Güncel Gönderiler: Kimya Bölümü
Toplam kayıt 726, listelenen: 321-340
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Biosorption of zinc ions onto corylus avellana L.
(Taylor & Francis Ltd, 2015)Hazelnut is one of the most important agricultural products of Turkey. North coasts of Turkey are so suitable to grow hazelnut that approximately 80% of the total hazelnut production in the world is supplied from this ... -
Molecular structure of aurothioglucose: a comprehensive computational study
(Pergamon-Elsevier Science Ltd, 2015)In order to investigate the molecular structure of aurothioglucose (ATG), six stable, well-known conformations of glucopyranose (Gp) have been computed and compared with Gp, thioglucopyranose (TGp), monomeric aurothioglucose ... -
Purification of holstein bull semen paraoxonase 1 (pon1) by hydrophobic interaction chromatography and investigation of its inhibition kinetics by heavy metals
(Humana Press Inc, 2014)In this study, paraoxonase 1 (PON1; EC 3.1.8.1) was purified from bull semen, and some characteristics of the enzyme were investigated. In vitro inhibition effect of some heavy metals, including Cu2+, Mn2+, Cd2+, Zn2+, ... -
Adsorption kinetics of a cationic dye from wastewater
(Taylor & Francis Ltd, 2015)The adsorption kinetics and thermodynamics of Maxilon Blue 5G, a cationic textile dye, onto perlite were investigated in aqueous solution in a batch system for determining the effect of contact time, stirring speed, initial ... -
The synthesis, Na+ binding properties of new coumarin-crown ethers
(Springer, 2014)o-Dihydroxy-3-(methylphenyl)-chromenones (coumarins; 3a-3c) were synthesized from trimethoxy-benzaldehydes through a reaction with the corresponding methylphenyl-acrylonitrile in pyridine center dot HCl and then H3O+. ... -
In vitro inhibition of cytosolic carbonic anhydrases I and II by some new dihydroxycoumarin compounds
(Taylor & Francis Ltd, 2008)A new series of 6, 7-dihydroxy-3-(methylphenyl) chromenones, including three new derivatives, i.e. 6,7-dihydroxy-3-(2-methylphenyl)-2H-chromen-2-one (OPC); 6,7-dihydroxy-3-(3-methylphenyl)-2H-chromen-2-one (MPC); ... -
Differential in vitro inhibition effects of some antibiotics on tumor associated carbonic anhydrase isozymes of hCA-IX and hCA-XII
(Informa Healthcare, 2008)Hypoxia is a common characteristic of locally advanced solid tumors that has been associated with diminished therapeutic response and malignant progression. Human carbonic anhydrase (hCA) hCA IX and XII isozymes are tumor ... -
Effects of some lamiaceae species methanol extracts on potential mycotoxin producer fungi
(Taylor & Francis Inc, 2008)In this study, antifungal effects of some Lamiaceae species (Thymbra spicata L. Satureja hortensis L., Origanum onites L., O. vulgare L. subsp. hirtum (Link) Iestswaart, O. vulgare L. subsp vulgare, O. minutiflorum O. ... -
Synthesis and extraction studies of some new anionic dye extractors
(Taylor & Francis Inc, 2008)A new series of dodecyl derivatives of non-cyclic and cyclic ethers, as the extractors have been synthesized by imination, reduction of imines and cyclization steps, and the structures were identified by FT-IR, (1)H-NMR, ... -
Electrokinetic and adsorption properties of sepiolite modified by 3-aminopropyltriethoxysilane
(Elsevier Science Bv, 2007)Surface modification of clay minerals has become increasingly important for improving the practical applications of clays such as fillers and adsorbents. An investigation was carried out on the surface modification of ... -
Essential oil compositions of some species of Cyclotrichium and antimicrobial activities
