stripping voltammetry
(Scientific Technical Research Council Turkey-Tubitak, 2013)This paper describes a sensitive and accurate adsorptive catalytic stripping voltammetric method for the determination of zineb (zinc ethylene-bis-dithiocarbamate) in tap water and tomato samples. The method is based on ... -
Synthesis and evaluation of new phthalazine urea and thiourea derivatives as carbonic anhydrase inhibitors
(Hindawi Publishing Corp, 2013)A new series of phthalazine substituted urea and thiourea derivatives were synthesized, and their inhibitory effects on the activity of purified human carbonic anhydrases (hCAs I and II) were evaluated. 2H-Indazolo[2,1-b ... -
Removal of an anionic dye from aqueous solution by sepiolite using a full factorial experimental design
(Parlar Scientific Publications (P S P), 2013)Optimization of parameters by the classical batch adsorption method involves changing one independent variable and keeping the other factors constant in the same time. Classical method investigating effect of one variable ... -
Element fractionation analysis for milk in its real matrix by inductively coupled plasma optical emission spectrometry
(Taylor & Francis Ltd, 2013)Fractionation of elements in food is essential for understanding and prediction of its bioavailability, effects, and toxicity. In the present study, an analytical fractionation scheme for milk samples was developed for the ... -
Characterization and some properties of poly(vinyl chloride)/sepiolite nanocomposites
(Wiley-Blackwell, 2013)Poly(vinyl chloride) (PVC)/sepiolite nanocomposites were prepared using PVC and natural, organo-modified, acidactivated, and calcined sepiolite samples through the solution intercalation method. Thermogravimetric (TG) ... -
Binding and selectivity of dihydrogen phosphate by h-bond donors and acceptors in a tripodal-based thiourea receptor
(Pergamon-Elsevier Science Ltd, 2015)Anion binding properties of a quinoline-based tripodal tris-thiourea receptor have been studied for several oxoanions including perchlorate, nitrate, hydrogen sulfate, and dihydrogen phosphate by H-1 NMR and UV-vis titrations ... -
Synthesis and anion binding studies of tris(3-aminopropyl)amine-based tripodal urea and thiourea receptors: proton transfer-induced selectivity for hydrogen sulfate over sulfate
(Royal Soc Chemistry, 2015)Tris(3-aminopropyl)amine-based tripodal urea and thiourea receptors, tris([(4-cyanophenyl)amino]propyl)-urea (L1) and tris([(4-cyanophenyl)amino]propyl)thiourea (L2), have been synthesized and their anion binding properties ...
