Browsing by Publisher "WILEY-V C H VERLAG GMBH"
Now showing items 1-20 of 33
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Aminopyrazole-substituted metallophthalocyanines: Preparation, aggregation behavior, and investigation of metabolic enzymes inhibition properties
(WILEY-V C H VERLAG GMBH, 2019)The synthesis, characterization, aggregation behavior, theoretical studies, and investigation of antimicrobial, antidiabetic, and anticholinergic properties of 4-(2-(5-amino-4-(4-bromophenyl)-3-methyl-1H-pyrazol-1-yl)eth ... -
Broadband staircase quantum well infrared photodetector: working in long wavelength infrared range (LWIR)
(WILEY-V C H VERLAG GMBH, 2007)We present a theoretical investigation of a staircase-like quantum well infrared photodetector (QWIP). it detects wavelength between 7.6 mu m and 13.5 mu m range at an applied electric field of F = 1.9x10(4) V/cm at 77 K. ... -
Combination of the particle size distributions of some industrial minerals measured by Andreasen pipette and sieving techniques
(WILEY-V C H VERLAG GMBH, 2007)It is known that size of the individual particles is the predominant factor affecting the behavior of particulate materials, and that the size effects become increasingly important as the particles become finer. In this ... -
Combined effects of intense laser field and applied electric field on exciton states in GaAs quantum wells: Transition from the single to double quantum well
(WILEY-V C H VERLAG GMBH, 2012)The effects of intense laser radiation on the exciton states in GaAs-Ga1xAlxAs quantum wells are studied with the inclusion of applied dc electric fields oriented along the growth direction of the system. The calculations ... -
Copper-Catalysed Allylic Substitution Using 2,8,14,20-Tetrapentylresorcinarenyl-Substituted Imidazolium Salts
(WILEY-V C H VERLAG GMBH, 2015)Unsymmetrical imidazolium salts, each having one nitrogen atom (N1) substituted by a cavity-shaped TPR group (TPR = 2,8,14,20-tetrapentylresorcinaren-5-yl), were tested in situ as proligands for the copper-catalysed allylic ... -
Crossflow ultraflitration of binary biomolecule mixture: Analysis of permeate flux, cake resistance and sieving coefficient
(WILEY-V C H VERLAG GMBH, 2007)The aim of this paper is to demonstrate the effects of hydrodynamic conditions on the permeate flux, cake resistance and sieving coefficient in a crossflow ultrafiltration process separating biomolecules of different ... -
Crystal structure of cis,cis,cis-1,2-epoxy-3,5-dibromo-4-hydroxy tetralin
(WILEY-V C H VERLAG GMBH, 2003)The title compound, C10OH8Br2O2, consists of a tetrahydronaphthalene skeleton composed of a six-membered ring A with arene oxide, monobromo and monohydroxy atoms in cis,cis,cis configuration held in a boat conformation and ... -
Determination of the breakage and wetting parameters of calcite and their correlations
(WILEY-V C H VERLAG GMBH, 2002)This paper presents the breakage and wetting parameters of calcite mineral obtained experimentally and establishes a correlation between these characteristic parameters. The breakage parameter obtained from the different ... -
A DFT Investigation on the Structure, Spectroscopy (FT-IR and NMR), Donor-Acceptor Interactions and Non-Linear Optic Properties of (+/-)-1,2-Dehydroaspidospermidine
(WILEY-V C H VERLAG GMBH, 2019)In this study, (+/-)-1,2-Dehydroaspidospermidine was analyzed by elemental analysis, H-1 and C-13 NMR, and FT-IR spectra. Also, because the starting geometry is essential to evaluate the structural, electronic, and spectral ... -
Direct growth of thick AlN layers on nanopatterned Si substrates by cantilever epitaxy
(WILEY-V C H VERLAG GMBH, 2017)AlN layers have been grown on 200 nm period of nano-patterned Si (111) substrates by cantilever epitaxy and compared with AlN layers grown by maskless lateral epitaxial overgrowth (LEO) on micropatterned Si (111) substrates. ... -
Effect of exchange-correlation potential on the plasmon dispersions in a doped symmetrical double quantum well
(WILEY-V C H VERLAG GMBH, 2007)We have calculated the plasmon dispersion relations in a doped double quantum well with and without exchange-correlation potential added to the effective potential of the system. The calculations were done for high and low ... -
Effects of additives on the activity and enantioselectivity of Candida rugosa lipase a in a biphasic medium
(WILEY-V C H VERLAG GMBH, 2007)The effects of Li+, Na+, K+, Mg2+ and Zn2+ ions on the activity and enantioselectivity of Candida rugosa lipase (CRL) were investigated in a biphasic medium composed of phosphate buffer solution (containing a metal ion ... -
Effects of ionic environments on bovine serum albumin fouling in a cross-flow ultrafiltration system
(WILEY-V C H VERLAG GMBH, 2007)The influence of electrostatic interactions on membrane fouling during the separation of bovine serum albumin (BSA) from solution was studied in a cross-flow ultratiltration system. Experiments were carried out at different ... -
Fine dry grinding of zeolite in a laboratory ball mill
(WILEY-V C H VERLAG GMBH, 2003)This paper presents the importance and usage of natural zeolites, which was recently recognized in the industry. Therefore, the grinding properties of natural zeolite were studied with the emphasis on a kinetic study in a ... -
Heavy metal removal from aqueous solution by Pseudevernia furfuracea (L.) Zopf
(WILEY-V C H VERLAG GMBH, 2007)The present study was carried out in a batch system using a lichen (Pseudevernia furfuracea (L.) Zopf) for the sorption of nickel(II) and copper(II) ions from water. Particularly, the effect of pH, contact time and temperature ... -
Intense laser field-induced nonlinear optical properties of Morse quantum well
(WILEY-V C H VERLAG GMBH, 2017)authoren This paper investigates the effects of an intense laser field and electric field on the optical properties of quantum well represented by Morse potential. The non-resonant, high-frequency intense laser effects ... -
Intersubband transitions in coupled triple-graded quantum wells under an electric field
(WILEY-V C H VERLAG GMBH, 2005)The intersubband transitions were calculated in three different shaped triple-graded quantum wells. The investigation involved changing the depth of the central well potential under an electric field applied parallel to ... -
Optical Absorption and Electroabsorption Related to Electronic and Single Dopant Transitions in Holey Elliptical GaAs Quantum Dots
(WILEY-V C H VERLAG GMBH, 2018)The electron states in a holey elliptically shaped GaAs quantum dot are investigated within the effective mass scheme with the use of the adiabatic approximation and the finite element method. The effects of a donor impurity ... -
The polarizability and the photoionization cross-section under the external fields for donor impurities in quantum well-wire
(WILEY-V C H VERLAG GMBH, 2007)In this study, we have calculated the donor impurity binding energy, donor impurity related photoionization cross-section and polarizability in symmetric GaAs/Ga1-xAlxAs quantum well-wire as a function of the impurity ... -
Radiation induced superabsorbent hydrogels. Acrylamide/itaconic acid copolymers
(WILEY-V C H VERLAG GMBH, 2001)Acrylamide/itaconic acid hydrogels in the form of rods are prepared by gamma -irradiation of ternary mixtures of acrylamide/itaconic acid/water with 2.00-5.71 kGy gamma -rays. Spectroscopic and thermal characteristic the ...