Yayıncı "Pergamon-Elsevier Science Ltd" Fen Edebiyat Fakültesi Koleksiyonu için listeleme
Toplam kayıt 23, listelenen: 1-20
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Antimony(III) halide compounds of thioureas: Structures and biological activity
(Pergamon-Elsevier Science Ltd, 2014)Antimony(III) halide compounds (SbX3, X = Cl and Br) of thioureas; tetramethylthiourea (TMTU), N,N'-diethylthiourea (DETU) and 1,3-diisopropy1-2-thiourea (DIPTU) of formulae {[SbCl3(TMTU)](n)} (1), {[SbBr3(TMTU)](n)} (2), ... -
Azaindole-BODIPYs: Synthesis, fluorescent recognition of hydrogen sulfate anion and biological evaluation
(Pergamon-Elsevier Science Ltd, 2019)The synthesized and sensing capability of two novel azaindole substituted mono and distyryl BODIPY dyes against bisulfate anion were reported. Structural characterizations of the targeted compounds were conducted by using ... -
Biodiesel production from waste frying oils and its quality control
(Pergamon-Elsevier Science Ltd, 2010)The use of biodiesel as fuel from alternative sources has increased considerably over recent years, affording numerous environmental benefits. Biodiesel an alternative fuel for diesel engines is produced from renewable ... -
Calculation of eigenvalues and eigenfunctions of a discontinuous boundary value problem with retarded argument which contains a spectral parameter in the boundary condition
(Pergamon-Elsevier Science Ltd, 2011)In this work, a discontinuous boundary-value problem with retarded argument which contains a spectral parameter in the boundary condition and with transmission conditions at the point of discontinuity is investigated. We ... -
Characterization of one-step deposited Cu2ZnSnS4 thin films derived from a single crystalline powder
(Pergamon-Elsevier Science Ltd, 2019)In this paper, Cu-deficient and Zn-rich Cu2ZnSnS4 (CZTS) single crystals were successfully grown by Bridgman technique. Following the investigation of structural and photo-electrical properties of the grown CZTS crystal, ... -
Classical symmetry analysis and exact solutions for generalized Korteweg-de Vries models with variable coefficients
(Pergamon-Elsevier Science Ltd, 2018)In this paper, by using the classical symmetry analysis method symmetries for the generalized variable-coefficient Korteweg-de Vries model are obtained. Then, the reduced nonlinear ordinary differential equations with ... -
Determining the optimal parameters for the MHD flow and heat transfer with variable viscosity and Hall effect
(Pergamon-Elsevier Science Ltd, 2018)The direct and optimal control solution of the laminar, fully developed, steady MHD flow of an incompressible, electrically conducting fluid in a duct is considered together with the heat transfer. The flow is driven by a ... -
Extraction of stress intensity factors of biharmonic equations with corner singularities corresponding to mixed boundary conditions of clamped, simply supported, and free (II)
(Pergamon-Elsevier Science Ltd, 2022)In [13], we derived stress intensity factors (SIF) extraction formulas of a biharmonic equation delta(2)u = f in a cracked domain whose crack faces have clamped boundary conditions. In this paper, we extend our investigation ... -
Monomeric octahedral bismuth(III) benzaldehyde-N-1-alkyl thiosemicarbazones: Synthesis, characterization and biological properties
(Pergamon-Elsevier Science Ltd, 2022)Due to their chemical and biological properties, the interest in thiosemicarbazones and their metal complexes is increasing day by day. In this study, the effect of the substituents at the N-1 atoms of the thiosemicarbazones ... -
Naked-eye fluorescent sensor for Cu(II) based on indole conjugate BODIPY dye
(Pergamon-Elsevier Science Ltd, 2016)A novel on/off fluorescent indole/BODIPY-based Cu2+ chemosensor (3) was synthesized by Knoevenagel condensation of BODIPY derivative 1 with 2-methyl-indole-3-carbaldehyde 2. The identity of compound 3 was confirmed by H-1 ... -
Observations on the class of Balancing Principle for nonlinear PDEs that can be treated by the auxiliary equation method
(Pergamon-Elsevier Science Ltd, 2015)There is collection of methods for finding explicit travelling wave solutions of nonlinear partial differential equations (NLPDEs) in the literature. Quite a large amount of these methods employ Balancing Principle in their ... -
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 ... -
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 ... -
Selective oxidative deoximation with anhydrous Ce(IV) sulfate
(Pergamon-Elsevier Science Ltd, 2015)Anhydrous Ce(SO4)(2) in chloroform selectively converts oximes into the parent carbonyl compounds in good yields. Hammett correlations helped to indicate a plausible mechanism for the above reaction. The formation of ... -
Some electrophilic reactivity studies of di-(2-indolyl)dibenzofurans and di-(2-indolyl)carbazoles
(Pergamon-Elsevier Science Ltd, 2014)3,6-Bis-(2-indolyl)dibenzofurans 1,2, and carbazoles 3-6 underwent a range of electrophilic substitution reactions to produce formyl indoles 7-12, biindolyls 24-28 and 33-34, glyoxylamides 40-42, and amides 48. (C) 2014 ... -
Synthesis and biological activity of novel mono-indole and mono-benzofuran inhibitors of bacterial transcription initiation complex formation
(Pergamon-Elsevier Science Ltd, 2015)Our ongoing research focused on targeting transcription initiation in bacteria has resulted in synthesis of several classes of mono-indole and mono-benzofuran inhibitors that targeted the essential protein-protein interaction ... -
Synthesis and biological evaluation of 2,5-di(7-indolyl)-1,3, 4-oxadiazoles, and 2-and 7-indolyl 2-(1,3,4-thiadiazolyl)ketones as antimicrobials
(Pergamon-Elsevier Science Ltd, 2014)A range of novel hydrazine bridged bis-indoles was prepared from readily available indole-7-glyoxyloylchlorides and 7-trichloroacetylindoles and underwent cyclodehydration to produce 2,5-di(7-indolyl)-1,3,4-oxadiazoles and ... -
Synthesis of 7,7 '-Linked-Bis-Indoles Via 7-Tryptamines
(Pergamon-Elsevier Science Ltd, 2016)The synthesis of 7-tryptamines was accomplished via the reduction of 7-nitrovinylindoles which were developed by the condensation of indole-7-carbaldehydes with nitromethane and ammonium acetate. 7-Tryptamines were ... -
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 ... -
Synthesis, characterization and biological activity of antimony(III) or bismuth(III) chloride complexes with dithiocarbamate ligands derived from thiuram degradation
(Pergamon-Elsevier Science Ltd, 2014)Antimony(III) or bismuth(III) complexes of formulae {[SbCI(Me2DTC)(2)](n)} (I), {[BiCl(Me2DTC)(2)](n)} (2) and {[Bi(Et2DTC)(3)](2)} (3) (Me2DTCH = dimethyldithiocarbamate, C3H7NS2 and Et2DTCH = diethyldithiocarbamate, ...