Güncel Gönderiler: Kimya-Makale Koleksiyonu
Toplam kayıt 676, listelenen: 181-200
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In situ observation of ninhydrin and phenylhydrazine reaction in solution by FTIR
(Elsevier B.V., 2013)The current work was performed for hydrazone formation reaction of ninhydrin with phenylhydrazine in chloroform by using "background defining method" in FTIR liquid cell. The method allowed following the consumption and ... -
Electrical conductivity properties of boron containing Langmuir-Blodgett thin films
(Springer New York LLC, 2013)Electrical characterisations of Mesitylene-2-boronic acid (MBA), Phenylboronic acid (PBA) and 1-Naphthylboronic acid (NBA) are investigated using C-f and I-V measurements. All materials are used to fabricate Langmuir-Blodgett ... -
Anomeric and rotameric preferences of glucopyranose in vacuo, water and organic solvents
(Springer, 2013)Glucopyranose is the most stable form of glucose in solution. Identification of molecular structure of glucopyranose is very important because of its biological and synthetic significance; it is not an easy task because ... -
Who should study music education? A vocational personality approach
(Routledge Journals, 2013)The main purpose of the current study was to examine the utility and usefulness of Holland's Theory of Personalities in Work Environments to understand the match between personality and the desire for music education. The ... -
Novel functionalized silica gel for on-line preconcentration of cadmium(II), copper(II), and cobalt(II) with determination by flame atomic absorption spectrometry
(Taylor and Francis Inc., 2016)Silica gel functionalized with 2-[N,N'-bis(2,3-dihydroxybenzaldimin)] aminoethylamine was employed as a novel sorbent for preconcentration of copper(II), cobalt(II), and cadmium(II) by flow injection-solid phase extraction. ... -
Purification human PON1Q192 and PON1R192 isoenzymes by hydrophobic interaction chromatography and investigation of the inhibition by metals
(Elsevier Science Bv, 2009)In this study, a new purification strategy for human PON1 enzyme was developed using two-step procedures, namely ammonium sulfate precipitation and sepharose-4B-L-tyrosine-9-aminophenantrene hydrophobic interaction ... -
Synthesis and anion binding properties of a urea-based molecular cleft
(Pergamon-Elsevier Science Ltd, 2015)A new urea-based molecular cleft (L) derived from propylene-linked dipodal amine has been synthesized and its binding affinities for anions have been investigated by H-1 NMR and UV-vis spectroscopic titrations in DMSO. The ... -
Efficient removal of cd(II) from aqueous solution by dehydrated hazelnut husk carbon
(Taylor & Francis Inc, 2015)In this study, removal of Cd(II) ions from aqueous solutions by dehydrated hazelnut husk carbon (DHHC) was investigated. In batch adsorption process, effective parameters such as pH, contact time, amount of DHHC, and initial ... -
Paraoxonase 1 phenotype and paraoxonase activity in asthmatic patients
(Iranian Scientific Society Medical Entomology, 2015)Oxidative stress is involved in the pathogenesis of asthma. Paraoxonase 1 (PON1) and arylesterase are esterase enzymes displaying antioxidant characteristics. PON1 activity varies widely among individuals and ethnic groups, ... -
Carbonic anhydrase inhibitors: Inhibition of the β-class enzyme from the yeast Saccharomyces cerevisiae with sulfonamides and sulfamates
(Pergamon-Elsevier Science Ltd, 2009)The protein encoded by the Nce103 gene of Saccharomyces cerevisiae, a beta-carbonic anhydrase ( CA, EC 4.2.1.1) designated as scCA, has been cloned, purified, characterized kinetically and investigated for its inhibition ... -
Purification of bovine serum paraoxonase and its immobilization on eupergit C 250 L by covalent attachment
(Informa Healthcare, 2015)Serum paraoxonase (PON1) is a high-density lipoprotein (HDL)-associated enzyme that protects lipoproteins, both low-density lipoprotein (LDL) and HDL, against oxidation, and is considered as an antioxidative/anti-inflammatory ... -
Adsorption of copper (II) ions onto sepiolite and electrokinetic properties
(Elsevier Science Bv, 2009)We investigated the electrokinetic properties of sepiolite Suspensions using the microelectrophoresis technique as a function of pH in the presence of various electrolytes such as, LiCl, NaCl, KCl, Cu(NO(3))(2), CaCl(2), ... -
Carbonic anhydrase activators: Activation of the β-carbonic anhydrase Nce103 from the yeast Saccharomyces cerevisiae with amines and amino acids
(Pergamon-Elsevier Science Ltd, 2009)The protein encoded by the Nce103 gene of Saccharomyces cerevisiae, a beta-carbonic anhydrase (CA, EC 4.2.1.1) designated as scCA, was investigated for its activation with amines and amino acids. scCA was poorly activated ... -
Two new heterodinuclear schiff base complexes: synthesis, crystal structure and thermal studies
(Pergamon-Elsevier Science Ltd, 2015)Two new heterodinuclear Schiff base complexes, [Hg(L)NiCl2(DMF)(2)] 1, and [Zn(L)NiCl2(DMF)(2)] 2, where H2L = N,N'-bis(salicylidene)-1,3-diaminopropane and DMF = dimethylformamide have been synthesized and characterized ... -
Adsorption of casein onto some oxide minerals and electrokinetic properties of these particles
(Elsevier Science Bv, 2015)In this study, the adsorption properties of casein onto some oxide minerals such as sepiolite, kaolinite and expanded and unexpanded perlites samples were studied as a function of concentrations of casein, sodium phosphate ... -
Iron(III) complex of a tridentate NNN type ligand: synthesis, X-ray structure, thermal analysis and voltammetric studies
(Springer, 2009)A mononuclear iron(III) complex with 2,6-bis(3,4,5-trimethyl-N-pyrazolyl)pyridine (btmpp) has been synthesized, and characterized by X-ray crystallography, IR, UV-Vis and TGA-DTA methods. The Fe(III/II) couple was characterized ... -
A novel ligandless-dispersive liquid-liquid microextraction method for matrix elimination and the preconcentration of rare earth elements from natural waters
(Elsevier Science BV, 2015)A new, simple, efficient and rapid separation method based on ligandless-dispersive liquid-liquid microextraction (LL-DLLME) was developed for the preconcentration of rare earth elements (REEs) (La, Ce, Pr, Nd, Sm, Eu, Gd, ... -
Synthesis and Crystal Structure CoNi2(BO3)2
(Maik Nauka/Interperiodica/Springer, 2009)A new metal orthoborate compound, cobalt dinickel orthoborate, CoNi2(BO3)(2) has been successfully synthesized for the first time. The title compound was synthesized by thermally-induced solid-state chemical reaction at ... -
Adsorption of methylene blue onto hazelnut shell: Kinetics, mechanism and activation parameters
(Elsevier Science Bv, 2009)The adsorption kinetics of methylene blue (MB) on the hazelnut shell with respect to the initial dye concentration, pH, ionic strength, particle size and temperature were investigated. The rate and the transport/kinetic ... -
Determination of iron and copper in edible oils by flame atomic absorption spectrometry after liquid-liquid extraction
(Springer, 2015)In the present work, a novel and rapid extraction method for Fe(III) and Cu(II) from liquid edible oils is described. N,N'-Bis(4-methoxysalicylidene)-1,2-diamino ethane (MSE) was utilized for the extraction of metal ions ...
