Yazar "Türk, Hayrettin" için listeleme
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Antimicrobial activity of extracts of chemical races of the lichen Pseudevernia furfuracea and their physodic acid, chloroatranorin, atranorin, and olivetoric acid constituents
Türk, Hayrettin; Yılmaz, Meral; Tay, Turgay; Türk, Ayşen Özdemir; Kıvanç, Merih (Verlag Z Naturforsch, 2006)The antimicrobial activity and the MIC values of the ethanol, chloroform, diethyl ether, and acetone extracts of the chemical races of Pseudevernia furfuracea (var. furfuracea and var. ceratea) and their physodic acid, ... -
The Antimicrobial Activity of Extracts of the Lichen Cetraria aculeata and Its Protolichesterinic Acid Constituent
In this study, the antimicrobial activity of the acetone, diethyl ether and ethanol extracts of the lichen Cetraria aculeata has been investigated. The extracts were tested against twelve bacteria and eight fungi and found ... -
The antimicrobial activity of extracts of the lichen Hypogymnia tubulosa and its 3-hydroxyphysodic acid constituent
Yılmaz, M; Tay, Turgay; Kıvanç, Merih; Türk, Hayrettin; Türk, Ayşen Özdemir (Verlag Z Naturforsch, 2005)The antimicrobial activity and the MIC values of the diethyl ether, acetone, chloroform, petroleum ether, and ethanol extracts of the lichen Hypogymnia tubulosa and its 3-hydroxyphysodic acid constituent have been investigated ... -
Antimicrobial activity of extracts of the lichen Xanthoparmelia pokornyi and its gyrophoric and stenosporic acid constituents
Candan, Mehmet; Yılmaz, Meral; Tay, Turgay; Kıvanç, Merih; Türk, Hayrettin (Walter De Gruyter GMBH, 2006)The antimicrobial activity of the diethyl ether, acetone, chloroform, petroleum ether, and ethanol extracts of the lichen Xanthoparmelia pokomyi and its gyrophoric acid and stenosporic acid constituents has been screened ... -
Bazı oksidantlara karşı sülfolanmış mangan (III) tetramesitilporfirin ile B-pirolitik konumları bromlanmış türevinin yapı kararlılıklarının incelenmesi
Tay, Turgay (Anadolu Üniversitesi, 1998)Bu çalışmada, 5,10,15,20-tetrakis(2,4,6,-trimetil-3,5-disülfonatofenil porfinatomangan(III) klorür sodyum tuzu (mangan(III) tetramesitilporfirin, MnTMSP) ile 2,3,7,8,12,13,17,18-oktabromo-5,10, 15,20-tetrakis(2,4,6-trimetil-3,5 ... -
Bazı porfirinlerin ve mangan porfirinlerin yapı kararlılıklarının incelenmesi
Erdem, Murat [tarih] (Anadolu Üniversitesi, 2001)Bu çalışmada, 5,10,15,20-tetrakis(N-metil-4-piridil)porfirin tetraiyodür (H²T4MPyP), 5,10,15,20-tetrakis(4-trimetilamonyumfenil)porfirin tetraiyodür (H²T4TMAFP), 5,10,15,20-tetrakis(4-hidroksifenil)porfirin (H²T4HFP), ... -
Biomimetic catalysis of an organophosphate by molecularly surface imprinted polymers
Say, Rıdvan; Erdem, M; Ersöz, Arzu; Türk, Hayrettin; Denizli, Adil (Elsevier Science BV, 2005)A synthetic polymer selective for paraoxon was prepared by a molecular surface imprinting technique. We have combined molecular imprinting with the ability of histidine to chelate metal ions to create active centrum of ... -
Biomimicking, metal-chelating and surface-imprinted polymers for the degradation of pesticides
Erdem, Murat; Say, Rıdvan; Ersöz, Arzu; Denizli, Adil; Türk, Hayrettin (Elsevier Science BV, 2010)Molecularly imprinted polymer beads (PlBs) and non-imprinted (control) polymer beads (NIBs) have been prepared from methacryloylhistidine-Co2+, -Ni2+, and -Zn2+ monomers and applied as catalyst in the hydrolysis of paraoxon ... -
Biosorption of Cadmium Ions from Aqueous Solution Onto Non-living Lichen Ramalina fraxinea Biomass
Tay, Turgay; Candan, Mehmet; Erdem, Murat; Çimen, Yasemin; Türk, Hayrettin (Wiley-V C H Verlag GMBH, 2009)Living lichens are known to accumulate metals across their surface. in this study, the biosorption of cadmium ions (Cd(2+)) by the lichen Ramalina fraxinea was investigated in aqueous solution in a batch system with respect ... -
Catalysis of autoxidation of 2,6-di-tert-butylphenol in water by metallophthalocyanine tetrasulfonates bound to polyelectrolyte supports
Kopkallı-Yavuz, Handan; Türk, Hayrettin (Scientific Technical Research Council Turkey, 1996)2,6-and 2,10-Ionenes and soluble poly(vinylbenzyl)trimethylammonium chloride polyelectrolytes were synthesized and used as catalyst supports for cobalt-, iron- and copper-phthalocyanine tetrasulfonates on the autoxidation ... -
