Başlık için Fizik Bölümü listeleme
Toplam kayıt 1178, listelenen: 903-922
-
Separation and purification of hyaluronic acid by embedded glucuronic acid imprinted polymers into cryogel
(Elsevier Science BV, 2013)Hyaluronic acid (HA) has been used in many applications such as pharmaceutical, clinical and cosmetics, so its separation and purification is very important. In this study, firstly D-glucuronic acid imprinted polymers ... -
A series of silver(I) coordination polymers with saccarinate and flexible aliphatic diamines
(Academic Press Inc Elsevier Science, 2017)A series of Ag(I) complexes with aliphatic diamines having a different chain length (NH2-(CH2)(n)-NH2, n=4-9), with the formulas, [Ag(mu-sac)(mu-db)(0.5)](n) (1), {[Ag-4(sac)(4)(mu-dp)2]center dot 4H(2)O}(n) (2), ... -
Shortcuts to adiabaticity for growing condensates
(IOP Publishing LTD, 2012)We investigate fast frictionless expansion for growing Bose-Einstein condensates described by the Gross-Pitaevskii gain equation. We show that fast frictionless expansion can be generalized to a condensate continuously ... -
SiC Substrate Effects on Electron Transport in the Epitaxial Graphene Layer
(Korean Inst Metals Materials, 2014)Hall effect measurements on epitaxial graphene (EG) on SiC substrate have been carried out as a function of temperature. The mobility and concentration of electrons within the two-dimensional electron gas (2DEG) at the EG ... -
Silan based paraoxon memories onto QCM electrodes
(Elsevier Science Inc, 2013)In this study, a novel quartz crystal microbalance (QCM) based on the modification of paraoxonimprinted polymer onto a QCM with a high selectivity and sensitivity has been developed for the determination of paraoxon. The ... -
A Simple, Mild, and Practical Method for the Esterification and Thioesterification of Anthranilic Acid Utilizing N-(2-Aminobenzoyl)benzotriazole
(Georg Thieme Verlag Kg, 2013)A convenient and efficient method for the preparation of anthranilic esters and anthranilic thioesters has been developed by the treatment of N-(2-aminobenzoyl)benzotriazoles with alcohols and thiols in the presence of ... -
Simultaneous depletion of immunoglobulin G and albumin from human plasma using novel monolithic cryogel columns
(Elsevier Science BV, 2013)In this study, we aimed to develop an alternative matrix able to deplete the albumin (Alb) and immunoglobulin G (IgG) from blood plasma simultaneously to prepare plasma samples for large-scale applications of blood-related ... -
Single-oscillator model and determination of optical constants of spray pyrolyzed amorphous SnO2 thin films
(Springer, 2007)Amorphous SnO2 thin films have been deposited using different spraying times via the spray pyrolysis method. The structure of the films was analyzed by X-ray diffraction and the results obtained showed that the structure ... -
Sn doping effects on the electro-optical properties of sol gel derived transparent ZnO films
(Elsevier Science BV, 2010)Undoped and tin (Sn) doped ZnO films have been deposited by sol gel spin coating method. The Sn/Zn nominal volume ratio was 1, 3 and 5% in the solution. The effect of Sn incorporation on structural and electro-optical ... -
SO2 adsorption on acid-treated bentonites from Turkey
(Mineralogical Soc, 2011)The adsorption of sulphur dioxide (SO2) on two bentonites from Unye, Turkey (Kavaktepe and Yemislitepe deposits - denoted below as BK and BY) and on forms treated with 1 and 2 M HCl solutions was investigated. The bentonite ... -
Sol-gel derived Li-Mg co-doped ZnO films: Preparation and characterization via XRD, XPS, FESEM
(Elsevier Science Sa, 2012)Li-Mg co-doped ZnO films have been deposited onto glass substrates by sol-gel spin coating method. The structural and morphological properties of the films were characterized by X-ray diffractometer (XRD), X-ray photo-electron ... -
Sol-gel derived nanostructure undoped and cobalt doped ZnO: Structural, optical and electrical studies
(Elsevier Science Sa, 2013)Nanostructure ZnO and ZnO:Co films were deposited onto borofloat glass substrates by the sol-gel method using spin coating technique. X-ray diffraction (XRD) study was used to investigate the effects of cobalt dopant on ... -
Sol-gel derived zinc oxide films: Effect of deposition parameters on structure, microstructure and photoluminescence properties
(Academic Press LTD- Elsevier Science LTD, 2011)ZnO films were prepared by sol-gel method and deposited onto glass substrates with spin coating system. XRD patterns and FESEM analysis were used to investigate the effect of deposition parameters such as spin speed and ... -
Solid-phase microextraction and ion chromatographic analysis of anions based on polypyrrole electrode
(John Wiley & Sons Inc, 2008)The polypyrrole (PPy) film was used for the selective extraction of trace levels of chloride, nitrite, and nitrate ions by solid phase micro-extraction (SPME). PPy film was electrochemically prepared from aqueous solutions ... -
Solubility of an acid dye in supercritical carbon dioxide by ion-pairing with dodecyltrimethylammonium bromide
(Elsevier Science BV, 2006)In this study, solubility of Acid Red 57 (AR57), which is an anionic dye, in supercritical CO2 was investigated using an ion-pairing with dodecyltrimethylammonium (DTMA) bromide. The measurements of AR57 and AR57-DTMA in ... -
Solvatochromic behavior and electronic structure of some symmetric 2-aminophenol Schiff base derivatives
(Elsevier Science BV, 2014)The solvatochromic behavior and electronic structure of four symmetric 2-aininophenol Schiff base derivatives were investigated by using electronic absorption spectra in fourteen different spectroscopic grade solvents. The ... -
Solvatochromic effect studies on the absorption spectra of 4-((2-ethylphenyl)diazenyl)benzene-1,3-diol and 2-((2-ethylphenyl)diazenyl)benzene-1,3,5-triol molecules
(Pergamon-Elsevier Science LTD, 2009)The electronic absorption spectra of 4-((2-ethylphenyl)diazenyl)benzene-1,3-diol and 2((2-ethylphenyl)diazenyl)benzene-1,3,5-triol molecules in the nine different solvent variable electronic characters have been recorded. ... -
Solvatochromism and electronic structure of some symmetric Schiff base derivatives
(Elsevier Science BV, 2015)In this present work, we have investigated electronic absorption spectra of three symmetric Schiff bases in fourteen spectroscopic grade solvents which have different polarities. The electronic transitions have been evaluated ... -
Some DC and AC Properties of Copper-Loaded Polypropylene Films
(1987)Thin film Cu-polypropylene-Cu sandwich structures are prepared by thermal vacuum deposition of these materials onto glass substrates. Polypropylene in some of the samples is also loaded with Cu of varying amount. ... -
Some physical properties of Cd1-xSnxS films used as window layer in heterojunction solar cells
(Pergamon-Elsevier Science LTD, 2009)CdS has been proved to be an ideal material for use as the window layer for heterojunction solar cells especially with n-CdS/p-CdTe. CdS, Cd0.9Sn0.1S and Cd0.8Sn0.2S films were deposited onto glass substrates at 300 degrees ...