Güncel Gönderiler: Fen Edebiyat Fakültesi Koleksiyonu
Toplam kayıt 1212, listelenen: 521-540
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Determination of antioxidant activities, total phenolic, flavonoid, anthocyanin, ? carotene and lycopene contents, essential and toxic elements in commercial cornelian cherry marmalades
(International Congress of Chemistry and Environment, 2015)Cornelian cherry fruit have taken great attention for their health benefits in the last years. The purpose of this study is to analyse the antioxidant activities, total phenolic, flavonoid, anthocyanin ?-carotene and ... -
Mott-Schottky and Morphologic Analysis of Poly(Pyrrole-N-Propionic Acid) in various electrolyte systems
(Esg, 2015)In this study, pyrrole-N-propionic acid (PPA) was electrochemically polymerized on a glassy carbon electrode (GCE) in various electrolytes (NaClO4, Et4NBF4, Bu4NClO4, and Bu4NPF6) using cyclic voltammetry (CV). The structure ... -
Nanocomposite film formations of polyaniline via TiO2, Ag, and Zn, and their corrosion protection properties
(Elsevier Science Sa, 2015)Polyaniline (PAN!) and its nanocomposites containing TiO2, Ag, and Zn were electrocoated on an Al1050 electrode by cyclic voltammetry. The modified polymer and the nanocomposite films were characterized by cyclic voltammetry ... -
Polyaniline and polypyrrole/TiO2 nanocomposite coatings on Al1050: electrosynthesis, characterization and their corrosion protection ability in saltwater media
(Springer, 2015)Polyaniline (PANI), polypyrrole (PPy) nanofilms, PANI/TiO2 and PPy/TiO2 nanocomposites were synthesized electrochemically on Al1050 electrode. The formation of PANI and PPy nanofilms and PANI/TiO2 and PPy/TiO2 nanocomposites ... -
Poly(9H-Carbazole-9-Carbothioic Dithioperoxyanhydride) Formation and Capacitor Study
(Taylor & Francis As, 2015)9H-Carbazole-9-carbothioic dithioperoxyanhydride (2CS(2)Cz) was chemically synthesized in our previous study. In this work, specific (C-sp) and double layer capacitances (C-dl) of the electrocoated poly(9H-carbazole-9-carbothioic ... -
Facile Synthesis of Some 3-(Benzimidazol-2-yl)- and 3,6-Di(Benzimidazol-2-yl)-9-ethyl-9H-carbazoles
(Taylor & Francis Inc, 2015)A simple and efficient synthesis of novel 3-(benzimidazol-2-yl)- and 3,6-di(benzimidazol-2-yl)-9-ethyl-9H-carbazoles is described. The synthetic approach for the preparation of 2-substituted benzimidazoles 4-8 and ... -
First order derivative spectrophotometric method for the determination of benidipine hydrochloride pharmaceutical preparations and forced degradation study
(Pleiades Publishing Inc, 2015)A simple and rapid first order derivative spectrophotometric method was developed for the determination of benidipine hydrochloride in pure form and pharmaceutical preparations. For the first derivative spectrophotometric ... -
Detection of Parathyroid Hormone Using an Electrochemical Impedance Biosensor Based on PAMAM Dendrimers
(Wiley, 2015)This paper presents a novel hormone-based impedimetric biosensor to determine parathyroid hormone (PTH) level in serum for diagnosis and monitoring treatment of hyperparathyroidism, hypoparathyroidism and thyroid cancer. ... -
Comparison of corrosion protection of chemically and electrochemically synthesized poly(N-vinylcarbazole) and its nanocomposites on stainless steel
(Springer, 2015)Strong adherent electroactive polymer films of poly(vinylcarbazole) (PVCz) and its nanocomposites with P(VCz)/nanoclay and P(VCz)/Zn nanoparticle have been electrodeposited on stainless steel (SS304) by chronoamperometric ... -
Concise Total Synthesis of 20-Deethyl-4-demethyldasycarpidone
(Taylor & Francis Inc, 2015)[No Abstract Available] -
