Güncel Gönderiler: Fen Fakültesi
Toplam kayıt 2379, listelenen: 1761-1780
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Crosslinked Polyphosphazene Nanospheres with Anticancer Quercetin: Synthesis, Spectroscopic, Thermal Properties, and Controlled Drug Release
(Springer, 2018)In this study, novel cross-linked inorganic-organic hybrid polyphosphazene nanospheres were synthesized via self-assembly precipitation polymerization between hexachlorocyclotriphosphazene (HCCP) as a crosslinker molecule ... -
Characterization of natural- and organo-bentonite by XRD, SEM, FT-IR and thermal analysis techniques and its adsorption behaviour in aqueous solutions
(Mineralogical Soc, 2012)In this study, natural bentonite was modified with hexadecyltrimethylammonium (HDTMA) bromide to obtain organobentonite (HDTMA-bentonite). Bentonite and HDTMA-bentonite were then characterized using XRD, XRF, SEM, FT-IR, ... -
Structural characterization of dodecyltrimethylammonium (DTMA) bromide modified sepiolite and its adsorption isotherm studies
(Elsevier Science BV, 2012)In this study, dodecyltrimethylammonium (DTMA) bromide was used to modify natural sepiolite via an ion exchange reaction to form DTMA-sepiolite. Sepiolite and DTMA-sepiolite were then characterized by using Brunauer-Emmett-Teller ... -
Biosorption of lead(II) ions onto waste biomass of Phaseolus vulgaris L.: estimation of the equilibrium, kinetic and thermodynamic parameters
(Elsevier Science BV, 2009)Biosorption of lead(II) ions onto Phaseolus vulgaris L. waste was investigated with the variation in the parameters of pH, contact time, biosorbent and lead(II) concentrations and temperatures. The nature of the possible ... -
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 ... -
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 ... -
Determination of DNA in Certain Salvia Species by Capillary Gel Electrophoresis
(Taylor & Francis Inc, 2015)This article presents a newly developed capillary gel electrophoresis (CGE) using dynamic coating with hydroxyethylcellulose methodology for the separation of fourteen standard DNA fragments and determination of RAPD-PCR ... -
Evaluation on dye removal capability of didodecyldimethylammonium-bentonite from aqueous solutions
(Taylor & Francis Inc, 2017)The removal efficiency of Reactive Blue 19 (RB19) by using surfactant-modified bentonite (MB) from aqueous solutions, and also textile wastewater samples was examined. Natural bentonite (NB) was firstly modified with ... -
Propham mineralization in aqueous medium by anodic oxidation using boron-doped diamond anode: Influence of experimental parameters on degradation kinetics and mineralization efficiency
(Pergamon-Elsevier Science LTD, 2008)This study aims the removal of a carbamate herbicide, propham, from aqueous solution by direct electrochemical advanced oxidation process using a boron-doped diamond (BDD) anode. This electrode produces large quantities ... -
Removal of Acid Orange 7 from water by electrochemically generated Fenton's reagent
(Elsevier Science BV, 2009)The removal of azo dye Acid Orange 7 (AO7) from water was investigated by the electro-Fenton technology using electrogenerated hydroxyl radicals ((OH)-O-center dot) which leads to the oxidative degradation of AO7 LIP to ... -
Electrochemical preparation of a molecularly imprinted polypyrrole-modified pencil graphite electrode for determination of ascorbic acid
(Molecular Diversity Preservation Int, 2008)A molecularly imprinted polymer (MIP) polypyrrole (PPy)-based film was fabricated for the determination of ascorbic acid. The film was prepared by incorporation of a template molecule (ascorbic acid) during the ... -
HPLC fluorescence determination of ochratoxin A utilizing a double internal standard and its application to poultry feed
(Scientific Technical Research Council Turkey-Tubitak, 2015)A validated liquid chromatography method employing a fluorescence detector for the determination of ochratoxin A (OTA) was developed with double internal standard and it was applied to ten different poultry feeds. The ... -
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 ... -
Oxidation of 2,6-di-tert-butylphenol with tert-butyl hydroperoxide catalyzed by iron porphyrin tetrasulfonate, iron porphyrin tetracarboxylate and their supported analogues in a water-methanol mixture
(Elsevier Science BV, 2019)In this study, two water-soluble iron porphyrins bearing sulfonate and carboxylate functionalities (FePTS and FePTC, respectively) and their supported analogues were used as catalysts for the oxidation of 2,6-di-tert-butylphenol ... -
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 ... -
Using heavy atom rare gas matrix to control the reactivity of 4-methoxybenzaldehyde: A comparison with benzaldehyde
(Amer Inst Physics, 2012)Different patterns of photochemical behavior were observed for 4-methoxybenzaldehyde (p-anisaldehyde) isolated in xenon and in argon matrices. Monomers of the compound isolated in solid Xe decarbonylate upon middle ultraviolet ... -
Matrix isolation infrared spectroscopic study of 4-Pyridinecarboxaldehyde and of its UV-induced photochemistry
(Pergamon-Elsevier Science LTD, 2017)The structure, infrared spectrum, barrier to internal rotation, and photochemistry of 4-pyridinecarboxaldehyde (4PCA) were studied by low-temperature (10 K) matrix isolation infrared spectroscopy and quantum chemical ... -
Thermal and Photoinduced Control of Relative Populations of 4-Methoxybenzaldehyde (p-Anisaldehyde) Conformers
(American Chemical Society, 2010)Two almost isoenergetic conformers of 4-methoxybenzaldehyde (p-anisaldehyde), O-trans and O-cis, are nearly equally populated in gas phase at room temperature. The existence of these two conformers of similar energy makes ... -
Photochemistry of six- and five-membered-ring alpha,beta-unsaturated lactones in cryogenic matrices
(Wiley, 2008)The photochemistry of representative six and five-membered alpha,beta-unsaturated lactones [alpha-pyrone and some of its derivatives, including coumarin and 3-acetamidocoumarin, 2(SH)-furanone] isolated in cryogenic inert ... -
FTIR investigation of the O-H center dot center dot center dot Xe interaction in simple carboxylic acids in solid xenon
(Amer Inst Physics, 2012)The O-H stretching region of the infrared spectra of a series of carboxylic acids in Xe matrices was investigated as a function of temperature. Upon increasing the temperature, the vO-H band site-components undergo reversible ...