Başlık için Makale Koleksiyonu listeleme
Toplam kayıt 1058, listelenen: 1012-1031
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Tunable long-wavelength broad band asymmetric quantum well infrared photodetector
(IOP Publishing LTD, 2007)We present a theoretical investigation of a GaAs/AlGaAs infrared detector consisting of three asymmetric quantum wells. Each well is designed to yield absorption and a photoresponse at peak wavelengths of 8.2 mu m, 9.5 mu ... -
Turbidity Removal from Wastewaters of Natural Stone Processing by Coagulation/Flocculation Methods
(Wiley-V C H Verlag GMBH, 2009)The effectiveness of coagulation (at pH values of 6, 7.5, and 9), flocculation (at pH 9), and coagulation plus flocculation (at pH 9) on turbidity removal from natural stone (travertine) processing wastewaters (NSPW) were ... -
The two Bis(4-aminosalicylato-O) bis(N,N-dimethylethylenediamine)Ni(II) complexes
(Walter De Gruyter GMBH, 2012)The two complexes of Bis(4-aminosalicylato-O) bis(N,N-dimethylethylenediamine)Ni(II) with different colors, were synthesized by the reaction between sodium salt of 4-aminosalicylic acid (PAS-Na), Ni(NO3)(2) center dot ... -
Two dimensional cyano-bridged heteropolynudear complex containing Pd center dot center dot center dot pi interactions
(Walter De Gruyter GMBH, 2013)The heteronuclear complex, [Cd(NH3)(2)(mu-ampy)Pd(mu-CN)(2)(CN)(2)], (1) (ampy = 4-aminomethylpyridine), was synthesized and characterized by vibrational (FT-IR and Raman) spectroscopy, elemental and thermal analyses and ... -
Two new pyridine-2,3-dicarboxylate coordination polymers prepared from zerovalent metal precursor: Syntheses, luminescent and magnetic properties
(Academic Press Inc Elsevier Science, 2014)Two new K+/Cu(II) and Zn(II) coordination polymers with pyridine-2,3-dicarboxylate (pydc), {K-2[Cu(mu-PYdc)(2)] center dot 3H(2)O}(n) (1) and {[Zn(mu-pydc)(H2O)(4-mim)] center dot H2O}(n) (2) (4-mim=4-methylimidazole) have ... -
Two novel 2D and 3D coordination polymers constructed from pyrazine-2,3-dicarboxylic acid and chloride bridged secondary building units
(Elsevier Science Sa, 2011)The synthesis, spectroscopic properties and crystal structures of {[Cu-2(mu-Cl)(2)(mu(3)-Hpzdc)(Cl)(H2O)(2)]center dot 1.5H(2)O}(n) (1) and {[Cd(mu-Cl)(mu-Hpzdc)]center dot H2O)}(n) (2) complexes were reported (H(2)pzdc = ... -
Two novel isostructural and heteroleptic Nd(III) and Dy(III)-organic frameworks constructed by 2,5-pyridinedicarboxylic acid and in situ generated 2-pyridinecarboxylic acid: Hydrothermal synthesis, characterization, photoluminescence properties and heterogeneous catalytic activities
(Pergamon-Elsevier Science LTD, 2017)The crystal structures, heterogeneous catalytic activities and photoluminescent properties of two novel three dimensional (3D) metal organic frameworks (MOFs), [Nd(pyc)(pydc)(H2O)](n) (1) and [Dy(pyc) (pydc)(H2O)](n) (2) ... -
Unusual Very Strong O-H center dot center dot center dot O Hydrogen Bonding in Zinc Complex: Crystal Structure and Photoluminescence of [Zn(HL)(bpy)(2)(H2O)](2)(L) (L = O2C(CF2)(6)CO2, bpy = 2,2 ' bipyridine)
(Springer/Plenum Publishers, 2012)The centrosymmetric dimer zinc compound, [Zn(HL)(bpy)(2)(H2O)](2)(L), (L = O2C(CF2)(6)CO2, bpy = 2,2'-bipyridine), was obtained through the reaction of Zn(ClO4)(2)center dot 6H(2)O, bpy and perfluorosuberic acid. Zn(II) ... -
Use of bilayer gate insulator to increase the electrical performance of pentacene based transistor
(Elsevier Science Sa, 2017)In this study, bottom-gate top-contact pentacene-based organic field effect transistors (OFET) with various spin coated ultrathin organic dielectrics on anodized aluminum oxide (Al2O3) bilayer gate dielectrics were fabricated. ... -
Use of molecular imprinted nanoparticles as biorecognition element on surface plasmon resonance sensor
