Yayın tarihi için Kimya Bölümü listeleme
Toplam kayıt 209, listelenen: 101-120
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Selective and sensitive determination of repaglinide in pharmaceuticals by voltammetric and LC methods
(Editions de l'Academie Republique Populaire, 2015)Detailed electrochemical study and novel voltammetric and LC methods are presented for the determination of repaglinide (RPG) in pharmaceuticals. Repaglinide in methanol: buffer solution (20:80; v/v) shows one or two anodic ... -
Preparation and characterization of polyvinyl alcohol based copolymers as wound dressing fibers
(Taylor and Francis Inc., 2015)Biocompatible polyvinyl alcohol/polyethylene glycol and polyvinyl alcohol/polypropylene glycol copolymer mats were prepared by electrospinning. The composite fiber mats were subjected to detailed physical analysis complemented ... -
Fe(II)-Co(II) double salt incorporated magnetic hydrophobic microparticles for invertase adsorption
(Humana Press Inc., 2015)Invertase (β-fructofuranoside fructohydrolase, EC 3.2.1.26) is an enzyme widely used in the food industry. Its main function is the formation of glucose and fructose through hydrolysis of sucrose. For the separation and ... -
Intramolecular Gold-Catalyzed and NaH-Supported Cyclization Reactions of N-Propargyl Indole Derivatives with Pyrazole and Pyrrole Rings: Synthesis of Pyrazolodiazepinoindole, Pyrazolopyrazinoindole, and Pyrrolopyrazinoindole
(American Chemical Society, 2015)Gold-catalyzed and NaH-supported intramolecular cyclization of N-propargyl indole derivatives with pyrazole and pyrrole units attached to indole is described. An efficient route to the synthesis of pyrazolodiazepinoindole, ... -
Design of pyrazolo-pyrrolo-pyrazines and pyrazolo-pyrrolo-diazepines via AuCl3-catalyzed and NaH-supported cyclization of N -propargyl pyrazoles
(American Chemical Society, 2015)A concise synthetic methodology for new heterocyclic scaffolds, such as pyrazolo-pyrrolo-pyrazine and pyrazolo-pyrrolo-diazepine skeletons, was developed. The key features of this method include (i) synthesis of pyrrole-derived ... -
Boric acid: A simple molecule of physiologic, therapeutic and prebiotic significance
(Walter de Gruyter GmbH, 2015)Boric acid, H3BO3, is a weak acid and at physiological pH is in the form of an uncharged small molecule. Behaving as a Lewis acid, it forms complexes with amino- and hydroxy acids, carbohydrates, nucleotides and vitamins ... -
Adsorption of Victoria Blue R (VBR) dye on magnetic microparticles containing Fe(II)–Co(II) double salt
(Taylor and Francis Inc., 2016)Magnetic microparticles have many applications in various areas today. The aim of this study was to develop hydrophobic magnetic microparticles as an alternative to traditional methods for high capacity and low cost removal ... -
Synthesis and thermal characterization of p-coumaric acid complexes of CoII, NiII, CuII and ZnII metal cations and biological applications
(Hitit University, 2016)The phenolic compound used in this study is p-coumaric acid, which is the derivative of phenolic acid playing a role in giving color, odor and taste to the plants. The p-coumaric acid is an organic compound derived from ... -
A simple and rapid method for preparing carbon nanopore electrode ensemble by coating a glassy carbon electrode with chromate
(Hitit University, 2016)A simple preparation method for carbon nanopore electrode ensemble (CNEE) was reported. The CNEE consists of a number of pinholes which remain after coating a carbon surface with chromate. The transformation from transient ... -
Antimicrobial and cytotoxic evaluation of new quinazoline derivatives
(Natural Product Incorporation, 2016)The synthesis of nine new quinazoline derivatives (2a-2i) and evaluation of their antimicrobial and cytotoxic activities were aims of the present work. For the synthesis of the compounds, 2-chloro-6,7-dimethoxyquinazolin-4-amine ... -