(Springer, 2007)In this study we report on the essential oil composition of six freshly collected plant species, Cyclotrichium glabrescens (Boiss. & Kotschy ex Rech. F.) Leblebici, C. longiflorum Leblebici, C. stamineum, C. niveum, C. ... -
Experimental and computational study on [2,6-bis(3,5-dimethyl-N-pyrazolyl)pyridine]-(dithiocyanato)mercury(II)
(Pergamon-Elsevier Science Ltd, 2007)The mercury complex of 2,6-bis(3,5-dimethyl-N-pyrazolyl)pyridine (bdmpp) has been synthesized and characterized by X-ray diffraction, IR, UV-Vis and TGA-DTA methods. The structure consists of units in which the mercury ... -
Inhibition kinetic of Ocimum basilicum L. polyphenol oxidase
(Walter De Gruyter Gmbh, 2007)The paper reports the inhibition model of the purified polyphenol oxidase (PPO) activity from basil (Ocimum basilicum L.) with L-cysteine, ethylenediaminetetraacetic acid (EDTA), ascorbic acid, gallic acid, D,L-dithiothreitol, ... -
Intermediate products in solid-state reactions of gadolinium oxide and ammonium dihydrogen phosphate
(Wiley-V C H Verlag Gmbh, 2007)The solid-state reactions of Gd2O3 with NH4H2PO4 using various molar ratios (3:6, 2:8, 1:6 and 1:8) of the reactants were investigated at different temperatures (350-1100 degrees C) to observe the intermediate compounds. ... -
Synthesis, crystal structure and biological activity of the nickel(II) complex of 2,6-diacetylpyridinedihydrazone
(Springer, 2007)A complex of Ni-II with 2,6-diacetylpyridinedihydrazone (L) towards nickel(II) has been prepared and characterized by means of elemental analyses, IR, electronic spectra and single crystal X-ray analyses. [NiL2](NO3) was ... -
Synthesis, crystal structure and biological activity of two new heterotrinuclear thiocyanato bridged Cu(II)-Hg(II)-Cu(II) complexes
(Pergamon-Elsevier Science Ltd, 2007)The mononuclear copper(II) complexes CuL1 and CuL2 have been prepared with two tetradentate Schiff base ligands, abbr. (LH2)-H-1=N,N '-bis(salicylidene)-1,3-diaminopropane and (LH2)-H-2 = N,N '-bis(salicylidene)-1,4-butanediamine, ... -
Nitrito complexes of nickel(II), copper(II) and cobalt(II) with tridentate pyrazole based planer ligand: Structure, spectroscopy, thermal properties and imitative nuclease activity
(Elsevier Science SA, 2015)Functional documentation of metal complexes are essential for various aspects including gene function/regulation and drug design for lethal diseases like cancer (Sigel and Martin (1982), Peters et al. (1997), Martin and ... -
Uptake of trivalent chromium ions from aqueous solutions using kaolinite
(Elsevier Science Bv, 2007)The sorption of Cr(III) from aqueous solutions on kaolinite has been studied by a batch technique. We have investigated how solution pH, ionic strength and temperature affect this process. The adsorbed amount of chromium ... -
4-Functionalized 1,3-diarylpyrazoles bearing benzenesulfonamide moiety as selective potent inhibitors of the tumor associated carbonic anhydrase isoforms IX and XII
(Elsevier France-Editions Scientifiques Medicales Elsevie, 2014)A library of 4-functionalized 1,3-diarylpyrazoles (3a-3h, 5a-5g and 6a-6g) was designed, synthesized and evaluated against four human carbonic anhydrase (CA, EC 4.2.1.1) isozymes representing two cytosolic isozymes hCA I ... -
Partial characterization of peroxidase from the leaves of thymbra plant (Thymbra spicata L. var. spicata)
(Springer, 2007)Peroxidase (EC 1.11.1.7; donor: hydrogen-peroxide oxidoreductase) catalyses the oxidation of various electron donor substrates (e.g. phenols, aromatic amines). In this study, the peroxidase was extracted from Thymbra spicata ...
