Güncel Gönderiler: FEF, Kimya Bölümü Koleksiyonu
Toplam kayıt 455, listelenen: 301-320
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Electrode prepared with combination of different conductive polymers for hydroquinone determination in river water
(Slovensko Kemijsko Drustvo, 2016)Modified electrode based on combination of different conductive polymers (polyaniline -poly(3-methylthiophene) poly( 3,3'-diaminobenzidine) (PANI - P3MT - PDAB)) was previously synthesized in dichloromethane containing ... -
Improving the stability of solar cells using metal-organic frameworks
(Royal Soc Chemistry, 2016)Although Cu2S-containing chalcogenide solar cells are appealing and cost-effective for photovoltaics (PVs), these materials suffer from rapid performance degradation as a result of the diffusion of copper ions into the CdS ... -
Spectroscopic, electrochemical, theoretical characterization and biological evaluation of a ferrocenyl-substituted unsymmetric azine ligand and its Cu(II) complex
(Taylor & Francis Ltd, 2016)Ferrocenyl-substituted unsymmetrical azine and its Cu(II) complex were prepared. the redox active ferrocene-based azine was obtained by condensation of 1-[(E)-hydrazono]-5-bromo-2-hydroxybenzene with ferrocene carboxaldehyde. ... -
Characterization and inhibition studies of carbonic anhydrase from gill of Russian Sturgeon Fish (Acipenser gueldenstaedtii)
(Taylor & Francis Ltd, 2016)An alpha-carbonic anhydrase (CA, EC 4.2.1.1) was purified and characterized kinetically from gill of Acipenser gueldenstaedtii as an endangered sturgeon species. the carbonic anhydrase was purified 66-folds with yield 20.7% ... -
4-(4-(( 5-Amino-1,3,4-thiadiazol-2-yl)methoxy) phenyl)-1-(( 5-amino-1,3,4-thiadiazol-2-yl)methyl)-3-benzyl-1H-1,2,4-triazol-5( H)-one: Synthesis, characterization and computational studies
(Bentham Science Publ Ltd, 2016)Background: 1,2,4-triazole and its derivatives are known to have various biological activities such as antifungal, antiviral, antidepressant, antitumor, anti-inflammatory, antitubercular, antimigrain and anti-cancer. ... -
Determination of biological activities and pka at drug active substance in some bisbenzimidazoles derivatives
(Raman Publ, 2016)Bisbenzimidazole derivatives have known different structures as drug active substance were evaluated for their biological activities such as antiviral and anti-tumor activities. in addition, acid dissociation constants ... -
Purification and characterization of extracellular a-amylase from a thermophilic Anoxybacillus thermarum A4 strain
(Inst Tecnologia Parana, 2016)alpha-Amylase from Anoxybacillus thermarum A4 was purified using ammonium sulphate precipitation and Sephadex G-100 gel filtration chromatography, with 29.8-fold purification and 74.6% yield. A4 amylase showed best performance ... -
Experimental and theoretical studies of 4-[(4-methyl-5-phenyl-4h1,2,4-tiıazol-3-yl)sulfanyl]benzene-1,2-dicarbonitrile
(Soc Chemists Technologists Madeconia, 2016)In this study, 4-[(4-methy1-5-pheny1-4H-1,2,4-triazol-3-yl)sulfanyl]benzene-1,2-dicarbonitrile was synthesized and its molecular structure was characterized by means of FT-IR. and X-ray diffraction methods. the crystal is ... -
The electrochemical and spectroelectrochemical properties of metal free and metallophthalocyanines containing triazole/piperazine units
(Pergamon-Elsevier Science Ltd, 2016)The synthesis and characterization of novel peripherally tetra [1,2,4]-triazole substituted metal-free phthalocyanine and its metal complexes (Zn(II), Ni(II), Pb(II), Cu(II) and Fe(II)) and the investigation of electrochemical ... -
Theoretical and experimental investigations on molecular structure of bis(2-methoxy-4-allylphenyl)oxalate
(Elsevier, 2016)The aim of this study is to find out the molecular characteristic and structural parameters that govern the chemical behavior of a new bis(2-methoxy-4-allylphenyl)oxalate compound and to compare predictions made from theory ... -
