Güncel Gönderiler: Kimya Bölümü
Toplam kayıt 724, listelenen: 161-180
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Langmuir-blodgett thin film characterization and vapor sensing properties of boron containing materials
(Amer Scientific Publishers, 2013)Three materials, Mesitylene-2-boronic acid (MBA), phenylboronic acid (PBA) and 1-naphthylboronic acid (NBA), were selected for fabrication of Langmuir-Blodgett (LB) thin films in order to investigate the sensing properties ... -
Anion inhibition studies of the α-carbonic anhydrase from the pathogenic bacterium Vibrio cholerae
(Pergamon - Elsevier Ltd, 2013)An alpha-carbonic anhydrase (CA, EC 4.2.1.1) has been recently cloned and characterized in the human pathogenic bacterium Vibrio cholerae, denominated VchCA (Del Prete et al. J. Med. Chem. 2012, 55, 10742). This enzyme ... -
O-Benzenedisulfonimido-sulfonamides are potent inhibitors of the tumor-associated carbonic anhydrase isoforms CA IX and CA XII
(Pergamon - Elsevier Ltd, 2013)By using phthalimido-substituted aromatic sufonamides as lead molecules, a series of new sulfonamides incorporating ortho-benzenedisulfonimide moieties have been synthesized and tested against the human (h) cytosolic ... -
Crystal structure of bis(bis{(E)-[(6-{(E)-[(4-fluorobenzyl)imino]methyl}pyridin-2-yl)methylidene](4-fluorophenyl)amine}nickel(II)) tetrabromide nonahydrate
(Int Union Crystallography, 2015)In the title complex, [Ni(C21H17F2N3)(2)](2)Br-4 center dot 9H(2)O, there are two independent metal complexes per asymmetric unit and two ligands per metal complex. The structural features (bond lengths and angles) of the ... -
Synthesis and carbonic anhydrase inhibitory properties of novel coumarin derivatives
(Informa Healthcare, 2013)A newly series of water-soluble 1-alkyl-3-(4-methyl-7, 8-dihydroxy-2H-chromen-2-one) benzimidazolium chloride salts (3a-j) were synthesized and their inhibitory effects on the activity of purified human carbonic anhydrase ... -
Determination of Iron in Edible Oil by FAAS After Extraction with a Schiff Base
(Springer, 2013)The synthesis of a new Schiff base has been achieved by condensation reaction of 1,3-diamino-2-propanol and 2-hydroxy-5-methoxy-benzaldehyde in alcoholic media. The Schiff base was characterized by elemental analysis, IR, ... -
Purification, characterization, and investigation of in vitro inhibition by metals of paraoxonase from different sheep breeds
(Taylor & Francis Ltd, 2013)Paraoxonase (PON) was purified and characterized from the Merino and Kivircik sheep's blood serums by a two-step procedure using ammonium sulphate precipitation and Sepharose-4B-L-tyrosine-1-napthylamine hydrophobic ... -
Online preconcentration system using 6-(2-thienyl)-2-pyridine carboxaldehyde functionalized Amberlite XAD-4 resin for the determination of trace elements in waters by flame atomic absorption spectrometry
(AOAC Int, 2013)An online flow injection method was developed for the determination of trace elements in waters using 6-(2-thienyl)-2-pyridinecarboxaldehyde functionalized Amber lite XAD-4 resin. The metals were eluted with 1.0 M HNO3 ... -
Surface properties of catalase and casein on kaolinite and design of experiments
(Elsevier Ltd, 2013)In this study, the adsorption and electrokinetic properties of biomolecules on kaolinite were studied as a function of incubation time, temperature, and concentrations of biomolecules, and pH of the solution. Catalase ... -
Investigation of heavy metal effects on immobilized paraoxanase by glutaraldehyde
(Informa Healthcare, 2013)Serum paraoxonase 1 (PON1) was purified from bovine serum using hydrophobic interaction chromotography on Sepharose 4B-coupled L-tyrosine 1-naphthylamine gel, and monitored by sodium dodecyl sulfate polyacrylamide gel ... -
