Güncel Gönderiler: Fen Edebiyat Fakültesi Koleksiyonu
Toplam kayıt 1212, listelenen: 561-580
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A novel impedimetric disposable immunosensor for rapid detection of a potential cancer biomarker
(Elsevier, 2014)A specific and sensitive biosensor was developed successfully for quantitative detection of human epidermal growth factor receptor by electrochemical impedance spectroscopy. Anti-human epidermal growth factor receptor ... -
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 Biosensing System Using Biological Receptor for Analysis of Vascular Endothelial Growth Factor
(Springer, 2014)An immunosensor with rapid and ultrasensitive response for vascular endothelial growth factor (VEGF) has been built up with 4-aminothiophenol (4-ATP) onto the gold surfaces. Quantitative analysis of VEGF was performed by ... -
Amperometric Biosensor for Xanthine Determination Based On Fe3O4 Nanoparticles
(Slovensko Kemijsko Drustvo, 2014)An amperometric xanthine biosensor was developed based on the immobilization of xanthine oxidase (XO) into the Fe3O4 nanoparticles modified carbon paste. Electron transfer properties of unmodified and Fe3O4 nanoparticles ... -
A novel synthesis of 4-toluene 9H-carbazole-9-carbodithioate, electropolymerization and impedance study
(Budapest Univ Technol & Econ, 2014)A novel synthesis of 4-toluene 9H-carbazole-9-carbodithioate (TCzC) was chemically synthesized and characterized by Fourier Transform Infrared (FTIR), proton nuclear magnetic resonance (H-1-NMR), and carbon nuclear magnetic ... -
Synthesis of 2-(3,6-bis(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-9H-carbazole-9-yl)ethyl Methacrylate, Electropolymerization, Characterization and Impedimetric Study
(Electrochemical Soc Inc, 2013)In this work, 2-(3,6-bis(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-9H-carbazole-9-yl)ethyl methacrylate (EDOTCzMetac) was chemically synthesized and characterized by FTIR, H-1-NMR, and C-13-NMR. A novel synthesized comonomer ... -
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 ... -
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 ... -
Influence of raw rice husk addition on structure and properties of concrete
(2013)When concrete is exposed to high temperatures, vapor pressure increases and the concrete may spall. In order to prevent this, polypropylene fibers are added to concrete. However, it is known that these fibers produce harmful ... -
Electrolyte type and concentration effects on poly(3-(2-aminoethyl thiophene) electro-coated on glassy carbon electrode via impedimetric study
(Springer, 2013)In this study, 3-(2-Aminoethyl thiophene) (2AET) monomer was electropolymerized on glassy carbon electrode (GCE) using various electrolytes (lithium perchlorate (LiClO4), sodium perchlorate (NaClO4), tetrabutyl ammonium ... -
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 ... -
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 ... -
Determination of total antioxidant capacity and total phenolic compounds of Helianthus annuus L. growing in Turkey
(Dr Jyoti Garg, 2013)L- Ascorbic acid (AA: 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. AA is reversibly oxidized to form dehydroascorbic ... -
Enhanced solar photocatalytic activity of TiO2 by selenium(IV) ion-doping: Characterization and DFT modeling of the surface
(2013)TiO2 was doped with Se(IV) ions to obtain a visible light active photocatalyst with high photocatalytic activity. In order to characterize and describe the effect of Se(IV)-doping on the electronic and structural properties ... -
A review study of (bio)sensor systems based on conducting polymers
(Elsevier Science Bv, 2013)This review article concentrates on the electrochemical biosensor systems with conducting polymers. The area of electro-active polymers confined to different electrode surfaces has attracted great attention. Polymer modified ... -
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 ... -
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 ... -
Synthesis, characterization and biological studies of new antimony(III) halide complexes with omega-thiocaprolactam
(Elsevier Science Inc, 2012)Three new antimony(III) halide complexes (SbX3, X = Cl, Br and I) with the heterocyclic thione omega-thiocaprolactam (1-azacycloheptane-2-thione, (Hthcl)) of formulae {[SbCl2(mu(2)-Cl)(Hthcl)(2)](n)} (1), {[(SbBr2(mu(2)- ...