Güncel Gönderiler: Kimya Bölümü Koleksiyonu
Toplam kayıt 352, listelenen: 201-220
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Evaluation of Antioxidant Activities of 3 Edible Mushrooms: Ramaria flava (Schaef.: Fr.) Quel., Rhizopogon roseolus (Corda) TM Fries., and Russula delica Fr.
(Korean Society Food Science & Technology-Kosfost, 2010)The methanolic extracts of Ramaria flava, Rhizopogon roseolus", and Russula delica were analyzed for their antioxidant, activities in different test systems including. beta-carotene/linoleic acid, 1.1-dipheny1-2-picrylhydrazyl ... -
Kinetic analysis of reactive blue 221 adsorption on kaolinite
(Elsevier, 2010)The use of cheap, efficient and ecofriendly adsorbent has been studied as an alternative source of activated carbon for the removal of dyes from wastewater. This study has investigated the potential use of kaolinite as ... -
Chemical composition of the essential oil and hexane extract of Salvia chionantha and their antioxidant and anticholinesterase activities
(Pergamon-Elsevier Science Ltd, 2010)The essential oil and methyl ester of hexane extract of Salvia chionantha Boiss. were analysed by GC and GC-MS. Totally, 54 components were detected in the essential oil and all of them were fully determined. Germacrene D ... -
Fluorene-Carbazole Dendrimers: Synthesis, Thermal, Photophysical and Electroluminescent Device Properties
(Wiley-V C H Verlag Gmbh, 2010)Novel hole-transporting dendrimeric molecules containing dioctylfluorene, spirobi(fluorene) and spiro(cylododecane-fluorene) as the core unit and different numbers of carbazole and thiophene moieties as the peripheral ... -
Chemical Composition, Radical Scavenging and Antimicrobial Activity of the Essential Oils of Thymus boveii and Thymus hyemalis
(Acg Publications, 2011)This study was designed to examine the in vitro antimicrobial and antioxidant activities of the essential oil of T. boveii and T. hyemalis. According to the results of GC-EIMS analysis, essential oils were found rich in ... -
Electrochromic and electroluminescent devices based on a novel branched quasi-dendric fluorene-carbazole-2,5-bis(2-thienyl)-1H-pyrrole system
(Royal Soc Chemistry, 2011)We report here the synthesis of a novel branched quasi-dendric system, 9,9'-(9,9'-dihexylfluorene-2,7-diyl)bis[3,6-bis(2,5-bis(2-thienyl) pyrrol-1-yl)carbazole], (FCSNS), in four steps, followed by coating onto an ITO-coated ... -
Antioxidant activities of solvent extracts from endemic Cyclamen mirabile Hildebr. tubers and leaves
(Academic Journals, 2011)In this study, solvent extracts were prepared from different parts of Cyclamen mirabile (CM) and their antioxidant activities were evaluated. Other antioxidant properties of all extracts of CM tubers and leaves, including ... -
TiO2 supported on sepiolite: Preparation, structural and thermal characterization and catalytic behaviour in photocatalytic treatment of phenol and lignin from olive mill wastewater
(Elsevier Science Sa, 2011)This study focuses on structural and photocatalytic degradation of olive mill wastewater (OMW) of TiO2 supported sepiolite catalysts, prepared by a sol-gel method in aqueous solution. To get the TiO2/Sep nanoparticle, the ... -
A Novel High-Contrast Ratio Electrochromic Material from Spiro[cyclododecane-1,9 '-fluorene]bicarbazole
(Wiley-Blackwell, 2011)A novel electroactive spirocyclododecylfluorene monomer named 2,7-bis(carbazol-9-yl)-9,9'-spiro[cyclododecane- 1,9'-fluorene] (SFC) was synthesized and electrochemically polymerized to give a very stable multi-electrochromic ... -
Determination of chemical profile, antioxidant, DNA damage protection and antiamoebic activities of Teucrium polium and Stachys iberica