(Elsevier Science Sa, 2011)In this study, we have prepared lysozyme imprinted poly(ethylene glycol dimethacrylate-N-methacryloyl-L-histidine methylester) (PEDMAH) nanoparticles and then attached on the surface of surface plasmon resonance (SPR) ... -
Using heavy atom rare gas matrix to control the reactivity of 4-methoxybenzaldehyde: A comparison with benzaldehyde
(Amer Inst Physics, 2012)Different patterns of photochemical behavior were observed for 4-methoxybenzaldehyde (p-anisaldehyde) isolated in xenon and in argon matrices. Monomers of the compound isolated in solid Xe decarbonylate upon middle ultraviolet ... -
Utilization of the Phaseolus vulgaris L. waste biomass for decolorization of the textile dye Acid Red 57: determination of equilibrium, kinetic and thermodynamic parameters
(Taylor & Francis Inc, 2007)In the present study, biosorption of Acid Red 57 (AR57) onto a waste biomass of Phaseolus vulgaris L. was investigated by varying pH, contact time, biosorbent concentration and temperature, to determine the equilibrium, ... -
UV-spectral changes for some azo compounds in the presence of different solvents
(Elsevier Science BV, 2011)The electronic absorption spectra of four azo dyes with different substituents (such as Cl, I, OH) are determined at room temperature in twenty-one solvents with different polarities. The electronic transitions of azo dyes ... -
Validated capillary electrophoresis study for the determination of cetirizine in pharmaceutical forms
(Taylor & Francis Inc, 2006)A capillary electrophoretic method for the determination of cetirizine is described in this study. The method was developed by using a running buffer consisting of 10 mM of 10% methanol with pH 8.5, employing a fused silica ... -
A validated capillary electrophoretic method for the determination of indacaterol and its application to a pharmaceutical preparation
(Food & Drug Adminstration, 2018)Indacaterol is a new inhaled ultra-long acting beta(2)-agonist. It has been recently approved in the European Union for the treatment of chronic obstructive pulmonary disease. This paper reports, for the first time, a ... -
A Validated Capillary Electrophoretic Method for the Determination of Olopatadine and Its Application to a Pharmaceutical Preparation of Eye Drops
(Aoac Int, 2017)A validated rapid and sensitive capillary zone electrophoretic method for the determination of olopatadine hydrochloride (OLO) is described. Optimum conditions were found: 20 mmol/L sodium tetraborate buffer, acetonitrile ... -
Validated method for the determination of deflazacort by a flow-injection analysis with UV detection: Application to pharmaceutical formulations
(Taylor & Francis Inc, 2004)A simple, precise, accurate, and fast flow-injection analysis (FIA) method employing UV detection is described for the determination of deflazacort (DEF) in pharmaceutical tablets. The best carrier solvent system consisted ... -
Validated UV-Vis Spectrophotometric Method for the Determination of Copper using 2,3,4,6 '-Tetrahydroxy-3 '-Sulfoazobenzene in Real Samples
(Chem Soc Pakistan, 2018)A selective and sensitive spectrophotometric method has been proposed for the determination of copper by forming red-brown chelate at pH 3.5 (3-4) with 2,3,4,6'-tetrahydroxy-3' sulfoazobenzene (THSA). Molar absorptivity ... -
The variation of electronic properties with the doping concentration of modulation-doped AlxGa1-xAs-GaAs double quantum wells
(Academic Press LTD Elsevier Science LTD, 2007)In this paper we have calculated the sub-band structure and the confinement potential of modulation-doped Ga1-xAlxAs-GaAs double quantum wells as a function of the doping concentration. The electronic properties of this ... -
Variation of photoluminescence from Si nanostructures in SiO2 matrix with Si+ post implantation
(2007)Si nanoclusters were formed by 28Si ion implantation into SiO2 matrix and subsequently annealed at 1050 °C for 2 h under N2 ambient. The photoluminescence (PL) characteristics depend on the 28Si fluence. The PL signals ...
