Yayın tarihi için Kimya Bölümü listeleme
Toplam kayıt 209, listelenen: 81-100
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Synthesis, spectral, thermal studies of Co(II), Ni(II), Cu(II) and Zn(II)-arginato Complexes. crystal structure of monoaquabis(arginato‐κO,κN)copper(II). [Cu(arg)2(H2O)].NaNO3
(Chinese Chemical Society Taiwan, 2014)Transition metal complexes of arginine (using Co(II), Ni(II), Cu(II) and Zn(II) cations separately) were synthesized and characterized by FTIR, TG/DTA-DrTG, UV-Vis spectroscopy and elemental analysis methods. Cu(II)-Arg ... -
Spectroscopic and thermal properties of newly mixed azocalix[4]arene ester derivatives
(Elsevier B.V., 2014)The mono-, di-, tri-, and tetra-acryloyl esters of p-chloroazocalix[4]arene which include the first examples of mixed azo ester dyes were synthesized by reacting acryloyl chloride with sodium salts of p-chloroazocalix[4]arene ... -
Spectroscopic, antiproliferative and antiradical properties of Cu(II), Ni(II), and Zn(II) complexes with amino acid based Schiff bases
(Birkhauser Boston, 2014)Novel six Cu(II), Ni(II), and Zn(II) complexes with Schiff bases derived from 4-aminobenzoic acid with terephtaldehyde and amino acids (glycine, ?-alanine). Structures have been proposed from elemental analysis, UV-Vis, ... -
Simultaneous determination and validation of some binary mixtures of antihypertensive drugs using ratio derivative spectrophotometric method
(Maik Nauka Publishing / Springer SBM, 2014)Ratio derivative spectrophotometric technique is presented for the rapid, accurate and precise simultaneous determination of olmesartan medoxomil (OLM), hydrochlorothiazide (HCT), and zofenopril (ZOF) as well as HCT binary ... -
A validated RP-LC method for salmeterol and fluticasone in their binary mixtures and their stress degradation behavior under ICH-recommended stress conditions
(Maik Nauka Publishing / Springer SBM, 2014)Simple, accurate, precise and fully validated analytical methods for the simultaneous determination of salmeterol xinafoate and fluticasone propionate in combined dosage forms have been developed. These drugs were exposed ... -
Organic biomolecules bind to phosphate through borate linkages in aqueous solutions
(TÜBİTAK, 2014)Solutions of salicyclic, ascorbic, and citric acids were reacted with boric acid, followed by NaH2PO4. The products, triphosphateborate ester of salicylic acid (1), orthosphateborate ester of ascorbic acid (2), triphosphateborate ... -
Synthesis and structural characterization of a binuclear mixed-ligand (Salicylate and N,N-diethylnicotinamide) nickel(II) complex, its magnetic properties. [Ni2(µ‐Sal)4(Dena)2]H2O
(Chinese Chemical Society Taiwan, 2014)The title complex of [Ni2(?-Sal)4(Dena)2]H2O, [(?-tetrakissalicylato-?-O,O)(bis-N,N-diethylnicotinamide-?-N)(binickel(II))]hydrate, C48H52Ni2N4O16, has been synthesized and explained as structure using some elemental ... -
Development and validation of a stability-indicating RP-LC method for the determination of anticancer drug epirubicin in pharmaceuticals
(Taylor and Francis Inc., 2014)In the present paper, sensitive, rapid, and different analytical methodology was developed for the determination of anticancer drug epirubicin (EPR). The mixture of epirubicin and moxifloxacin as internal standard was ... -
Investigation of dna binding and cleavage activities of boron complexes in the presence of hydrogen peroxide
(Universitatea Babes-Bolyai, Catedra de Filosofie Sistematica, 2014)Magnesium [di(hydroxy)mono(citratoborate)]dihydrate (Mg[B(Cit)(OH)2]2.2H2O), Lithium [di(hydroxy)mono(citratoborate)]hydrate Li[B(Cit)(OH)2].H2O, Sodium [di(hydroxy)mono(salicylato) borate)hydrate Na[B(Sal)(OH)2].H2O and ... -
Mixed ligand complexes of coumarilic acid/nicotinamide with transition metal complexes: Synthesis and structural investigation
(2014)Coumarilate-nicotinamide complexes of CoII and ZnII were synthesized and investigated by elemental analysis, magnetic susceptibility, solid state UV-Vis, direct injection probe mass spectra, FTIR spectra, thermoanalytic ... -