Preparation and characterization of poly(vinylalcohol)/modified bentonite nanocomposites
(Elsevier Inc, 2013)This study describes an effective way for the preparation of well-dispersed poly(vinylalcohol) (PVA)/bentonite and poly(vinylalcohol)/modified bentonite nanocomposites with improved thermal properties. Nanocomposites were ... -
Spectrometric determination of copper in edible oil based on the extraction with N, N′-bis(5-methoxy-salicylidene)-2-hydroxy-1,3-propanediamine
(Karger, 2013)A new method for the determination of copper in edible oils was suggested. The proposed method is based on the extraction of copper with N,N'-bis(5-methoxy-salicylidene)-2-hydroxy-1,3-propanediamine (5MSHP) followed by ... -
Synthesis, spectral studies and complexation properties of N,N′-bis(5-bromo-salicylidene)-2-hydroxy-1,3-propanediamine (BSHP) and iron extraction with BSHP from oils
(Maik Nauka Publishing / Springer SBM, 2013)A Schiff base was synthesized by reaction of 1,3-diamino-2-propanol and 5-bromo-2-hydroxy benzaldehyde. The Schiff base N,N′-bis(5-bromo- salicylidene)-2-hydroxy-1,3-propanediamine (BSHP) was characterized by elemental ... -
Extraction and biological activity of total anthocyanins from sweet cherry cultivars as polyphenol oxidase inhibitors
(WFL Publisher Ltd., 2013)Total anthocyanins were extracted from six sweet cherry cultivars grown in Sakarya, Turkey, and their inhibitory effects on the diphenolase activity of banana polyphenol oxidase (PPO) were evaluated. The PPO was purified ... -
Experimental and computational studies on the 1:1 complex of anthranilic acid with p-toluenesulfonic acid
(2013)The proton-transfer compound (3) was synthesized in good yields by the reaction of anthranilic acid with p-toluenesulfonic acid. It was characterized by elemental analysis, infrared spectroscopy, and X-ray single-crystal ... -
Adsorption behavior of victoria blue dye on halloysite nanotubes from aqueous solutions
(Parlar Scientific Publications (P S P), 2015)This study examines the adsorption and electrokinetic properties of victoria blue dye (VB) onto halloysite nanotubes from aqueous solutions. The adsorption of VB was studied with batch experiments. Equilibrium was rapidly ... -
Characterisation and optical vapour sensing properties of PMMA thin films
(Elsevier Science Bv, 2009)The present article reports on the characterisation of spin coated thin films of poly (methyl methacrylate) (PMMA) for their use in organic vapour sensing application. Thin film properties of PMMA are studied by UV-visible ... -
Differential in vitro inhibition of polyphenoloxidase from a wild edible mushroom Lactarius salmonicolor
(Taylor & Francis Ltd, 2009)The polyphenol oxidase (LsPPO) from a wild edible mushroom Lactarius salmonicolor was purified using a Sepharose 4B-L-tyrosine-p-amino benzoic acid affinity column. At the optimum pH and temperature, the KM and VMax values ... -
Supramolecular lead(II) azide complex of 2,6-diacetylpyridine dihydrazone: Synthesis, molecular structure, and biological activity
(Taylor & Francis Ltd, 2009)The complex of 2,6-diacetylpyridinedihydrazone (L) with lead(II) and azide has been characterized by elemental analyses, FTIR, and single-crystal X-ray analysis. The Pb(C9H13N11) (1) crystallized in the monoclinic space ... -
Bioactive Turkish plant extracts and their constituents
(Springer, 2009)Over 200 plant extracts were prepared from different family plants of rich flora of Turkey, in a frame of international collaborative project "Bioactive Turkish Plant Constituents". The plants were chosen randomly and/or ...
