Güncel Gönderiler: Kimya Bölümü
Toplam kayıt 724, listelenen: 121-140
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Exploring prospective chemistry teachers' perceptions of precipitation, conception of precipitation reactions and visualization of the sub-microscopic level of precipitation reactions
(Royal Soc Chemistry, 2019)In this study, how prospective chemistry teachers (PCTs) perceive precipitation and conceptualize precipitation reactions at the symbolic level was explored. Further, it was of interest to identify PCTs' visualization of ... -
Association of human serum paraoxonase-1 with some respiratory drugs
(Wiley, 2019)In this study, we investigated the effects of certain respiratory drugs, which are mainly used on human serum paraoxonase-1 (hPON1; EC 3.1.8.1). hPON1 was purified from human serum, with 354.91 fold and 45% yield by using ... -
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 ... -
Structure and magnetic properties of manganese (iii)-schiff-base-hexacyanoferrate-polymeric compound
(Int Union Crystallography, 2010)yok -
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 ...
