Yayın tarihi için Kimya Bölümü listeleme
Toplam kayıt 107, listelenen: 41-60
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Separation of catechins and methylxanthines in tea samples by capillary electrochromatography
(2009)In this paper, the simultaneous separation of several polyphenols such as (+)-catechin, (-)-epicatechin, (-)-epigallocatechin, theophylline, caffeine in green and black teas by capillary electrochromatography (CEC) was ... -
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 ... -
Glycerol Partial Oxidation in Aqueous Solution by Home Prepared TiO2 Photocatalyst
(Ict Press, 2010)… -
Selective preconcentration of Fe3+ using ion-imprinted thermosensitive particles
(2010)Molecular imprinting is a form of template polymerization which has been used to produce artificial binding sites in porous polymer particles that exhibit selective rebinding of the imprint or template molecules used in ... -
Kinetics of 4-Methoxybenzyl Alcohol Oxidation in Aqueous Solution in a Fixed Bed Photocatalytic Reactor
(American Chemical Society, 2010)The photocatalytic oxidation of 4-methoxybenzyl alcohol in water was performed in a fixed bed continuous annular reactor by using a home-prepared TiO2 catalyst supported on Pyrex glass beads. The investigation was aimed ... -
Selective solid-phase extraction of Cd(II) using double imprinting strategy
(2010)Molecular imprinting technology is a strategy for producing chemically selective binding sites, which recognize a particular molecule, in a macroporous polymer matrix. Molecular recognition-based separation techniques have ... -
Partial photocatalytic oxidation of glycerol in TiO2 water suspensions
(Elsevier Science BV, 2010)The photo-oxidation of glycerol in aqueous suspensions containing commercial and home-prepared TiO2 samples in the anatase, rutile or anatase-rutile polymorphic phases was investigated by using two different batch ... -
Determination of oxalate ion in bayer liquor using electrochemical method
(2011)The Bayer process can be summarized as the digestion of bauxite with caustic liquor and the subsequent precipitation of hydrated alumina [1]. Most bauxite contains organic compounds in various amounts. Depending upon the ... -
Rapid direct spectrophotometric determination of zirconium(IV) in alloys with 2,2/,3,4-tetrahydroxy-3/-sulpho-5/-carboxyazobenzene reagent
(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 ... -
A novel nanoprotein particle synthesis: Nanolipase
(Elsevier Sci LTD, 2011)Lipases (triacylglycerol acylhydrolases; E.C. 3.1.1.3) constitute a group of enzymes defined as carboxylesterases that catalyse the hydrolysis (and synthesis) of long-chain acylglycerols at the lipid-water interface. In ... -
Synthesis, structural characterization, and benzyl alcohol oxidation activity of mononuclear manganese(II) complex with 2,2'-bipyridine: $[Mn(bipy)_2(ClO_4)_2]$
(2012)A manganese(II) complex of 2,2'-bipyridine (bipy) was synthesized and characterized by X-ray diffraction, IR, and UV-vis spectroscopy. The activity of the complex was tested for oxidation of benzyl alcohols using t-BuOOH ... -
Mutual recognition of TNT using antibodies polymeric shell having CdS
(Elsevier Science BV, 2012)Click chemistry is the latest strategy called upon in the development of state of the art exponents of bioconjugation. In this study, we have proposed a covalent and photosensitive crosslinking conjugation of the antibody ... -
Synthesis, characterization, and luminescence of zinc(II) and cadmium(II) coordination complexes: [Zn(phen)2(CH3COO)](ClO4), [Zn(bpy)2(ClO4)](ClO4), and [Cd(phen)2(NO3)2]
(2013)Three metal complexes, [Zn(phen) 2 (CH3 COO)](ClO4) (1), [Zn(bpy) 2 (ClO4)](ClO4) (2), and [Cd(phen) 2 (NO3)2 ] (3) (phen = 1,10-phenanthroline, bpy = 2,2{Abedini, 2005 #222} -bipyridine), were synthesized and their ... -
3-[(5-Chloro-2-hydroxybenzylidene)amino]-2-sulfanylidene-1, 3-thiazolidin-4-one
(2013)In the title compound, C10H7ClN2O2S2, the mean plane of the thioxothiazolidine ring [maximum deviation = 0.032 (2) Å] is inclined to the benzene ring by 12.25 (4)°. There is a strong intramolecular O - H...N hydrogen bond ... -
(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-Heptadekaflorodesill) (Metil) Sulfan Sübstitüe Titanyum Ftalosiyanin Türevle Rinin Sentezi ve Karakterizasyonu ?
(2013)Simetrik sübstitüent içeren ftalosiyanin türevleri susuz titanyum metal tuzunun 4- (3,3,4;4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadekaflorodesiltiyo)ftalonitril (3) ile reaksiyonundan sentezlendi. Sentezlenen ftalonitril türevi ... -
(NHC)-Pd(II) complexes with hydrophilic nitrogen ligands: catalytic properties in neat water
(2013)The cleavage reactions of the dimers [(NHC)PdX2 ] 2 with hydrophilic N-donors, L, a?orded the mixedligand complexes of the type trans-[(NHC)LPdX2 ] (X = Cl or Br; NHC = 1,3-dialkylbenzimidazol-2-ylidene (BIm) or ... -
Synthesis and antimicrobial investigation of some 5H-pyridazino[4,5-b] indoles
(2013)Synthesis and in vitro antimicrobial activities are reported for a series of 1,3,5-substituted 4-oxo-3,4-dihydro- 5H -pyridazino[4,5- b]indole derivatives. Corresponding pyridazino[4,5- b]indoles were prepared from ethyl ... -
A semi-empirical and density functional theory study of 2,2',3,4-tetrahydroxy-3'-sulpho azobenzene derivatives and their zirconium complexes
(2013)In this study, certain theoretical properties of three tetrahydroxyazo derivatives and their zirconium complexes, such as stability, reactivity, geometry and energy have been calculated by MOPAC2009 with the PM6 method and ... -
Polyvalent integrin antagonist-decorated superparamagnetic iron oxide nanoparticles for triggering apoptosis in human leukemia cancer cells
(Springer, 2013)Integrin family members are the main mediators of cell adhesion to the extracellular matrix and active as intra- and extracellular signaling molecules in a variety of processes. They bind to their ligands by interacting ...