(Elsevier Science Bv, 2011)This work deals with the evaluation of in vitro antioxidant, DNA preventing and antiamoebic activities of the water extracts of Teucrium polium and Stachys iberica. In all systems, T. polium extract exhibited excellent ... -
Adsorption of ammonium from an aqueous solution by fly ash and sepiolite: Isotherm, kinetic and thermodynamic analysis
(Elsevier, 2011)This study aimed to remove ammonium from paper mill industry (4500 m(3) h(-1)) wastewater, which is discharged to sea from a plant located in the western Turkey. As adsorbent, fly ash, raw sepiolite and thermal activated ... -
Antioxidant and anticholinesterase active constituents from Micromeria cilicica by radical-scavenging activity-guided fractionation
(Elsevier Sci Ltd, 2011)From the acetone extract of Micromeria cilicica, two new (1 and 2) and five known (3-7) compounds were obtained through radical-scavenging activity guided isolation. Structures of the compounds were identified as piperitone ... -
In vitro antioxidant, anticholinesterase and antimicrobial activity studies on three Agaricus species with fatty acid compositions and iron contents: A comparative study on the three most edible mushrooms
(Pergamon-Elsevier Science Ltd, 2011)The fatty acids of Agaricus essettei, Agaricus bitorquis and Agaricus bisporus were investigated by using GC and GC-MS. The dominant fatty acids were found to be linoleic (61.82-67.29%) and palmitic (12.67-14.71%) acids ... -
Synthesis and Spectroscopic Properties of a Novel Perylenediimide Derivative
(Chem Soc Pakistan, 2011)A novel symmetric 3,4,9,10-perylenetetracarboxylic acid derivative (PDI1) dye based on thiophene donor group was synthesized and characterized by FT-IR and H-1 NMR. Cyclic Voltammetry analysis is performed to determine the ... -
Screening of the antioxidant, antimicrobial and DNA damage protection potentials of the aqueous extract of Asplenium ceterach DC
(Academic Journals, 2011)In this study, in vitro antioxidant, antimicrobial and DNA damage protection potentials of the aqueous extract of Asplenium ceterach was firstly evaluated in addition to its total phenolic and flavonoid contents. Antioxidant ... -
Highly Soluble Polyoxyethylene-Perylene diimide: Optical, Electrochemical and Photovoltaic Studies
(Chem Soc Pakistan, 2011)The synthesis and optical properties of a new dye molecule [PERKAT] were reported. The molecular structure of PERKAT was characterized by FT-IR and H-1 NMR. Optical properties of PERKAT were investigated by UV-Vis absorption, ... -
Determination of Mercury, Cadmium, Lead, Zinc, Selenium and Iron by ICP-OES in Mushroom Samples from Around Thermal Power Plant in Mugla, Turkey
(Springer, 2011)Scleroderma verrucosum, Stropharia coronilla, Lactarius deterrimus, Chroogomphus rutilus, Russula delica, Laccaria laccata, Clitocybe odora var. alba, Lyophyllum decastes, Coprinus comatus, Helvella leucomelaena, Melanoleuca ... -
Biochemistry of volatile compounds during the processing of table olives
(Current Biology Ltd, 2011) -
Metal concentration of wild edible mushrooms in Soguksu National Park in Turkey
(Elsevier Sci Ltd, 2011)Twelve varieties of fruiting bodies of wild edible mushrooms collected in 2002 from Soguksu National Park, Ankara, Turkey were analysed for Pb, Cd, Zn, Fe, Mn, Cu, Cr, Ni, and Co contents by inductively coupled plasma ... -
Biocentri-voltammetry for the enzyme assay: a model study
(Royal Soc Chemistry, 2012)This work constitutes the first biocentri-voltammetric application for acetylcholinesterase (AChE) activity assay. After the optimization of working conditions like reaction time, centrifugation speed and time and enzyme ...