Effect of reactive organobentonite additives to the some performance properties of rigid polyurethane foam
Erdem, Murat; Ortac, Kübra; Erdem, Bilge; Türk, Hayrettin (Gazi University, Fac Engineering Architecture, 2017)In this study, bentonite was modified with the compounds which have amine and hydroxyl functionality and obtained organobentonites were used as additive for the synthesis of rigid polyurethane foam nanocomposites (SPKN). ... -
Electrochemical Determination of Bisphenol A with Pencil Graphite Electrodes Modified with Co(II), Ni(II), Cu(II) and Fe(II) Phthalocyaninetetrasulfonates
Özcan, Levent; Altuntaş, Muhammet; Buyuksagis, Ayşel; Türk, Hayrettin; Yurdakal, Sedat (Japan Soc Analytical Chemistry, 2016)Pencil graphite electrodes modified with Co(II), Ni(II), Cu(II) and Fe(II) metallophthalocyaninetetrasulfonates (MePcTSs) were investigated for an electrochemical determination of bisphenol A (BPA). The electrochemical ... -
Emulsifier-free cationic latexes based on vinylbenzyl chloride and 2-(dimethylamino)ethyl methacrylate with adjusted hydrophilic-hydrophobic properties
Türk, Hayrettin; Karabacak, R. Bengü; Erdem, Murat (Wiley-Blackwell, 2015)Functional emulsifier-free cationic latexes based on styrenic monomer vinylbenzyl chloride (VBC) and acrylic monomer 2-(dimethylamino)ethyl methacrylate (DMA) were successfully prepared with dual quaternary ammonium ions ... -
Enhanced catalytic activity of o-iodosobenzoate in poly[(styrylmethyl)hexadecyldimethylammonium chloride] latexes for the hydrolysis of p-nitrophenyl diphenyl phosphate
Karabacak, R. Bengü; Erdem, Murat; Türk, Hayrettin (Elsevier Science BV, 2011)Six 5.0 mol% crosslinked poly[(styrylmethyl)hexadecyldimethylammonium chloride] latexes containing 8-67% quaternization were synthesized via two-stage process and used as supports for o-iodosobenzoate (IBA) catalyst in the ... -
Epoxidation of Styrene with Aqueous Hypochlorite Catalyzed by a Manganese (III) Porphyrin Bound to Colloidal Anion-Exchange Particles
Türk, Hayrettin; Ford, Warren T. (1991)Epoxidation of styrene in aqueous sodium hypochlorite solution was catalyzed by the tetrasodium salt of 5,10,15,20-tetrakis(2,6-dichloro-3-sulfonatophenyl)porphinatomanganese(III) chloride (1). Manganese porphyrin 1 was ... -
Evaluation of the antimicrobial activity of the acetone extract of the lichen Ramalina farinacea and its (+)-usnic acid, norstictic acid, and protocetraric acid constituents
Tay, Turgay; Türk, Ayşen Özdemir; Yılmaz, Meral; Türk, Hayrettin; Kıvanç, Merih (Walter De Gruyter GMBH, 2004)The acetone extract of the lichen Ramalina farinacea and its (+)-usnic acid constituent showed antimicrobial activity against Bacillus subtilis, Listeria monocytogenes, Proteus vulgaris, Staphylococcus aureus, Streptococcus ... -
Facile two-step preparation of polystyrene/anatase TiO2 core/shell colloidal particles and their potential use as an oxidation photocatalyst
Karabacak, R. Bengü; Erdem, Murat; Yurdakal, Sedat; Çimen, Yasemin; Türk, Hayrettin (Elsevier Science Sa, 2014)Titania and materials containing titania have received considerable attention due to their technological importance in many areas. In this study, anatase crystalline titania (TiO2) coated polystyrene (PS) colloidal particles ... -
Facile, efficient, and environmentally friendly alpha- and aromatic regioselective chlorination of toluene using KHSO5 and KCl under catalyst-free conditions
Çimen, Yasemin; Akyüz, Seçkin; Türk, Hayrettin (Royal Soc Chemistry, 2015)Toluene was subjected to room-temperature chlorination with the KHSO5-KCl system in organic solvent-water mixtures. In a typical reaction, the amounts of toluene, KHSO5, and KCl were 1.0, 5.0 and 7.5 millimoles, respectively. ... -
Fenol türü bazı model bileşiklerin homojen ve heterojen kobalt-demir ve bakır-ftalosiyonin tatrasülfonat katalizörleri içeren ortamlardaki oksidasyonu
Çimen, Yasemin (Anadolu Üniversitesi, 2007)Bu tez çalışmasında demir-ftalosiyanin tetrasülfonat ([FePcTS]), kobaltftalosiyanin tetrasülfonat ([CoPcTS]) ve bakır-ftalosiyanin tetrasülfonat ([CuPcTS]) katalizörleri tarafından katalizlenen bazı fenol model bileşiklerin ...
