Güncel Gönderiler: Fakülteler
Toplam kayıt 6779, listelenen: 4041-4060
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Supercapacitor device performances of polycarbazole/graphene and polycarbazole/nanoclay/graphene nanocomposites
(Taylor & Francis Ltd, 2018)In this study, graphene oxide (GO) is chemically reacted with sodium borohydride (NaBH4) to form reduced graphene oxide (rGO). rGO, polycarbazole (PCz)/rGO and PCz/nanoclay/rGO materials were obtained by chemical polymerisation ... -
Electrospun carbon nanofiber web electrode: Supercapacitor behavior in various electrolytes
(Wiley, 2018)Carbon nanofibers (CNFs) draw great interest due to their noticeable mechanical, electrochemical, and physical properties. In this study, polyacrylonitrile-based CNFs are obtained via electrospinning technique. Thermal ... -
Preparation of rGO/Ag/PEDOT nanocomposites for supercapacitors
(Taylor & Francis Ltd, 2018)The hybrid nanocomposite based on poly(3,4-ethylenedioxythiophene)/Ag nanoparticle/reduced graphene oxide (rGO) was prepared by hydrazine hydrate. The nanocomposite materials have been characterized by scanning electron ... -
Synthesis of dipyrrolo[2,3-a:1 ',2 ',3 '-fg]acridin-12(1H)-ones
(Pergamon-Elsevier Science Ltd, 2018)Acylation reactions of 4,6-dimethoxyindoles with glyoxyloyl chlorides were achieved by the use of graphite powder in 1,2-dichloroethane at reflux. The products were monoketones as a result of decarbonylation, rather than ... -
Effects of calcium hydroxide and N-acetylcysteine on MMP-2, MMP-9, TIMP-1 and TIMP-2 in LPS-stimulated macrophage cell lines
(Walter De Gruyter Gmbh, 2018)Aim: This study was evaluated the effects of N-acetylcysteine (NAC) and calcium hydroxide (Ca(OH)(2)) on the expression levels of matrix metalloproteinase -2, -9 (MMP-2, -9) and tissue inhibitor metalloproteinase -1, -2 ... -
Concise total synthesis of (+/-)-aspidospermidine and computational study: FT-IR, NMR, NBO, NLO, FMO, MEP diagrams
(Elsevier, 2018)Aspidospermidine is a member of the compound class known as aspidospermaten-type alkaloids. Aspidospermidine is among the most highly sought aspidosperma alkaloid targets because it comprises the basic skeletal features ... -
An improved synthesis, spectroscopic (FT-IR, NMR) study and DFT computational analysis (IR, NMR, UV-Vis, MEP diagrams, NBO, NLO, FMO) of the 1,5-methanoazocino[4,3-b]indole core structure
(Elsevier, 2018)This study examines the synthesis of azocino[4,3-b]indole structure, which constitutes the tetracyclic framework of uleine, dasycarpidoneand tubifolidineas well as ABDE substructure of the strychnosalkaloid family. It has ... -
Bismuth(III) bromide-thioamide complexes: synthesis, characterization and cytotoxic properties
(Walter De Gruyter Gmbh, 2018)New bismuth(III) bromine compounds of the heterocyclic thioamides were prepared and structurally characterized. The reaction of heterocyclic thioamides with bismuth(III) bromide resulted in the formation of the ... -
A ternary nanocomposites of graphene / TiO2 / polypyrrole for energy storage applications
(Taylor & Francis Inc, 2018)Designing a new electrode active materials including graphene and nanomaterials such as Titanium dioxide (TiO2) with polypyrrole have important for supercapacitor devices. In this work, we present a new ternary nanocomposite ... -
The comparison of capacitor behaviors of polymethylcarbazole and polymethylcarbazole/graphene
(Elsevier Science Sa, 2017)We demonstrate the reduced graphene oxide (rGO) and comparison of Polymethylcarbazole (PMCz) and rGO/PMCz composites and their capacitive performances, which were calculated by cyclic voltammetry (CV), charge-discharge ... -
