Browsing Makale Koleksiyonu by Publisher "ELSEVIER SCIENCE SA"
Now showing items 41-56 of 56
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Novel Silver-NHC complexes: Synthesis and anticancer properties
(ELSEVIER SCIENCE SA, 2019)The aim of this study was to present the synthesis, characterization and anticancer activities of two novel benzimidazole-based NHC salts (1a-b) and their silver(I) complexes (2a-b) with methylbenzyl and isopropylbenzyl ... -
Optimization of some parameters of stirred mill for ultra-fine grinding of refractory Au/Ag ores
(ELSEVIER SCIENCE SA, 2011)In this study, optimization of some parameters of stirred mill on ultra-fine grinding of refractory Au/Ag ores was performed. A three-level Box-Behnken design combining a response surface methodology (RSM) with quadratic ... -
Pamoic acid esters and their xanthene derivatives: Flourimetric detection of nitroaromatic compounds and non-linear optical properties
(ELSEVIER SCIENCE SA, 2018)In this study, four pamoic acid esters and a dibenzoxanthene derivative of pamoic acid ester were prepared and characterized by the analytical and spectroscopic methods Molecular structure of the synthesized compounds were ... -
Photocatalytic oxidative degradation of 2-methylthiophene in suspensions of TiO2: identification of intermediates and degradation pathways
(ELSEVIER SCIENCE SA, 2001)The photocatalytic oxidative degradation of 2-methylthiophene has been investigated in aqueous suspensions of TiO2. The nature of the degradation products was investigated using GC/MS. The effects of the nature of the ... -
Role of shape properties of calcite and barite particles on apparent hydrophobicity
(ELSEVIER SCIENCE SA, 2004)Shape properties of calcite and barite particles ground by ball, rod and autogenous mills were examined by using scanning electron microscope (SEM). Shape properties have been stated in terms of shape descriptors such as ... -
Self immolative dioxetane based chemiluminescent probe for H2O2 detection
(ELSEVIER SCIENCE SA, 2017)Chemiluminescent detection of H2O2 has been achieved by using self immolative dioxetane based probe which enables the signal amplification via disassembly of two chemiluminogenic modules at the same time in response to ... -
Sev and pcu topological nets in one-pot newly synthesized mixed-ligand imidazole-containing Cu(II) coordination frameworks: Crystal structure, intermolecular interactions, theoretical calculations, magnetic behavior and biological activity
(ELSEVIER SCIENCE SA, 2018)Novel mixed-ligand coordination frameworks, occurring concomitantly namely [Cu(Im)(3)(H(2)Cit)] (1) and [Cu(Im)(2)(HCit)]center dot HIm (2) (with Im = imidazole and H(4)Cit = citric acid) were obtained as a result of the ... -
Strain measurement under the minimal controller synthesis algorithm and an extensometer design
(ELSEVIER SCIENCE SA, 2009)In this paper, minimal controller synthesis (MCS) algorithm is used in the case of strain measurement for the first time. The MCS control is an adaptive control method and it can be recommended as a robust controller for ... -
A study on friction and wear behaviour of carburized, carbonitrided and borided AISI 1020 and 5115 steels
(ELSEVIER SCIENCE SA, 2003)The friction and wear characteristics of AISI 1020 and 5115 steel surfaces improved by various thermochemical heat treatments such as carburizing, carbonitriding and boronizing were determined. Samples prepared from the ... -
Synthesis and characterization of a new low-cost composite for the adsorption of rare earth ions from aqueous solutions
(ELSEVIER SCIENCE SA, 2012)We synthesized and characterized a novel composite, poly(acrylamide-expanded perlite) [P(AAm-EP)] and investigated its adsorptive features for Tb3+. We achieved the synthesis by using free-radical polymerization and a ... -
Synthesis and characterization of Co(II), Ni(II), Cu(II) and Zn(II) complexes with a new homopiperazine macrocyclic Schiff base ligand
(ELSEVIER SCIENCE SA, 2015)A new macrocyclic Schiff-base ligand, L, was synthesized by condensation reaction of 1,4-bis(2-formylphenyl) homopiperazine and 1,3-diaminopropane in acetonitrile. The Schiff-base ligand was characterized by using elemental ... -
Synthesis of tetra-substituted phthalocyanines bearing 2-(ethyl(m-tolyl) amino)ethanol: Computational and photophysicochemical studies
(ELSEVIER SCIENCE SA, 2019)This work presents the synthesis of 4-(2-(ethyl(m-tolyl) amino) ethoxy) phthalonitrile (1) as ligand and its peripherally tetrasubstituted metal-free (2) and metallophthalocyanines (3-5) derivatives. Synthesized compounds ... -
Synthesis, characterization and investigation of electrical and electrochemical properties of imidazole substituted phthalocyanines
(ELSEVIER SCIENCE SA, 2011)Compound 1 has been synthesized by the reaction of 4-nitrophthalonitrile and 4,5-diphenyl-1H-imidazolethiole in DMSO in the presence of K2CO3. Compound 2 has been synthesized by heating compound 1 with metallic lithium in ... -
Thallium adsorption onto polyacryamide-aluminosilicate composites: A Tl isotope tracer study
(ELSEVIER SCIENCE SA, 2010)Adsorptive features of the composites of polyacrylamide (PAAm) and bentonite (B), and zeolite (Z) were investigated for Tl+ and TP3+. Langmuir monolayer adsorption capacities for the corresponding ions were 1.85 and 0.97 ... -
Unsymmetrical tripodal amines containing one pyridine-armed with N3O2-donor set: Coordination chemistry with zinc(II) and theoretical studies
(ELSEVIER SCIENCE SA, 2018)The synthesis of two known unsymmetrical N-capped tripodal amines, 3-((2-aminoethyl)(pyridin-2-ylmethyl)amino)propan-1-ol (3) and 3-((3-aminopropyl)(pyridin-2-ylmethyl)amino)propan-1-ol (4) is reported. They feature a ... -
Wear behavior of different surface treated cam spindles
(ELSEVIER SCIENCE SA, 2006)In this study wear behavior of cam spindles made of five different surface treated nodular cast iron (GGG50) and induction hardened CK45 steels was investigated. In the experiments; PVD-TiN-coated, both borided and ...