Başlık için Fizik Bölümü listeleme
Toplam kayıt 1178, listelenen: 765-784
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Photoisomerization and Photochemistry of Matrix-Isolated 3-Furaldehyde
(American Chemical Society, 2010)3-Furaldehyde (3FA) was isolated in an argon matrix at 12 K and studied using FTIR spectroscopy and quantum chemistry The molecule has two conformers with trans and cis orientation of the O=C-C=C dihedral angle At the ... -
A photoluminescent dinuclear silver(I) complex exhibits C-H center dot center dot center dot Ag close interactions and a new coordination mode of the pyridine-2,3-dicarboxylate
(Elsevier Science BV, 2011)In this study, a novel dinuclear Ag(I)-pyridine-2,3-dicarboxylate complex with 1,3-diaminopropane ligand (pda). [Ag(2)(mu-2,3-pydc)(2)(Hpda)(2)]center dot 2H(2)O (H(2)2,3-pydc = pyridine-2,3-dicarboxylic acid), has been ... -
Photophysics of novel coumarin-labeled depsipeptides in solution: sensing interactions with SDS micelle via TICT model
(Springer Wien, 2013)N-Acylbenzotriazoles enable the synthesis (69-92 % yield) of blue to green fluorescent coumarin-labeled depsidipeptides 8a-f (quantum yields 0.004-0.97) and depsitripeptides 12a-d (quantum yields 0.02-0.96). Detailed ... -
Photorotamerization of matrix-isolated acrylic acid revisited
(Amer Inst Physics, 2011)In this study, the conformational preferences and photochemistry of acrylic acid (AA, CH(2)=CHCOOH) monomer isolated in cryogenic argon and krypton matrices were interpreted, based on results of quantum chemical calculations. ... -
Photovoltaic solar cell properties of CdxZn1-xO films prepared by sol-gel method
(Pergamon-Elsevier Science LTD, 2009)CdxZn1-xO films have been deposited by sol-gel spin-coating method onto glass substrates. The Cd/Zn ratio in solution was changed from 0 to 1. Zinc acetate dehydrates, cadmium acetate dehydrates, 2-methoxyethanol and ... -
Physicochemical characterization of natural and Na+-, K +-, Ca2+-and Mg2+-modified clinoptilolite from gördes (Manisa, Turkey)
(2009)Physicochemical characterization of the natural solid-phase Gördes clinoptilolite and of the Na+-, K+-, Ca2+-and Mg2+-modified forms of the mineral (as obtained through ion-exchange) by batch methods, X-ray diffractometry ... -
Physicochemical Characterization of Natural and Na+-, K+-, Ca2+- and Mg2+-modified Clinoptilolite from Gordes (Manisa, Turkey)
(Multi-Science Publ Co LTD, 2009)Physicochemical characterization of the natural solid-phase Gordes clinoptilolite and of the Na+-, K+, Ca2+- and Mg2+-modified forms of the mineral (as obtained through ion-exchange) by batch methods, X-ray diffractometry ... -
Plane symmetric solutions of gravitational field equations in five dimensions
(2006)We present the effective field equations obtained from a generalized gravity action with Euler-Poincaré term and a cosmological constant in a D dimensional bulk space-time. A class of plane-symmetric solutions that describe ... -
Poly(ethylene dimethacrylate-glycidyl methacrylate) monolith as a stationary phase in dye-affinity chromatography
(American Chemical Society, 2004)Porous monolith was obtained by the bulk polymerization of ethylene dimethacrylate (EDMA) and glycidyl methacrylate (GMA) conducted in a glass tube. Poly(EDMA-GMA) monolith had a specific surface area of 98.7 m(2)/g. ... -
Poly(hydroxyethyl methacrylate-co-methacrylamidoalanine) membranes and their utilization as metal-chelate affinity adsorbents for lysozyme adsorption
(Vsp BV, 2002)Different adsorbents have been reported in the literature for protein purification. The authors have developed a novel and new approach to obtain high protein adsorption capacity utilizing a 2-methacrylamidoalanine-containing ... -
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 ... -
Polycrystalline indium-doped ZnO thin films: preparation and characterization
(Natl Inst Optoelectronics, 2008)Zinc oxide (ZnO) and indium-doped zinc oxide (20) thin films have been deposited onto glass substrates by the spray pyrolysis method. The variations of the structural, electrical and optical properties with the indium ... -
Polymer-clay nanocomposite iron traps based on intersurface ion-imprinting
(American Chemical Society, 2008)We combined the ion-imprinting technique and the binding ability of Fe3+ ions to organosmectite to create the inorgano-organo Fe3+ ions imprinted polymer-nanocomposite traps with the goal of preparing a solid phase that ... -
Polymeric amylase nanoparticles as a new semi-synthetic enzyme system for hydrolysis of starch
(Elsevier Science BV, 2013)alpha-Amylase (EC 3.2.1.1; alpha-D-1,4,glucan glucanohydrolase) catalyzes the hydrolysis of alpha-D-(1,4)-glucosidic linkages in starch, glycogen, and various malto-oligosaccharides, by releasing alpha-anomeric products. ... -
Porous poly(hydroxyethyl methacrylate) based monolith as a new adsorbent for affinity chromatography
(Elsevier Science BV, 2005)A new approach was developed to obtain an efficient and cost effective purification of IgG from human plasma. Porous monoliths were obtained by the bulk polymerization of 2-hydroxyethyl methacrylate (HEMA) and N-methacry ... -
Potentiometric sensor fabrication having 2D sarcosine memories and analytical features
(Elsevier Science BV, 2016)In this study, a simple, rapid and sensitive method based on novel molecular imprinted polymeric sensor has been developed and validated for the determination of prostate cancer metabolite biomarker. The molecularly imprinted ... -
Power Loss Mechanisms in Indium-Rich InGaN Samples
(Springer, 2016)Molecular beam epitaxy-grown InxGa1-xN/GaN samples with indium fraction x ranging between 0.44 and 0.784 were studied by pulsed current-voltage (I-V) measurements at 1.7 K. The drift velocity, electron mobility, and ... -
Power-loss mechanisms in surface passivated AlGaN/AlN/GaN heterojunctions
(Institute of Electrical and Electronics Engineers Inc., 2016)The surface passivation effect on the power-loss mechanisms in AlGaN/AlN/GaN heterostructures was investigated. The electron temperatures of hot electrons was obtained from the temperature and the applied electric field ... -
Preconcentration of copper on ion-selective imprinted polymer microbeads
(Elsevier Science BV, 2003)Molecular recognition-based separation techniques have received much attention in various fields because of their high selectivity for target molecules. Molecular imprinting has been recognized as a promising technique for ... -
Preconcentration of copper using double-imprinted polymer via solid phase extraction
(Elsevier Science BV, 2006)The aim of this study is to prepare double-imprinted polymers which can be used for the selective removal of Cu(II) ions from synthetic waters. Chitosan-succinate (CS) was choosen as the metal complexing polymer. In the ...