A ternary nanocomposite of reduced graphene oxide, Ag nanoparticle and Polythiophene used for supercapacitors
(Taylor & Francis Inc, 2018)The ternary nanocomposites of reduced graphene oxide (rGO), Ag nanoparticles, and polythiophene (PTh), (rGO/Ag/PTh) with different initial feed ratios of [GO](o)/[Th](o) = 0.2, 0.3 and 0.4 were used in a symmetric ... -
An entry to the synthesis of uleine-type alkaloids by Fischer indole synthesis reactions: FT-IR, NMR spectroscopy and computational study of the substituted carbazole compound
(Bulgarian Academy of Sciences, 2018)An efficient and straightforward method for the synthesis of 2-(2,3,4,9-tetrahydro-1H-carbazole-2-yl)acetonitrile by Fischer reaction of phenylhydrazine hydrochloride acid and 2-(3-oxocyclohexyl)acetonitrile in presence ... -
Capacitance behaviors of EDOT and pyrrole copolymer, and equivalent circuit model
(Taylor and Francis Ltd., 2018)In this paper, a copolymer of 3,4-Ethylenedioxythiophene (EDOT) and pyrrole (Py) were electrochemically synthesised on glassy carbon electrode by cyclic voltammetry (CV). The modified electrodes were characterised by CV, ... -
Influence of Se/N Codoping on the Structural, Optical, Electronic and Photocatalytic Properties of TiO2
(Mdpi Ag, 2017)Se4+ and N3- ions were used as codopants to enhance the photocatalytic activity of TiO2 under sunlight irradiation. The Se/N codoped photocatalysts were prepared through a simple wet-impregnation method followed by heat ... -
QSAR studies on antimony(III) halide complexes with N-substituted thiourea derivatives
(Pergamon-Elsevier Science Ltd, 2017)The synthesis, characterization and biological studies of three novel antimony(III) complexes (SbX3, X = Cl and Br) with N-substituted thioureas; N,N-dimethylthiourea (DMTU) and N,N-diethylthiourea (DETU) of formulae ... -
Reduced graphene oxide/Titanium oxide nanocomposite synthesis via microwave-assisted method and supercapacitor behaviors
(Elsevier Science Sa, 2017)In this paper, graphene oxide (GO) was firstly synthesized by modification of Hummers method from the literature. Secondly, reduced graphene oxide (rGO)/Titanium oxide (TiO2) nanocomposites were synthesized with different ... -
Quantification of Trypsin Activity by a New Biosensing System Based on the Enzymatic Degradation and the Destructive Nature of Trypsin
(Springer, 2017)Trypsin is an enzyme that is included in the hydrolysis class of enzymes. Trypsin catalyzes the cleavage of proteins from a serine residue and is found in the digestive system of vertebrates. The cystic fibrosis, which is ... -
New Bioflavonoids from Solanum nigrum L. by Anticholinesterase and Anti-tyrosinase Activities-guided Fractionation
(Acg Publications, 2017)Two new biflavonoids, (8-hydroxy-3'-beta-D-galactosyl-isoflavone)-2'-8'''-(4'''-hydroxy-flavone)biflavone (2); 2', 3', 5-trihydroxy-5 ''-methoxy-3 ''-O-a-glucosyl-3-4'''-O-biflavone (3) and along with apigenin (1) and ... -
Synthesis of poly(methylcarbazole) and its nanoclay and nanozinc composites and corrosion protection performances on stainless steel Type 304
(Walter De Gruyter Gmbh, 2017)Methylcarbazole (MCz) and its nanocomposites with Montmorillonite nanoclay and Zn nanoparticles were chemically synthesized on a stainless steel (SS304) electrode. The modified electrode was characterized by optical ... -
Light harvesting systems composed of carbazole based subphthalocyanine-BODIPY enhanced with intramolecular fluorescence resonance energy transfer (FRET)
(Elsevier Sci Ltd, 2017)A new series of subphthalocyanine-borondipyrromethene scaffolds containing N-ethylcarbazole moiety have been successfully designed and synthesized. The identities of synthesized compounds were confirmed by using H-1, C-13 ...