Facile synthesis of the azocino[4,3-b]indole framework of strychnopivotine and other Strychnos alkaloids
(Springer New York LLC, 2016)[Figure not available: see fulltext.]A new synthetic route to the 1,5-methanoazocino[4,3-b]indole is described. The aim of the present study is to provide a tetracyclic skeleton for the synthesis of pentacyclic Strychnos ... -
Separation and elution order of the enantiomers of some beta-agonists using polysaccharide-based chiral columns and normal phase eluents by high-performance liquid chromatography
(Elsevier B.V., 2016)In this study separation of enantiomers of 8 chiral ?-agonists were studied on 6 polysaccharide-based chiral columns in polar-organic and alcohol-hydrocarbon mobile phases. No separation of enantiomers was observed on any ... -
Production of Magnetic Nano-bioconjugates via Ball Milling of Commercial Boron Powder with Biomolecules
(Wiley-VCH Verlag, 2016)Mechanochemical preparation and characterization of surface-functionalized magnetic boron nanoparticles for biomedical applications are presented. Alloying with the stainless steel ball milling material during mechanochemical ... -
The inhibition of steel corrosion in acidic solutions by a new Schiff base
(Sociedad Chilena de Quimica, 2016)The inhibition effect of 2,2?- (((thiobis (4,1 phenylene)) bis(azanylylidene)) bis(methanylyidene)) bis(4-methoxyphenol) (BIS-IMIN) on the corrosion behavior of 304-stainless steel (SS) in 0.5 M HCl solution was studied ... -
Simultaneous determination of amlodipine besylate and rosuvastatin calcium in binary mixtures by voltammetric and chromatographic techniques
(Institute for Ionics, 2016)Voltammetric and liquid chromatographic (LC) methods have been developed for the simultaneous determination of amlodipine besylate (AML) and rosuvastatin calcium (ROS) for the first time. Detailed electrochemical behavior ... -
Synthesis, spectral, and thermal studies of Co(II), Ni(II), Cu(II), and Zn(II)-glycinato complexes and ınvestigation of their biological properties: Crystal structure of [Cu(µ-gly)2(H2O)]n
(Taylor and Francis Inc., 2016)The complexes of metal cations with glycine amino acid were synthesized and characterized by FTIR, TGA, UV-Vis, and elemental analysis methods. Just the CuII-complex was suitably obtained as a single crystal. Neighboring ... -
Synthesis and characterization of new phthalocyaninato cobalt complexes containing crown ether linked 1,8-disubstituted anthraquinones
(Taylor and Francis Inc., 2016)The synthesis of novel cobalt(II) phthalocyanine complexes, peripheral symmetrically derived from 5,28-dioxo-5,11,12,14,15,22,23,25,26,27-decahydro-10H-4,6-methanotribenzo [e,n,q][1,4,7,10,13,19] tetraoxadiazacyclohenico ... -
Synthesis of novel Schiff Bases containing acryloyl moiety and the investigation of spectroscopic and electrochemical properties
(Elsevier B.V., 2016)A novel Schiff bases and their acryloyl derivatives were synthesized through the reaction of p-hydroxybenzaldehyde in order of with aniline, p-chloroaniline, p-nitroaniline, p-methylaniline and p-aminobenzoic acid. The ... -
Diphenic acid/nicotinamide and 1,10-phenanthroline complexes of CoII, CuII and ZnII. Synthesis and structural investigation
(Elsevier Ltd, 2016)The complexes of diphenic acid with CoII and CuII metals and diphenic acid/nicotinamide mixed ligand with CoII and ZnII metals were synthesized and characterized of structural properties by elemental analysis, FT-IR spectra, ... -
Experimental and simulation study on structural characterization and hydrogen storage of metal organic structured compounds
(Elsevier Ltd, 2016)One of the barrier for common usage of hydrogen energy system is storing hydrogen efficiently. Especially for mobile applications, it is very important to store hydrogen in small spaces reversibly. Metal-organic framework ...