Boric acid complexes with thiamine (vitamin B1) and pyridoxine (vitamin B6)
(2014)Complexation of boric acid with vitamins B1 (thiamine) and B6 (pyridoxine) was investigated. The products were isolated from aqueous solutions and characterized by elemental analysis, FT-IR, 13C MAS NMR and thermal methods. ... -
A simple flow injection spectrophotometric procedure for direct determination of copper(II) in environmental samples
(Chemical Publishing Co., 2014)A new simple, rapid and sensitive flow-injection spectrophotometric detection method has been developed for the on-line determination of copper(II) in environmental water samples. The method is based on the measurement of ... -
Electrochemical preparation of sodium dodecylsulfate doped over-oxidized polypyrrole/multi-walled carbon nanotube composite on glassy carbon electrode and its application on sensitive and selective determination of anticancer drug: Pemetrexed
(Elsevier B.V., 2014)Electrochemical oxidation of pemetrexed (PMX) was studied on bare, carboxylic acid functionalized multi-walled carbon nanotubes and over-oxidized polypyrrole modified (oo-PPy/MWCNTs-COOH/GCE) glassy carbon electrodes by ... -
Bioactive glasses prepared from organic-mediated B-O-P bonded materials
(Elsevier, 2014)In this study, we introduce an alternative route for the synthesis of bioactive borate-phosphate glasses. Glasses with nominal compositions of xNa2O·yB2O3·zP2O 5 (x = 1, 2; y = 1/2; z = 1/2, 3/2) were obtained via melt-quench ... -
Hydrogen storage properties of mono-and bidentate MOF structured orotate complexes
(Materials Research Society, 2014)One of the barriers for wide usage of hydrogen energy system is efficient storage. To store more hydrogen efficiently, physisorption is a choice among the others with high storage performance, reversibility, and lifecycles. ... -
Mixed ligand complexes of acesulfame/nicotinamide with earth alkaline metal cations MgII, CaII, BaII and SrII : synthesis and characterization
(Hittite Journal of Science and Engineering, 2014-12-31)I n the scope of this study, acesulfame (ace, acs)-nicotinamide (na) mixed ligand complexes of Mg(II), Ca(II), Sr(II) and Ba(II) were synthesized for the first time. Possible formulas for complexes were determined as [Mg(H2 ... -
Combined experimental and theoretical investigation of characterization and hydrogen storage properties of Zn(II) based complex and composites
(Elsevier Ltd, 2015)Metal organic structured coordination complex was synthesized by using Zn(II), 1,10 Phenantroline and teraphtalic acid building blocks. Then the synthesized compound have been characterized with Ft-IR, TGA/DTA/DrTGA, EA, ... -
Voltammetric behavior and determination of antidepressant drug paroxetine at carbon-based electrodes
(Institute for Ionics, 2015)Simple, rapid, sensitive, and reproducible methods were developed for the assay of paroxetine in tablets. The electrooxidative behavior and determination of paroxetine on boron-doped diamond and edge plane graphite electrodes ... -
Synthesis, structural characterization and biological activity of novel cyclohexane-1,3-dione ligands and their metal complexes
(MDPI AG, 2015)Some new Zn(II) and Cu(II) complexes [Cu(L1)(OAc)2]·H2O, [Cu(L1)(NO3)H2O]·NO3·3.5H2O, [Zn(L1)(NO3)2]·4.5H2O, [Zn(L1)(OAc)2(H2O)2]·3H2O, [Cu2(L2)(OAc)4]·2H2O·2DMF, [Cu(L2)2]·2NO3·1.5DMF·H2O, [Zn(L2)2(NO3)2]·DMF and ... -
Investigation of voltammetric behavior and electroanalytical determination of anticancer epirubicin via glassy carbon electrode using differential pulse and square wave voltammetry techniques
(Editions de l'Academie Republique Populaire, 2015)The electrochemical oxidation of epirubicin was investigated using cyclic, differential pulse and square wave voltammetry at glassy carbon electrode. The aim of the study was to determine epirubicin levels in pharmaceuticals ...