Ara
Toplam kayıt 239, listelenen: 111-120
Synthesis, structural characterization and cytotoxicity of the antimony(III) chloride complex with N,N-dicyclohexyldithiooxamide
(Pergamon-Elsevier Science Ltd, 2013)
The reaction of antimony(III) chloride with the bidentate substituted dithiooxamide ligand, N,N-dicyclohexyldithiooxamide (HDTOA), in 1:1 molar ratio, leads to the formation of the polymeric complex {[SbCl3(HDTOA)(1.5)]}(n) ...
A novel synthesis of (3,6-bis(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-9-(4-vinylbenzyl)-9H-carbazole), alternating polymer formation, characterization, and capacitance measurements
(Springer, 2013)
In this work, (3,6-bis(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-9-(4-vinylbenzyl)-9H-carbazole) (EDOTVBCz) comonomer was chemically synthesized and characterized by Fourier transform infrared (FTIR), proton nuclear magnetic ...
Antioxidant and Tyrosinase Inhibitory Activities of Flavonoids from Trifolium nigrescens Subsp petrisavi
(Amer Chemical Soc, 2013)
Trifolium nigrescens was researched for its chemical constituents for the first time. Bioassay-guided isolation of the EtOAc extract from the leaves of T. nigrescens resulted in the purification of a new biflavone, 4',5,5 ...
Electrochemical copolymerization of N-methylpyrrole and 2,2 '-bithitiophene; characterization, micro-capacitor study, and equivalent circuit model evaluation
(Indian Acad Sciences, 2013)
N-methylpyrrole (N-MPy) and 2,2'-bithiophene (BTh) were electrocopolymerized in 0 center dot 2 M acetonitrile-sodium perchlorate solvent-electrolyte couple on a glassy carbon electrode (GCE) by cyclic voltammetry (CV). The ...
Comparison of electrolyte effects for poly(3,4-ethylenedioxythiophene) and poly(3-octylthiophene) by electrochemical impedance spectroscopy and polymerization parameters with morphological analyses on coated films
(Springer, 2013)
3,4-Ethylenedioxythiophene and 3-octylthiophene were electropolymerized on glassy carbon electrodes (GCE) to compare with four different electrolytes [lithium perchlorate (LiClO4), sodium perchlorate, tetraethylammonium ...
Phenolic compounds from Trifolium echinatum Bieb. and investigation of their tyrosinase inhibitory and antioxidant activities
(Pergamon-Elsevier Science Ltd, 2013)
Two bischromones, 3,3'-dimethoxy-2'-oxychromone (1), 3,3'-dihydroxy-2,2'-oxychromone (2) and a biflavone, 5,7,4',5 '',3''',4''''-hexahydroxy-3 ''-O-beta-glucosyl-3',7 ''-O-biflavone (3) have been isolated from whole plant ...
Synthesis of 6-(3,6-di(thiophene-2-yl)-9H-carbazole-9-yl)-hexanoic acid, alternating copolymer formation, characterization and impedance evaluations
(Taylor & Francis Ltd, 2013)
In this paper, 6-(3,6-di(thiophene-2-yl)-9H-carbazole-9-yl)-hexanoic acid (ThCzHa) comonomer was newly synthesized and characterized with Fourier transform infrared spectroscopy (FTIR) and H-1-NMR. The synthesized comonomer ...
9H-Carbazole-9-carbothioic dithioperoxyanhydride
(Int Union Crystallography, 2013)
The whole molecule of the title compound, C26H16N2S4, is generated by twofold rotational symmetry. The carbazole skeleton is nearly planar [maximum deviation = 0.054 (5)angstrom]. In the crystal, aromatic pi-pi stacking ...
New spectrofluorimetric method for the determination of nizatidine in bulk form and in pharmaceutical preparations
(Pleiades Publishing Inc, 2013)
A simple, accurate and highly sensitive spectrofluorimetric method has been developed for determination of nizatidine in pure form and in pharmaceutical dosage forms. The method is based on the reaction between nizatidine ...
Determination of Total Antioxidant Capacity of Rosehip (R. arvensis Huds) Growing in Turkey and Rosehip Species by Using CUPRAC Spectrophotometric Method
(Asian Journal Of Chemistry, 2013)
L-Ascorbic acid (vitamin C) is the most important vitamin for human nutrition supplied by fruits and vegetables, and is the main water-soluble antioxidant in human plasma. L-Ascorbic acid is reversibly oxidized to form ...