Konu "Chemistry" için Kimya Bölümü Makale Koleksiyonu listeleme
Toplam kayıt 31, listelenen: 1-20
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A Combined First Principles TDDFT and Experimental Study on the Uv-Vis Spectra Properties of M(P-Nitrophenyl Azo Resorcinol)(3) Complexes (M: Fe, Cr)
(Scientific Technical Research Council Turkey-Tubitak, 2014)UV-Vis absorption data of p-nitrophenyl azo resorcinol (Magneson I) and its 2 Fe(III) and Cr(III) complexes were investigated both experimentally and theoretically. The geometries were optimized at BP86/TZVP level. The ... -
A Rare Gamma-Pyranopyrazole Skeleton: Design, One-Pot Synthesis and Computational Study
(Royal Soc Chemistry, 2016)Drawing upon a consecutive amide coupling and intramolecular cyclisation pathway, a one-pot, straight-forward synthetic route has been developed for a range of pyrazole fused gamma-pyrone derivatives. The reaction mechanism ... -
Adsorption Of Mercury(Ii) Ions By Poly(Hydroxyethylmethacryl Ate) Adsorbents With Thiazolidine Groups
(Multi Science Publ Co Ltd, 2002)A wide variety of adsorbents has been reported in the literature for heavy metal adsorption. We have recently developed a new polymer system for the removal of contaminant heavy metal ions from aquatic systems. Thus, ... -
An Efficient Water-Mediated Synthetic Route For The Alkylation of Heteroarenes
(Scientific Technical Research Council Turkey-Tubitak, 2018)An efficient synthetic route has been described for the alkylation of 1H-indole, 1H-benzimidazole, and 1H-benzotriazole. This approach features the alkylation of heteroaromatics through in situ generated enones from ketonic ... -
Boric Acid: A Simple Molecule of Physiologic, Therapeutic and Prebiotic Significance
(Walter De Gruyter Gmbh, 2015)Boric acid, H3BO3, is a weak acid and at physiological pH is in the form of an uncharged small molecule. Behaving as a Lewis acid, it forms complexes with amino-and hydroxy acids, carbohydrates, nucleotides and vitamins ... -
Caffeine Degradation in Water by Gamma Irradiation, Zonation and Zonation/Gamma Irradiation
(Inst Nuclear Chemistry Technology, 2014)Aqueous solutions of caffeine were treated with ozone and gamma irradiation. The amounts of remaining caffeine were determined after solid phase extraction as a function of absorbed dose and ozonation time. In addition to ... -
Cerium 3,5-Dinitrobenzoate Dihydrate
(Munksgaard Int Publ Ltd, 1996)In the crystal structure of the title molecule, catena-poly[[tetraaqua-1 kappa(2) O,2 kappa(2)O-tetrakis(mu-3, 5-dinitrobenzoato-O:O') dicerium]-bis(mu-3,5-dinitrobenzoato-O:O')], [Ce-2(C7H3N2O6)(6)(H2O)(4)], cerium ions ... -
Chemical Synthesis Of Thiophene-Pyrrole Copolymer
(Slovensko Kemijsko Drustvo, 2003)Oligomerization reactions of thiophene and pyrrole monomers and chemical copolymerization of these oligomers were investigated in acetonitrile solutions containing thiophene-HBF4, pyrrole-HBF4 and thiophene-pyrrole-HBF4. ... -
Comparative Study Of Microwave-Assisted And Conventional Synthesis Of Ibuprofen-Based Acyl Hydrazone Derivatives
(Scientific Technical Research Council Turkey-Tubitak, 2013)A series of potential biological active acyl hydrazone derivatives containing ibuprofen moiety (compounds 4a-4p) was synthesized by the condensation of ibuprofen hydrazone with aromatic aldehydes using conventional and ... -
Crystal Structure Of 3,3-Dichloro-N-P-Methoxyphenyl-4-(2-Phenylstryl)-2-Azetidinone
(Japan Soc Analytical Chemistry, 2001) -
