Başlık için Fen Fakültesi listeleme
Toplam kayıt 2379, listelenen: 1755-1774
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A quantitative method of photoadsorption determination for irradiated catalyst in liquid-solid system
(Elsevier Science BV, 2009)A method for determining the amount of substrate adsorbed onto the catalyst surface in liquid-solid photocatalytic system under reaction conditions (photoadsorption) is proposed. The method has been applied to the ... -
Quantum chemical and experimental studies on the mechanism of alkylation of beta-dicarbonyl compounds. The synthesis of five and six membered heterocyclic spiro derivatives
(MDPI, 2004)The alkylation of beta-dicarbonyl compounds in a K2CO3/DMSO system was found to afford O- and C-alkylated derivatives, depending on the type of the P-dicarbonyl compound involved. The alkyl derivatives obtained were used ... -
Quantum chemical studies on some 1,2,4-triarylsubstituted imidazoles
(Elsevier Science BV, 2002)The geometries, proton affinities and thermodynamic properties of some 1,2,4-triarylsubstituted imidazole derivatives were calculated with full geometry optimization using AM1 and PM3 methods in aqueous phase. A possible ... -
A quantum chemical study on structure of 1,2-bis(diphenylphosphinoyl)ethane and hydroquinone cocrystal
(Elsevier Science BV, 2005)The cocrystal of 1,2-Bis(diphenylphosphinoyl)ethane (DPPEO) with hydroquinone (HQ) (1: 1) were studied theoretically with MINDO/3, MNDO, PM3 and AM I semi-empirical methods to elucidate its structure. The bond lengths and ... -
A quantum chemical study on structure of 1,2-bis(diphenylphosphinoyl)ethane and phenol cocrystal
(Elsevier Science BV, 2004)The cocrystal of 1,2-bis(diphenylphosphinoyl)ethane (DPPEO) with phenol (1: 1) were studied theoretically with AM1, PM3, MNDO and MINDO/3 semi-empirical methods to elucidate its structure. The bond lengths and angles from ... -
A quantum chemical study on structures of (+)-(R)-2,2-bis(diphenylphosphinoyl)-1,1 '-binaphthyl and its hydroquinone complex
(Elsevier Science BV, 2005)The (+)-(R)-2,2-bis(diphenylphosphinoyl)-1,1'-binaphthyl ((+)-(R)-BINAPO) and its cocrystal with hydroquinone (HQ) (1:1) were studied theoretically with AM1, PM3, MNDO and MINDO/3 semi-empirical methods to elucidate their ... -
The quantum confined Stark effect in silicon nanocrystals
(IOP Publishing LTD, 2008)The quantum confined Stark effect (QCSE) in Si nanocrystals embedded in a SiO(2) matrix is demonstrated by photoluminescence (PL) spectroscopy at room and cryogenic temperatures. It is shown that the PL peak position shifts ... -
Quantum dot nanocrystals having guanosine imprinted nanoshell for DNA recognition
(Elsevier Science BV, 2008)Molecular imprinted polymers (MIPs) as a recognition element for sensors are increasingly of interest and MIP nanoparticles have started to appear in the literature. In this study, we have proposed a novel thiol ligand-capping ... -
Quantum lifetimes and momentum relaxation of electrons and holes in Ga0.7In0.3N0.015As0.985/GaAs quantum wells
(Taylor & Francis LTD, 2011)Electronic transport in n-and p-type modulation-doped Ga0.7In0.3N0.015As0.985/GaAs quantum wells are investigated using magneto-transport measurements in the temperature range between T = 1.8 and 32K and at magnetic fields ... -
Quartz crystal microbalance based nanosensor for lysozyme detection with lysozyme imprinted nanoparticles
(Elsevier Advanced Technology, 2010)The aim of this study is to prepare quartz crystal microbalance (QCM) nanosensor for the real-time detection of lysozyme. In the first part, the lysozyme imprinted (MIP) nanoparticles were prepared by mini-emulsion ... -
Quasi-Sasakian Structures on 5-Dimensional Nilpotent Lie Algebras
(Ankara University, Fac Sci, 2019)In this study, we examine the existence of quasi-Sasakian structures on nilpotent Lie algebras of dimension five. In addition, we give some results about left invariant quasi-Sasakian structures on Lie groups of dimension ... -
The quaternionic energy conservation equation for acoustic
(Slovak Acad Sciences Inst Physics, 2003)After introducing the quaternions and its algebra, the equations of the linear acoustics are defined. The local conservation equation for energy of the linear acoustics using quaternions and a quaternionic first-order ... -
Quercetin and Cisplatin combined treatment altered cell cycle and mitogen activated protein kinase expressions in malignant mesotelioma cells
(Bmc, 2016)Background: Malignant mesothelioma is a locally aggressive and highly lethal neoplasm of pleural, peritoneal and pericardial mesothelial cells without successful therapy. Previously, we reported that Quercetin in combination ... -
Quinolone-Hydroxyquinoline Tautomerism in Quinolone 3-Esters. Preserving the 4-Oxoquinoline Structure To Retain Antimalarial Activity
(American Chemical Society, 2015)Recent publications report in vitro activity of quinolone 3-esters against the bc(1) protein complex of Plasmodium falciparum and the parasite. Docking studies performed in silica at the yeast Q(o) Site established a key ... -
R2n'de Kendine Duallik, Kalibrasyon ve Normlu Dualite Kavramları Üzerine
(2017)Bu çalışmada, temel olarak çift boyutlu Öklidyen uzayda, kendine duallik, kalibrasyon ve normlu dualite kavramları arasındaki ilişkiler incelenmiştir. Kuvvetli kendine dual 2-form ve kuvvetli 2-kalibrasyon kavramları ... -
Radial basis functions method for numerical solution of the modified equal width equation
(Taylor & Francis LTD, 2010)The numerical solution of the modified equal width equation is investigated by using meshless method based on collocation with the well-known radial basis functions. Single solitary wave motion, two solitary waves interaction ... -
Radon concentration measurements at a university campus in Turkey
(2016)In this study we measured radon (222Rn) concentrations in offices at the Meselik campus of EskisehirOsmangazi University to estimate the effective dose of222Rn and its progeny for office occupants. The measurementswere ... -
Random search of stable member in a matrix polytope
(Elsevier Science BV, 2016)Given a matrix polytope we consider the existence problem of a stable member in it. We suggest an algorithm in which part of uncertainty parameters is chosen randomly. Applications to affine families and 3 x 3 interval ... -
Rapid and high quality DNA isolation from Origanum onites for RAPD and ISSR analysis
(Verlag Z Naturforsch, 2008)Origanum unites is an economically important medicinal plant with high essential oil content. Lack of an appropriate DNA isolation procedure is a limiting factor for any molecular study of this plant. We have used a protocol ... -
Rapid direct spectrophotometric determination of zirconium(IV) in alloys with 2,2 ',3,4-tetrahydroxy-3 '-sulpho-5 '-carboxyazobenzene reagent
(Natl Inst Science Communication-Niscair, 2011)In this study, 2, 2, 3, 4-tetrahydroxy-3'-sulpho-5'-carboxyazobenzene (tetrahydroxyazon SC) has been synthesized for the first time and used for direct spectrophotometric determination of zirconium(IV). Tetrahydroxyazon ...