Experimental and theoretical studies on Cu(II) complex of N,N '-disalicylidene-2,3-diaminopyridine ligand reveal indirect evidence for DNA intercalation
(Pergamon-Elsevier Science Ltd, 2016)A potential DNA intercalating Cu(II) complex ([CuL]) of the N,N'-disalicylidene-2,3-diaminopyridine ligand (H2L; dianion =L2- has been synthesized and characterized. the photophysical and the DNA binding behaviors of the ... -
Structural, thermal, morphological and surface charge properties of dodecyltrimethylammonium-smectite composites
(Elsevier, 2016)The present investigation was undertaken to obtain information about the structural, thermal, morphological, surface charge and textural properties of the synthesized dodecyltrimethylammonium-smectite composites at various ... -
Ferrocenyl-substituted dinuclear Cu(II) complex: Synthesis, spectroscopy, electrochemistry, DFT calculations and catecholase activity
(Elsevier Science Bv, 2016)A new ferrocenyl-substituted heterocyclic hydrazide ligand and its Cu(II) complex were prepared. the DFT calculations were performed to determine the electronic and molecular structures of the title compounds. the electronic ... -
Partial purification and characterization of lipase from Geobacillus stearothermophilus AH22
(Taylor & Francis Ltd, 2016)The lipase was partially purified by ion exchange chromatography and gel filtration column chromatography, and was characterized from Geobacillus stearothermophilus AH22 strain. the lipase was purified 18.3-folds with 19.7% ... -
Synthesis and study of antitumor activity of some new 2-(4-methoxybenzyl)-1h-benzimidazole derivatives bearing triazole, oxadiazole and ethanol moiety
(Editura Acad Romane, 2016)A series of novel 1,2-disubstituted benzimidazole derivatives containing hydrazinecarbothioamide (7a-c), 1,2,4-triazole (8a-c) and 1,3,4-oxadiazole (5) moiety were synthesized starting from 2-(4-methoxybenzyl)-1H-benzimidazole. ... -
A tetranuclear copper (II) complex with pyrazole-3,5-dicarboxylate ligands: synthesis, characterization and electrochemical properties
(Walter de Gruyter Gmbh, 2016)A tetranuclear copper (II) complex with pyrazole3,5-dicarboxylate ligands (pdc(3-)), [Me2NH2](4) [Cu-4(pdc)(4)], was synthesized using solvothermal and metal oxidation routes and characterized by elemental analysis, infrared, ... -
Purification and characterization of a polyphenol oxidase from cimin grape (Vitis vinifera spp., Cimin)
(Research Journal Biotechnology, 2016)A polyphenol oxidase (PPO) from Cimin grape was purified 11.2-fold by using a Sepharose 4B-L-tyrosine-p-aminobenzoic acid affinity column. the optimum pH and temperature of PPO purified from Cimin grape were 7.5 and 30 ... -
A aonvenient synthesis of Bisbenzimidazoles from iminoester hydrochlorides Via Microwave Technique
(Wiley-Blackwell, 2016)A simple and practical method has been developed for the synthesis of bisbenzimidazoles. Iminoester hydrochlorides of phenylacetic acids were used as intermediates in this reaction with 3,3'-diaminobenzidine under microwave ... -
Synthesis, characterization, electrochemical and spectroelectrochemical properties of novel peripherally tetra-1,2,4-triazole substituted phthalocyanines
(Elsevier Science Sa, 2016)The synthesis and characterization of novel 1,2,4-triazole derivative (3), nitrile compound (5) and peripherally tetra 1,2,4-triazole substituted metal-free (6), zinc(II) (7), nickel(II) (8), cobalt(II) (7), lead(II) (9) ... -
Synthesis of novel symmetrical 1,4-disubstituted 1,2,3-bistriazole derivatives via 'click chemistry' and their biological evaluation
(Mdpi, 2016)A series of symmetric bis-1,2,3-triazole compounds 2-5(a-f) were synthesized as potential antioxidant agents via click chemistry. Their structures were confirmed by H-1-NMR and C-13-NMR. All of the synthesized compounds ...