Determination Of Pk(A) Values Of Some Sulfonamides By Lc And Lc-Pda Methods In Acetonitrile-Water Binary Mixtures
(Soc Brasileira Quimica, 2010)The dissociation constants of seven sulfonamide antibiotics, sulfadiazine, sulfathiazole, sulfamerazine, sulfamethazine, sulfamonomethoxine, sulfadoxine and sulfamethoxazole, have been determined in different acetonitrile-water ... -
Development Of An Amperometric Enzyme Electrode Based On Poly(O-Phenylenediamine) For The Determination Of Total Cholesterol In Serum
(Soc Brasileira Quimica, 2012)A polymer-based amperometric enzyme electrode (Pt/PoPD/ChOx) was prepared for the amperometric detection of free cholesterol. Firstly, poly(o-phenylenediamine) (PoPD) polymer film was prepared in acetonitrile-water medium ... -
Effect of Sonic Treatment on The Permeation Performance of Cellulose Acetate Membranes Modified By N-Sio2
(Scientific Technical Research Council Turkey-Tubitak, 2015)Cellulose acetate (CA) membranes were modified by nano-silicon dioxide (n-SiO2), and they were exposed to ultrasonic waves at a frequency of 35 kHz. The effect of sonication on their water sorption tendency and permeation ... -
Effects Of Alkali And Alkaline-Earth Metal Chlorides On The Atomization Of Lead And Chromium In Graphite-Furnace Atomic-Absorption Spectrometry
(Japan Soc Analytical Chemistry, 1990) -
Electroanalysis And Electrocatalysis Using Poly(Vinylferrocenium) Perchlorate Coated Electrodes
(Blackwell Science Ltd, 1997)Electroanalytical applications based on the electrochemical behavior of the redox polymer, poly(vinylferrocenium) perchlorate (PVF+ClO4-) coated as a film on Pt surfaces, are described. This chemically modified surface is ... -
Electrochemically Generated Catalyst System With Increased Specificity And Efficiency For Olefin Metathesis
(Elsevier Science Sa, 2003)A facile route for the electrochemical generation of an olefin metathesis catalyst from methylene chloride solution Of WCl6 was described. It was found that reductive, oxidative and pulse electrolysis produced the same ... -
Electron Spray Ionization Mass Spectrometry And 2D P-31 Nmr For Monitoring O-18/O-16 Isotope Exchange And Turnover Rates Of Metabolic Oligophosphates
(Springer Heidelberg, 2012)A new method was here developed for the determination of O-18-labeling ratios in metabolic oligophosphates, such as ATP, at different phosphoryl moieties (alpha-, beta-, and gamma-ATP) using sensitive and rapid electrospray ... -
Facile Synthesis Of Heteroaryl Substituted Gamma-Lactams From Nitrovinyl Arenes
(Scientific Technical Research Council Turkey-Tubitak, 2018)Aliphatic nitroalkanes with different functional groups were synthesized from the Michael addition reactions of active methylene compounds 2 and nitrovinyl arenes 1 in high yields. The synthesized Michael adducts were ... -
Immobilized Metal Ion Affinity Nanospheres For Alpha-Amylase Immobilization
(Scientific Technical Research Council Turkey-Tubitak, 2014)Immobilized metal chelate affinity chromatography (IMAC) support was practiced for alpha-amylase immobilization. Poly(hydroxyethylmethacrylate-methacryloylamidotryptophan)-Ni2+ [p(HEMA-MAT)-Ni2+] nanospheres, average ... -
Ionizing Radiation: A Versatile Tool for Nanostructuring of Polymers
(Walter De Gruyter Gmbh, 2016)Very high energies of particulate (accelerated electrons, swift heavy ions) or electromagnetic wave (gamma-, X-rays) radiation can be used to initiate free radical based reactions in solids, liquids or gases. Because of ...