Güncel Gönderiler: Kimya-Makale Koleksiyonu
Toplam kayıt 678, listelenen: 581-600
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Preparation and characterization of sepiolite-poly(ethyl methacrylate) and poly(2-hydroxyethyl methacrylate) nanocomposites
(John Wiley, 2009)Poly(ethyl methacrylate) (PEMA) and poly(2-hydroxyethyl methacrylate) (PHEMA) nanocomposites with sepiolite in pristine and silylated form were prepared using the solution intercalation method and characterized by the ... -
In vitro inhibition effect of some chalcones on erythrocyte carbonic anhydrase i and II
(Informa Healthcare, 2013)In this study, 4'-(phenylurenyl/thiourenyl) chalcones (14-25) were prepared from 4'-(phenylurenyl/thiourenyl)acetophenones and benzaldehyde derivatives by Claisen-Schmidt condensation. In vitro inhibition effects of chalcone ... -
Optical characterization of an N,N-Dicyclohexyl-3,4:9,10-Perylene bis(Dicarboximide) langmuir-blodgett film for the determination of volatile organic compounds
(Taylor & Francis Inc, 2016)Langmuir-Blodgett thin-film fabrication and gas-sensing properties of a novel N,N-dicyclohexyl-3,4:9,10-perylene bis(dicarboximide) material are reported. Surface plasmon resonance was used to study the deposition process. ... -
Designing a heterotrinuclear Cu-II-Ni-II-Cu-II complex from a mononuclear Cu-II Schiff base precursor with dicyanamide as a coligand: synthesis, crystal structure, thermal and photoluminescence properties
(Int Union Crystallography, 2016)Schiff bases are considered 'versatile ligands' in coordination chemistry. The design of polynuclear complexes has become of interest due to their facile preparations and varied synthetic, structural and magnetic properties. ... -
Substituent effects on hydrogen bonding of aromatic amide-carboxylate
(Elsevier B.V., 2016)N-(p-benzoyl)-anthranilic acid (BAA) derivatives have been synthesized with different substituents (X: Br, Cl, OCH3, CH3), and their crystal structures have been analyzed in order to understand the variations in their ... -
Simultaneous preconcentration of copper and cadmium by dispersive liquid Liquid microextraction using N,N '-bis (2-Hydroxy-5-Bromo-Benzy1)1,2 diaminopropane and their determination by flame atomic absorption spectrometry
(AOAC International, 2016)In the present study, the simultaneous preconcentration of copper and cadmium based on dispersive liquid liquid microextraction as a prior step to their determination using flame atomic absorption spectrometry was developed. ... -
In vitro inhibition effects on erythrocyte carbonic anhydrase I and II and structure-activity relationships of cumarylthiazole derivatives
(Maik Nauka, 2016)Coumarin and heterocyclic compounds incorporating urea have clinical applications as antiepileptics, diuretics, and antiglaucoma agents due to their carbonic anhydrase inhibitory properties. We investigated inhibition of ... -
Cr and Co doped Cs5Bi(MoO4)(4): Microwave assisted synthesis, characterization and specification of optical properties
(Elsevier GMBH, 2017)Cesium bismuth molybdate, Cs5Bi(MoO4)(4), is synthesized via microwave assisted synthesis (MAS) with doping element Cr or Co. The synthesis procedure is achieved at 850W powers in a domestic oven for a short time as 15 ... -
A system of b-c-n-o: synthesis, characterization and determination of unit cell parameters
(Polish Acad Sciences Inst Physics, 2017)Boron-rich solids are good candidates to apply instead of diamond. Boron has a unique crystal structure and compounds of it are resistant to heat treatment. These structures have light density, high hardness, and chemically ... -
Synthesis and biological evaluation of new 4-thiazolidinone derivatives as carbonic anhydrase inhibitors
(Bentham Science Publ Ltd, 2017)Background: The catalytically active site of CA enzyme is Zn (II) bound hydroxide ion part which acts as a strong nucleophile (at neutral pH) on the CO2 molecule bound in a hydrophobic pocket nearby. We designed a series ... -
An alternative purification method for human serum paraoxonase 1 and its interaction with methidathion
(Taylor & Francis Ltd, 2017)In this study, an alternative purification method for human Paraoxonase 1 (hPON1) enzyme was developed using two-step procedures, namely ammonium sulphate precipitation and Sepharose-4B-L-tyrosine-1-aminoanthracene hydrophobic ... -
A DFT-based QSAR study on inhibition of human dihydrofolate reductase
(Elsevier Science Inc, 2016)Diaminopyrimidine derivatives are frequently used as inhibitors of human dihydrofolate reductase, for example in treatment of patients whose immune system are affected by human immunodeficiency virus. Forty-seven dicyclic ... -
Synthesis and carbonic anhydrase inhibitory properties of new spiroindoline-substituted sulphonamide compounds
(Taylor & Francis Ltd, 2017)New spiroindoline-substituted sulphonamide compounds were synthesised and their inhibitory effects on the activity of purified human carbonic anhydrase I and II were evaluated. Human carbonic anhydrase isoenzymes (hCA-I ... -
Impact of carbazole p-lactam derivatives on paraoxonase-1 activity
(Parlar Scientific Publications, 2017)Paraoxonase 1 (PON1) is an antioxidant enzyme associated with high-density lipoproteins (HDL). PON1 has the ability to inhibit lipid peroxides and to hydrolyze a wide variety of substrates such as esters, thioesters, ... -
Metabolic profile and biological activity of sideritis brevibracteata p. h. davis endemic to Turkey
(Taylor & Francis Ltd, 2017)Essential oil and phenolic compositions of Sideritis brevibracteata P.H. Davis, which is an endemic species in Turkey and commonly used as a herbal tea for some diseases, were determined by GC-MS and Liquid chromatography-mass ... -
On magnetic curves in the 3-dimensional heisenberg group
(Inst Mathematics & Mechanics, 2017)We consider normal magnetic curves in 3-dimensional Heisenberg group H-3 : We prove that gamma is a normal magnetic curve in H-3 if and only if it is a geodesic obtained as an integral curve of e(3) or a non-Legendre slant ... -
In vitro effects of some pesticides on glutathione-s transferase activity
(Parlar Scientific Publications, 2017)Human populations have been constantly exposed to pesticides due to their extensive use and presence in food and drinking water. Therefore, the aim of this study is to compare the inhibitory effect of three commonly used ... -
Determination and validation method of molybdenum by adsorptive catalytic stripping voltammetry at lead film electrode
(Acg Publications, 2017)A new, selective, sensitive and accurate method for determination of molybdenum by adsorptive catalytic stripping voltammetry was described. The method is based on catalytic reduction of adsorbed Mo(VI)ARS complex onto the ... -
Re(Y, Er, Gd, La, Nd, Sm, Dy)-doped SrBPO5 colorful phosphors: Definition of structural unit cell parameters and optical properties
(Elsevier GMBH, 2017)A scientific study on the effect of different ions on strontium borophosphates have been investigated via structural, luminescent and optical properties of using X-ray diffraction (XRD), Rietveld analysis, vacuum ultraviolet ... -
The adsorption of methyl violet on activated carbon from aqueous solutions
(Parlar Scientific Publications, 2017)In this study, the activated carbon was prepared from the pomegranate shell by chemical activation, characterized using BET, FTIR-ATR, XRD, SEM and DTA/TG and investigated the adsorption properties. The adsorption process ...