Yayıncı "Elsevier Science Sa" Makale Koleksiyonu için listeleme
Toplam kayıt 61, listelenen: 21-40
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Facile two-step preparation of polystyrene/anatase TiO2 core/shell colloidal particles and their potential use as an oxidation photocatalyst
(Elsevier Science Sa, 2014)Titania and materials containing titania have received considerable attention due to their technological importance in many areas. In this study, anatase crystalline titania (TiO2) coated polystyrene (PS) colloidal particles ... -
Frequency and temperature dependent electrical and dielectric properties of LaCrO3 and Ir doped LaCrO3 perovskite compounds
(Elsevier Science Sa, 2018)Perovskite oxide materials, especially perovskite lanthanum chromium oxide, LaCrO3 (LCO) have taken considerable attention among the scientists due to the changing optical, electrical, dielectric and magnetic properties ... -
Improved mobility of the copper phthalocyanine thin-film transistor
(Elsevier Science Sa, 2010)Copper phthalocyanine (CuPc) organic thin-film transistor (OTFT) was fabricated by thermal evaporation deposition on p-SiO2 dielectric layer. Organic thin-film transistors used in large display areas need the enhancement ... -
Influence of heat treatment on the nanocrystalline structure of ZnO film deposited on p-Si
(Elsevier Science Sa, 2009)The influence of heat treatment on the crystal structure, grain growth kinetics, orientation, and refractive index properties of the ZnO film deposited onto p-type single-crystalline Si substrate by sol-gel method has been ... -
Influence of the deposition temperature on the physical properties of high electron mobility ZnO films by sol-gel process
(Elsevier Science Sa, 2015)Influence of the deposition temperature on the structural, morphological and electrical properties of the sol gel derived nanostructure Zinc Oxide (ZnO) films on p-type Silicon (p-Si) substrates were investigated. X-ray ... -
Investigation of structural, morphological and optical properties of nickel zinc oxide films prepared by sol-gel method
(Elsevier Science Sa, 2011)NiZnO films have been prepared on glass substrates by sol-gel spin coating method. Nickel (II) nitrate hexahyrate and zinc acetate dihydrate were used as precursors. Surface morphology and crystalline structure of the films ... -
Ion chromatography-potentiometric detection of inorganic anions and cations using polypyrrole and overoxidized polypyrrole electrode
(Elsevier Science Sa, 2008)Polypyrrole (PPy) and overoxidized polypyrrole (OPPy) films were used as a potentiometric detector in ion chromatography, in order to determine some anions and cations in water samples. Electrodeposition of PPy film was ... -
Molecularly imprinted ligand-exchange recognition assay of DNA by SPR system using guanosine and guanine recognition sites of DNA
(Elsevier Science Sa, 2008)Molecular imprinting polymer (MIP) as a recognition element for sensors are increasingly of interest and MIP-SPR have started to appear in the literature. In this Study, we have proposed a novel surface imprinting method ... -
N-acylbenzotriazole mediated microwave assisted synthesis of protected and novel unprotected ferrocenoylamidoamino acids
(Elsevier Science Sa, 2011)In this study, crystalline and chirally stable carboxyl-protected and novel unprotected N-ferrocenoyl amino acid derivatives of Ser, Cys, Ala, Phe, Trp, Asp and Asn have been prepared. These amino acids undergo substitution ... -
N-ferrocenoyl benzotriazole: A convenient tool for the synthesis of ferrocenoyl esters
(Elsevier Science Sa, 2010)A new synthesis methodology has been presented for the preparation of the ferrocenoyl esters. Ferrocene carboxylic acid was derivatized using direct 1H-benzotriazole/SOCl(2) methodology to prepare N-ferrocenoyl benzotriazole ... -
