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Toplam kayıt 1058, listelenen: 60-79
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Bandgap variation of nanostructure tin doped CdO films via SILAR processing
(Elsevier Sci LTD, 2014)Five series of pure and tin-doped CdO films have been grown on amorphous glass substrates by the successive ionic layer adsorption and reaction (SILAR) method. The film's structural, morphological and optical properties ... -
Barrier lowering effect and dark current characteristics in asymmetric GaAs/AlGaAs multi quantum well structure
(Springer, 2011)In this study, we investigate dark current voltage characteristics of GaAs/AlGaAs staircase-like asymmetric multiquantum well structure at various temperatures experimentally. The activation energy is calculated by using ... -
Benzotriazole-mediated amidoalkylations of nitroalkanes, nitriles, alkynes and esters
(Arkat Usa Inc, 2007)Reactions of readily available and stable N-(alpha-amidoalkyl)benzotriazoles 1 ( derived from a variety of aliphatic, aromatic or heterocyclic aldehydes) with diverse nitroalkanes, nitriles, alkynes and esters afforded ... -
Benzotriazole-Mediated Syntheses of Depsipeptides and Oligoesters
(American Chemical Society, 2011)Reactions of O-Pg(alpha-hydroxyacyl)benzotriazoles with (a) unprotected alpha-hydroxycarboxylic acids, (b) amino acids, and (c) amines afforded, respectively, chirally pure (a) oligoesters, (b) depsidipeptides, and (c) ... -
Benzotriazole-Mediated Synthesis of Aza-peptides: En Route to an Aza-Leuenkephalin Analogue
(American Chemical Society, 2013)Novel N-(N-Pg-azadipeptidoyl)benzotriazoles 20a-e couple efficiently with alpha-amino acids 21a-e, dipeptides 22a-c, aminoxyacetic acid 23a, depsidipeptide 23b, and alpha-hydroxy-beta-phenylpropionic acid 27 yielding, ... -
Beta-transition properties for neutron-rich Sn and Te isotopes by Pyatov method
(Indian Acad Sciences, 2007)Based on Pyatov's method, the low-lying Gamow-Teller (GT) 1(+) state energies and log(ft) values for Sb-128,Sb-130,Sb-132 and I-132,I-134,I-136 isotopes have been calculated. In this method, the strength parameter of the ... -
Biaxial flexural strength and phase transformation of Ce-TZP/Al2O3 and Y-TZP core materials after thermocycling and mechanical loading
(Korean Acad Prosthodontics, 2014)PURPOSE. The purpose of the present study was to evaluate the effect of thermocycling and mechanical loading on the biaxial flexural strength and the phase transformation of one Ce-TZP/Al203and two Y-TZP core materials. ... -
Bilirubin recognition via molecularly imprinted supermacroporous cryogels
(Elsevier Science BV, 2009)Recent years molecular imprinting has received considerable attention as an excellent and simple approach to recognize small molecules and bioactive substances. The aim of this study is to prepare the bilirubin-imprinted ... -
Binding behavior of Fe3+ ions on ion-imprinted polymeric beads for analytical applications
(John Wiley & Sons Inc, 2006)We used a molecular imprinting approach to achieve specific metal binding utilizing N-methacryloyl-(L)cysteine methyl ester (MAC) as a metal-complexing ligand. MAC was synthesized using methacryloyl chloride and cysteine ... -
Binding energies and oscillator strengths of impurity states in wurtzite InGaN/GaN staggered quantum wells
(Amer Inst Physics, 2012)Using the variational methods, we have calculated the binding energies of the lowest donor states, 1s and 2p(+/-), in wurtzite InGaN/GaN staggered quantum wells. The binding energies in narrow wells are larger in magnitude ... -
Bioconjugated and Cross-Linked Bionanostructures for Bifunctional Immunohistochemical Labeling
(Cambridge University Press, 2012)The present study describes the development and use of a new bioconjugate combining targeted quantum dot labeling with an immunoperoxidase method and explores whether these bioconjugates could specifically and effectively ... -
Biomimetic catalysis of an organophosphate by molecularly surface imprinted polymers
(Elsevier Science BV, 2005)A synthetic polymer selective for paraoxon was prepared by a molecular surface imprinting technique. We have combined molecular imprinting with the ability of histidine to chelate metal ions to create active centrum of ... -
Biomimicking, metal-chelating and surface-imprinted polymers for the degradation of pesticides
(Elsevier Science BV, 2010)Molecularly imprinted polymer beads (PlBs) and non-imprinted (control) polymer beads (NIBs) have been prepared from methacryloylhistidine-Co2+, -Ni2+, and -Zn2+ monomers and applied as catalyst in the hydrolysis of paraoxon ... -
Biopolymer based ion imprinting cryogel traps for the removal of Tl(I)
(Taylor & Francis Inc, 2016)The aim of this study is to prepare supermacroporous cryogel with embedded ion imprinted polymer (IIP) particles which can be used for the selective removal of Tl(I) from aqueous solution. In the first step, Tl(I) has ... -
Biosorption kinetics and isotherm studies of Acid Red 57 by dried Cephalosporium aphidicola cells from aqueous solutions
(Elsevier Science Sa, 2006)Equilibrium, kinetics and thermodynamic studies on the removal of Acid Red 57 (AR57) by biosorption onto dried Cephalosporium aphidicola (C. aphidicola) cells have been investigated in a batch system with respect to pH, ... -
Biosorption of a reactive textile dye from aqueous solutions utilizing an agro-waste
(Elsevier Science BV, 2009)In the present study a low-cost waste biomass derived from canned food plant, was tested for its ability to remove reactive textile dye from aqueous solutions. The batch biosorption experiments were carried out at various ... -
Biosorption of a textile dye (Acid Blue 40) by cone biomass of Thuja orientalis: Estimation of equilibrium, thermodynamic and kinetic parameters
(Elsevier Sci LTD, 2008)Biosorption of Acid Blue 40 (AB40) onto cone biomass of Thuja orientalis was studied with variation in the parameters of pH, contact time, biosorbent and dye concentration and temperature to estimate the equilibrium, ... -
Biosorption of Cadmium Ions from Aqueous Solution Onto Non-living Lichen Ramalina fraxinea Biomass
(Wiley-V C H Verlag GMBH, 2009)Living lichens are known to accumulate metals across their surface. in this study, the biosorption of cadmium ions (Cd(2+)) by the lichen Ramalina fraxinea was investigated in aqueous solution in a batch system with respect ... -
Biosorption of cadmium(II), lead(II) and copper(II) with the filamentous fungus Phanerochaete chrysosporium
(Elsevier Sci LTD, 2001)The biosorption from artificial wastewaters of heavy metals (Cd(II), Pb(II) and Cu(II)) onto the dry fungal biomass of Phanerochaete chryosporium was studied in the concentration range of 5-500 mg 1(-1). The maximum ... -
Biosorption of cadmium, lead, mercury, and arsenic ions by the fungus Penicillium purpurogenum
(Marcel Dekker Inc, 2003)The potential use of the fungus Penicillium purpurogenum to remove cadmium, lead, mercury, and arsenic ions from aqueous solutions was evaluated. Biosorption of heavy metal ions reached equilibrium in 4 h. Heavy metal ions ...