Güncel Gönderiler: Kimya Bölümü
Toplam kayıt 724, listelenen: 141-160
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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 ... -
Synthesis, characterization, crystal structure, thermal behavior, and biological activity of a new heterotrinuclear complex: [(nil(ncs)(h2o))(2)cd(dmf)(2)]
(Taylor & Francis Inc, 2015)A new trinuclear heterometallic nickel(II)-cadmium(II)-nickel(II) complex, [(NiL(NCS)(H2O))(2)Cd(DMF)(2)] (DMF: dimethylformamide) (1), has been synthesized by using NiL as the so-called metallo ligand where H2L = ... -
The effects of cold storage on the adult longevity, fecundity and sex ratio of apanteles galleriae wilkinson (Hym.: Braconidae)
(2001)The effect of cold storage on the adult longevity, fecundity and sex ratio of Apanteles galleriae Wilkinson, a koinobiont, solitary and early instar larval endoparasitoid of the Small Wax Moth Achoria grisella Fabr. was ... -
Spectroscopic and conductance studies of new transition metal complexes with a schiff base derived from 4-methoxybenzaldehyde and 1,2-bis(p-aminophenoxy)ethane
(2003)Four new metal complexes of Cu(II), Ni(II), Zn(II) and Co(III) with Schiff base derived from 4-methoxybenzaldehyde and 1,2-bis(p-aminophenoxy)ethane have been prepared and characterized by magnetic susceptibility, conductance ... -
Removal of methyl violet from aqueous solution by perlite
(Academic Press Inc., 2003)The use of perlite for the removal of methyl violet from aqueous solutions at different concentration, pH, and temperature has been investigated. Adsorption equilibrium is reached within 1 h. The capacity of perlite samples ... -
Synthesis and characterizations of LaM2Ḿ3S6-y(M: Mg, Ca, Sr, Ba; Ḿ:Cu, Fe), La2SrS4 and La2CaS 4
(2004)YN2M^3S6-y, (M= Ca, Sr, Ba, Mg and M= Cu, Fe) type of compounds were synthesized and the effect of rare earth elements on these type of compounds was investigated. By replacing Y with La, LaBa 2Cu3S6-y compound was synthesized ... -
Extraction-ability and -selectivity of tetra-aza-crown ethers for transition metal cations
(Springer Netherlands, 2004)In order to investigate the relative effects of the differences between the structures and lipophilicities of 1 10-dioxa-4, 7, 13, 16-tetra-azacyclo- octadecane (TA-18-crown-6) and the tetrabenzyl derivative of 1,10-dioxa-4, ... -
Poly(methyl methacrylate) monolayers at the air-water interface
(2005)Several poly(methyl methacrylate) (PMMA) molecules with various chain numbers has been synthesised using Emulsifier-free emulsion polymerisation method. Langmuir-Blodgett thin film technique is an excellent method to ... -
Investigation of separation and identification possibilities of some metal-DEDTC complexes by sequential TLC-IR system
(Preston Publications, 2005)The separation and identification possibilities of some metal-diethyldithiocarbamate (DEDTC) complexes are investigated by thin-layer chromatography-IR sequential system. DEDTC complexes of metal cations are prepared in a ... -
A new route for the synthesis of cadmium sulfide by reacting of cadmium oxide with sulfidizing gas mixture
(2005)In this study, the sulfidization of CdO was investigated by using solid-gas reactionsunder sulfidizing gas mixture which contains the gas mixture of carbonyl sulfide, COS, carbondisulfide, CS2 and sulfur, S 2. The greenockite ... -
The synthesis of NiS, ZnS and SrS through solid-gas reaction of sulfidizing gas mixture
(2006)In this study, the sulfidizations of NiO, ZnO, SrNO 3 and SrCO 3 were investigated by using solid-gas reactions under sulfidizing gas mixture, which contains the gas mixture of carbonyl sulfide (COS), carbon disulfide (CS ... -
Three new dinuclear silver(I) complexes derived from pyrazolyl type ligands: Crystal structure and thermal decomposition
(Springer, 2007)Three NNN type ligands derived from 2,6-dichlorpyroidine, pyrazol and 3,5-dimethylpyrazole and their silver complexes were prepared in methanol media. The complex structures were characterized using IR spectroscopy, X-ray ... -
The sensitive and selective determination of aluminium by spectrofluorimetric detection after complexation with N-o-vanillidine-2-amino-p- cresol
(Royal Society of Chemistry, 2007)A simple, easy to use and selective spectrofluorimetric method for the determination of trace levels of aluminium has been developed. A new Schiff base, N-o-vanillidine-2-amino-p-cresol (OVAC), has been synthesized and its ... -
Dye sensitized CO2 reduction over pure and platinized TiO2
(Springer, 2007)TiO2 thin and thick films promoted with platinum and organic sensitizers including novel perylene diimide dyes (PDI) were prepared and tested for carbon dioxide reduction with water under visible light. TiO2 films were ... -
Substituent and solvent effects on the electronic and structural properties of silacyclopropylidenoids
(Soc Quimica Mexico, 2015)The isomeric structures, energies, and properties of the substituted silacyclopropylidenoids, SiC2H3RLiBr (R = -H, -CH3, -SiH3, -CN, -OH, -NH2), were studied by ab initio calculations at the MP2/6-311+G(d, p) level of ... -
7-amino-3,4-dihydro-1h-quinolin-2-one, a compound similar to the substituted coumarins, inhibits alpha-carbonic anhydrases without hydrolysis of the lactam ring
(Taylor & Francis Ltd, 2015)7-Amino-3,4-dihydro-1H-quinolin-2-one, a compound structurally similar to coumarins, recently discovered class of inhibitors of the alpha-carbonic anhydrases (CAs, EC 4.2.1.1) was investigated for its interaction with all ...