Nano anti-tumor necrosis factor-alpha based potentiometric sensor for tumor necrosis factor-alpha detection
(Elsevier Science Sa, 2015)Tumor necrosis factor (TNF)-alpha promotes rheumatoid arthritis (RA) symptoms, including inflammation and bone erosion. The role of TNF-alpha. in RA is considered to be complex because cytokine is responsible for a wide-range ... -
Novel boron compounds of 2,3-and 2,5-pyridinedicarboxylic acids
(Elsevier Science Sa, 2012)The (Hea)[B(ph)(2)(2,3-pydc)] (1) and (Hea)[B(ph)(2)(2,5-pydc)] (2) boron compounds (2,3-H(2)pydc = 2,3-pyridinedicarboxylic acid, 2,5-H(2)pydc = 2,5-pyridinedicarboxylic acid, Hea = ethanolammonium) were synthesized and ... -
On the structural characterization of InAs/GaSb type-II superlattices: The effect of interfaces for fixed layer thicknesses
(Elsevier Science Sa, 2013)We report on the detailed epitaxial growth conditions for type-II InAs/GaSb superlattice (SL) structures designed for mid-wave infrared detection. The mismatch between the GaSb buffer and the SL is precisely controlled by ... -
Os doped YMnO3 multiferroic: A study investigating the electrical properties through tuning the doping level
(Elsevier Science Sa, 2018)Previously, it has been demonstrated the electrical and magnetic properties of YMnO3 (YMO) can be tuned with substitution of different elements into Y and/or Mn sites. In this study, the electrical properties of YMO were ... -
Paraoxon imprinted biopolymer based QCM sensor
(Elsevier Science Sa, 2013)In this study, a novel quartz crystal microbalance (QCM) based on the modification of paraoxon imprinted polymer (TCM-Cd(II)-paraoxon) film onto a quartz crystal sensor has been developed for the determination of paraoxon. ... -
Phosphorus nitrogen compounds: Part 34. Syntheses, structural investigations, cytotoxic and biological activities of spiro-ansa-spiro and spiro-bino-spiro tetrameric phosphazene derivatives
(Elsevier Science Sa, 2016)The reactions of N4P4Cl8 with the symmetric N2N2 (1-3) and N2O2 (4) bulky ligands gave partly substituted 2,4-sas (5 and 6), 2,6-sas (7-10) and sbs (11-14) tetrameric phosphazene derivatives. The 2,4-sas-5, 2,6-sas-8 and ... -
Phosphorus-nitrogen compounds: Part 26. Syntheses, spectroscopic and structural investigations, biological and cytotoxic activities, and DNA interactions of mono and bisferrocenylspirocyclotriphosphazenes
(Elsevier Science Sa, 2013)The condensation reactions of the tetrachloro mono (1 and 2) and bisferrocenylspirocyclotriphosphazenes (3-5) with 1,4-dioxa-8-azaspiro[4,5]decane (DASD) resulted in the formation of the partly and fully DASD-substituted ... -
Phosphorus-nitrogen compounds: Part 31. Syntheses, structural and stereogenic properties, in vitro cytotoxic and antimicrobial activities, and DNA interactions of bicyclotetraphosphazenes containing bulky side group
(Elsevier Science Sa, 2015)Hexachlorocyclotriphosphazene, N3P3Cl6, and octachlorocyclotetraphosphazene, N4P4Cl8, were reacted with K2N2O2 salt of symmetric tetradentate ligand to obtain spiro-bino-spiro [(sbs) (2)] and 2,6-spiro-ansa-spiro [(2,6-sas) ... -
Poly(pyrrole-3-carboxylic acid)-modified pencil graphite electrode for the determination of serotonin in biological samples by adsorptive stripping voltammetry
(Elsevier Science Sa, 2015)In this study, we have focused on two subjects which are the preparation of a poly(pyrrole-3-carboxylicacid) modified pencil graphite electrode (p(P3CA)/PGE) and the development of a novel sensing strategy for the determination ... -
Preparation and characterization of electrodeposited ZnO and ZnO:Co nanorod films for heterojunction diode applications
(Elsevier Science Sa, 2013)Well-aligned undoped and Co-doped nanorod ZnO films were grown by electrochemical deposition onto p-Si substrates from an aqueous route. Aqueous solution of Zn(NO3)(2)center dot 6H(2)O and hexamethylenetetramine (HMT) were ...