Güncel Gönderiler: Kimya-Makale Koleksiyonu
Toplam kayıt 678, listelenen: 641-660
-
The effects of ex vivo ozone treatment on human erythrocyte carbonic anhydrase enzyme
(Taylor & Francis Ltd, 2018)Ozone autohemotherapy is used in the treatment of some diseases. Carbonic anhydrases (CAs, EC 4.2.1.1) are metalloenzymes and play a role in homeostatic mechanisms. The aim of this study was to investigate the effects of ... -
Development of a preconcentration method for indomethacin in natural waters using dispersive liquid-liquid microextraction based on solidification of floating organic drop technique
(Iwa Publishing, 2018)A new dispersive liquid-liquid microextraction method based on the solidification of a floating organic drop was developed for the preconcentration of indomethacin in natural waters followed by ultraviolet-visible (UV-Vis) ... -
Synthesis and optical characterization of novel carbazole schiff bases
(Elsevier Science BV, 2018)In this study, newly substituted carbazole derivatives of S1; (Z)-4-((9-isobutyl-9H-carbazol-3-ylimino) methyl)phenol, S2; (Z)-9-butyl- N-(2,3,4-trimethoxybenzylidine)-9H-carbazol-3-amine, S3; (Z)-4-((9-octyl-9H-carbazol ... -
Metathesis microwave synthesis, rietveld refinement and optical studies of metal orthovanadates, mvo4 (m = cr, fe, co, ni, cu)
(Natl Inst Optoelectronics, 2018)Metathesis microwave synthesis (MMS) of metal orthovanadates (MNO4), M= Cr, Fe, Co, Ni, Cu) are realized with byproduct NaCl having high lattice energy driven in the forward direction of the MMS reaction based on ionic ... -
Effects of some adsorbents on the pre-purification of taxol (anticancer drug) from hazelnut nutshells
(Asian Network Scientific Information-Ansinet, 2018)Background and Objective: The most important pharmaceutically active substance in plant-derived chemotherapy drugs is paclitaxel. Taxane compounds such as paclitaxel, cephalomannine, baccatin III and 10-Deacetylbaccatin ... -
The determination of the carbonic anhydrases activators in vitro effect of mixed donor crown ethers
(Wiley, 2018)Carbonic anhydrases (CAs) play an important function in various physiological and pathological processes. Therefore, many researchers work in this field in order to design and synthesize new drugs. Both inhibitors and ... -
Biological properties of pmma/nhap and pmma/3-apt-nhap nanocomposites
(Taylor & Francis As, 2018)In this study, nanocomposite-implant materials with the filler materials, which are nanohydroxyapatite (nHAp) and nHAp modified by [3-(2-aminoethilamino)propyl]trimethoxysilane, using poly(methylmethacrylate) as a matrix ... -
Synthesis, characterization and environmental application of polymethyl methacrylate/glass fiber composite
(Parlar Scientific Publications (P S P), 2018)In the present study, polymethyl methacrylate PMMA/glass fiber (GF) composite was synthesized by melting method, characterized by using different techniques like Fourier Transform Infrared Attenuated Total Reflection ... -
Assessment of element partitioning in dairy products: application of three stage sequential fractionation scheme and metal determination by ıcp-oes
(Bentham Science Publ Ltd, 2018)Background: Availability of minerals in foodstuff depends on their physicochemical form. This study was conducted to determine the concentration and partitioning of Fe, Cu, Zn, Mn, Mg, Ca, Cr, Ni, Mo, Al, Ba, Pb, Sn, V, ... -
Elemental distribution and fatty acid profile of raw goat milk: effect of dietary olive pellets on milk nutritional value
(Bentham Science Publ Ltd, 2018)Background: Milk is one of the important drinks for human and serves many nutrients including trace elements required for growth. In terms of prediction of element availability in food, fractionation analysis is helpful ... -