Carbazole substituted BODIPY dyes: Synthesis, photophysical properties and antitumor activity
(Elsevier Sci Ltd, 2015)In this study, two different BODIPYs containing carbazole groups at the mesa position were designed and synthesized. All compounds were fully characterized by elemental analysis, FT-IR, matrix-assisted laser desorption/ionization ... -
Comparison of anticorrosion behavior of polyaniline and poly(3,4-methylenedioxyaniline) and their titanium dioxide nanocomposites
(Sage Publications Ltd, 2015)In this study, polyaniline (PANI) and poly(3,4-methylenedioxyaniline) (P(MDAN)) nanocomposites with titanium dioxide (TiO2) nanoparticles were investigated on Al1050 electrodes. Aniline (ANI), MDAN, ANI/TiO2, and MDAN/TiO2 ... -
Amperometric uric acid biosensor based on poly(vinylferrocene)-gelatin-carboxylated multiwalled carbon nanotube modified glassy carbon electrode
(Elsevier Science Bv, 2015)In this study, a new uric acid biosensor was constructed based on ferrocene containing polymer poly (vinylferrocene) (PVF), carboxylated multiwalled carbon nanotubes (c-MWCNT) and gelatin (GEL) modified glassy carbon ... -
Amperometric Lactate Biosensor Based on Carbon Paste Electrode Modified with Benzo[c]cinnoline and Multiwalled Carbon Nanotubes
(Wiley-V C H Verlag Gmbh, 2015)Amperometric lactate biosensor based on a carbon paste electrode modified with benzo[c]cinnoline and multiwalled carbon nanotubes is reported. Incorporation of benzo[c] cinnoline acting as a mediator and multiwalled carbon ... -
Analysis of the reaction kinetics of aminotoluene molecule through DFT method
(Bulgarian Acad Science, 2015)In this study, the most probable reaction paths of aminotoluene (o-toluidine) molecule with OH radical were analyzed. The optimized geometry was calculated via Gauss View 5. Subsequently, the lowest energy status was found ... -
A new methodology for the determination of enzyme activity based on carbon nanotubes and glucose oxidase
(Elsevier, 2015)In this research, a novel enzyme activity analysis methodology is introduced as a new perspective for this area. The activity of elastase enzyme, which is a digestive enzyme mostly of found in the digestive system of ... -
A new biflavonoid from Solanum dulcamara L. and investigation of anti-hyperglycaemic activity of its fruit extract
(Taylor & Francis Ltd, 2015)A new biflavone, 6,2 ',3 '',5 '',4'-pentahydroxy-3,7 ''-biflavone, has been isolated from the fruits of Solanum dulcamara L., in addition to two known compounds, beta-sitosterol and stigmasterol. Their structures were ... -
Voltammetric behavior of lercanidipine and anodic adsorptive stripping voltammetric method for assay in pharmaceutical dosage forms and biological fluids
(Bulgarian Acad Science, 2014)Electrochemistry of lercanidipine (LCN) was investigated and its optimal conditions were evaluated based on the irreversible and diffusion-controlled electrochemical oxidation signal (+ 0.93 V) of a carbon paste electrode ... -
Validated spectrofluorimetric method for the determination of tamsulosin in spiked human urine, pure and pharmaceutical preparations
(Wiley-Blackwell, 2014)A novel, sensitive and selective spectrofluorimetric method was developed for the determination of tamsulosin in spiked human urine and pharmaceutical preparations. The proposed method is based on the reaction of tamsulosin ... -
Synthesis, structural characterization and cytostatic properties of N,N-dicyclohexyldithiooxamide complexes of antimony(III) halides (SbX3, X: Br or I)
(Pergamon-Elsevier Science Ltd, 2014)The novel antimony(III) halide complexes with the bi-dentate substituted dithiooxamide ligand, N,N-dicyclohexyldithiooxamide (HDTOA) of formulae {[SbBr3(HDTOA)(1.5)]}(n) (I) and ([SbI3(HDTOA)(1.5)]center dot C6H6}(n) (2), ...