Synthesis, characterization and their antimicrobial activities of boron oxide/poly(acrylic acid) nanocomposites: thermal and antimicrobial properties
(De Gruyter Poland Sp Zoo, 2018)Boron oxide (B2O3)/Poly(acrylic acid) (PAA) nanocomposites were synthesized by solution intercalation method, and characterized by Fourier transform infrared spectroscopy (FTIR-ATR), transmission electron microscopy (TEM), ... -
Synthesis, biological activity and structure-activity relationship of novel diphenylurea derivatives containing tetrahydroquinoline as carbonic anhydrase I and II inhibitors
(Wiley-V C H Verlag GMBH, 2018)A series of novel tetrahydroquinoline derivatives containing urea moiety was synthesized and their invitro inhibitory effects on the human carbonic anhydrase isoenzymes (hCA-I and hCA-II) were evaluated by using the CO2 ... -
Zinc and nickel determination in liquid edible oils by FAAS after the extraction
(Wiley-Blackwell, 2012)A new method has been developed for the extraction and determination of zinc and nickel in liquid edible oils by using the complexation of these metals with [N,N'-bis(salicylidene)-2,2'-dimethyl-1,3-propanediaminato]. ... -
In vitro inhibition effect of some dihydroxy coumarin compounds on purified human serum paraoxonase 1 (pon1)
(Humana Press Inc, 2012)Human serum paraoxonase 1 (PON1; EC 3.1.8.1) is a high-density lipoprotein associated, calcium-dependent enzyme that hydrolyses aromatic esters, organophosphates and lactones and can protect the low-density lipoprotein ... -
Theoretical study on the structures and stabilities of silacyclopropylidenoids
(Springer/Plenum Publishers, 2012)Isomeric structures, energies, and properties of silacyclopropylidenoids, C2H4SiMX (where M = Li or Na and X = F, Cl or Br), were studied ab initio at the HF and MP2 levels of theory using the 6-31+G(d,p) and aug-cc-pVTZ ... -
Magnetic characterizations of cobalt oxide nanoparticles
(Springer, 2012)Cobalt oxide (Co3O4) nanoparticles were synthesized by a novel microwave-assisted decomposition reaction of the cobalt nitrate hexahydrate, Co(NO3)(2)a <...6H(2)O. While most of the traditional methods for the preparation ... -
DNA cloning, characterization, and inhibition studies of an alpha-carbonic anhydrase from the pathogenic bacterium vibrio cholerae
(Amer Chemical Soc, 2012)We have cloned, purified, and characterized an alpha-carbonic anhydrase (CA, EC 4.2.1.1) from the human pathogenic bacterium Vibrio cholerae, VchCA. The new enzyme has significant catalytic activity, and an inhibition study ... -
Determination of ni and zn in an oil matrix using schiff base-assisted extraction followed by a flame atomic absorption spectrometer: a simple strategy to determine ni and zn
(Wiley, 2018)In the present work, a new and simple Schiff base-assisted extraction strategy for Ni and Zn from an edible oil matrix with subsequent determination using a flame atomic absorption spectrometer was suggested. According to ... -
Quantitative determination of some phenolics in Origanum laevigatum Boiss. extracts via validated LC-MS/MS method and antioxidant activity
(ACG Publications, 2018)In this study, quantities of some phenolics; caffeic acid, (E)-ferulic acid, rosmarinic acid, chlorogenic acid, fumaric acid, gallic acid, pyrogallol and vanillin in the directly methanol (M1), chloroform (C), acetone (Ac) ... -
Synthesis and characterization of poly(acrylic acid)/organo-modified nanohydroxyapatite nanocomposites: thermal, optical and biocompatibility properties
(De Gruyter, 2018)The aim of this study was to investigate the structural, thermal, optical and biocompatibility properties of poly(acrylic acid)(PAA)/organo-modified nanohydroxyapatite (OM-nHAp) nanocomposites synthesized by solvent ...
