Yazar "Türk, Hayrettin" için listeleme
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Imprinted polymer/organo-smectite nanocomposites for paraoxon hydrolysis
Erdem, Murat; Say, Rıdvan; Ersöz, Arzu; Denizli, Adil; Türk, Hayrettin (Elsevier Science BV, 2010)We have used the imprinting technique to create a polymer/organo-smectite nanocomposite catalyst. The aim was preparing a synthetic enzyme which shows high selectivity for paraoxon hydrolysis. Paraoxon imprinted ... -
Kitosan yüzeyine ağır metal adsorpsiyonu
Özcan, Levent (Anadolu Üniversitesi, 2002)Bu çalışmada, önce ortalama 400000 molekül ağırlığa sahip kitosanın yapısal dayanıklılığını arttırmak için glutaraldehit ile çapraz bağlanmıştır daha sonra çaprazbağlı kitosanın yüzeyi Pb(II) ve Cd(II) iyonlarına karşı ... -
Latex supported manganese (III) porphyrin catalysts for oxidations of alkenes by hydrogen peroxide and tert-butyl hydroperoxide in the aqueous medium
Türk, Hayrettin (1996)Cationic polymer latexes were prepared by emulsion copolymerization of vinylbenzyl chloride and divinylbenzene followed by quaternization with trimethylamine and used as catalyst supports for 5,10,15,20-tetrakis(2, ... -
Latex supported manganese(III) porphyrin catalysts for oxidations of alkenes by hydrogen peroxide and tert-butyl hydroperoxide in the aqueous medium
Türk, Hayrettin (Scientific Technical Research Council Turkey-Tubitak, 1996)Cationic polymer latexes were prepared by emulsion copolymerization of vinylbenzyl chloride and divinylbenzene followed by quaternization with trimethylamine and used as catalyst supports for 5,10,15,20-tetrakis(2, ... -
Latexes with Hexadecyl Group on Their Quaternary Ammonium Ions as Catalytic Media for the Hydrolysis of Paraoxon by o-Iodosobenzoate
Karabacak, R. Bengü; Türk, Hayrettin (Taylor & Francis Inc, 2012)The micelle-mimetic poly[(styrylmethyl)hexadecyldimethylammonium chloride] latexes were used as media and supports for o-iodosobenzoate (IBA) catalyst in the hydrolysis of paraoxon (PO). The latex particles contained 16-67 ... -
Lignin için model bir bileşik olan 3,4-Dimetoksibenzil alkolün demir porfirin katalizörlüğünde oksidasyonu
Sezgin, İsmail Veli (Anadolu Üniversitesi, 2006)Bu çalışmada lignin için model bir bileşik olan 3,4-dimetoksibenzil alkolün 5,10, 15,20- Tetrakis(2,6-dikloro-3-sülfonatofenil)porfinatodemir(III) (FeTDCSPP) katalizörlüğünde potasyum peroksimonosülfat (2KHSO5KHSO4.K2SO4, ... -
Non-enzymatic glucose biosensor based on overoxidized polypyrrole nanofiber electrode modified with cobalt(II) phthalocyanine tetrasulfonate
Özcan, Levent; Şahin, Yücel; Türk, Hayrettin (Elsevier Advanced Technology, 2008)An enzymeless biosensor, based on electrode position of overoxidized polypyrrole nanofiber onto pencil graphite electrode and modified with cobalt(II) phthalocyanine tetrasulfonate (CoPcTS), was investigated in this study. ... -
Organofosfat ester hidrolizi için polimer destekli katalizörler hazırlanması ve hidroliz kinetiğinin incelenmesi
Erdem, Murat [tarih] (Anadolu Üniversitesi, 2007)Bu tez çalışmasında, reçine ve lateks desteklere bağlanmış o-iyodosobenzoat (İBA) katalizörü ile organofosfat ester bileşikleri olan paraoksonun (PO) ve p-nitrofenil difenil fosfatın (PNPDPP) hidrolizi araştırılmıştır. Bu ... -
Oxidation of 2,3,6-trimethylphenol with potassium peroxymonosulfate catalyzed by iron and cobalt phthalocyanine tetrasulfonates in a methanol-water mixture
Çimen, Yasemin; Türk, Hayrettin (Elsevier Science BV, 2008)Oxidation of 2,3,6-trimethylphenol (TMP) with potassium peroxymonosulfate (KHSO5) catalyzed by iron phthalocyanine tetrasulfonate ([FePcTS]) in an 8-to-1 methanol-water mixture resulted in 43.2-100.0% conversion of TMP and ... -
Oxidation of 2,6-di-tert-butylphenol with tert-butyl hydroperoxide catalyzed by iron phthalocyanine tetrasulfonate in a methanol-water mixture
Çimen, Yasemin; Türk, Hayrettin (Elsevier Science BV, 2007)The oxidation of 2,6-di-tert-butylphenol (DTBP) with tert-butyl hydroperoxide (Bu'OOH) catalyzed by iron phthalocyanine tetrasulfonate ([FePcTS]) in a 8-to-1 methanol-water mixture resulted with about 70-80% conversion of ... -
Oxidation of 2,6-di-tert-butylphenol with tert-butyl hydroperoxide catalyzed by iron porphyrin tetrasulfonate, iron porphyrin tetracarboxylate and their supported analogues in a water-methanol mixture
Mutlu, Yasemin Çimen; Semerci, Tugce Günay; Türk, Hayrettin (Elsevier Science BV, 2019)In this study, two water-soluble iron porphyrins bearing sulfonate and carboxylate functionalities (FePTS and FePTC, respectively) and their supported analogues were used as catalysts for the oxidation of 2,6-di-tert-butylphenol ... -
Oxidation of 2,6-di-tert-butylphenol with tert-butylhydroperoxide catalyzed by cobalt(II) phthalocyanine tetrasulfonate in a methanol-water mixture and formation of an unusual product 4,4 '-dihydroxy-3,3 ',5,5 '-tetra-tert-butylbiphenyl
Türk, Hayrettin; Çimen, Yasemin (Elsevier Science BV, 2005)The oxidation of 2,6-di-tert-butylphenol (DTBP) with tert-butylhydroperoxide (Bu'OOH) catalyzed by cobalt(II) phthalocyanine tetrasulfonate ([CoPcTS](4-)) in a 4:1 methanol-water mixture gave predominantly the coupled ... -
Oxidation of Thymol and Carvacrol to Thymoquinone with KHSO5 Catalyzed by Iron Phthalocyanine Tetrasulfonate in a Methanol-Water Mixture
Günay, Tugce; Çimen, Yasemin; Karabacak, R. Bengü; Türk, Hayrettin (Springer, 2016)The oxidation of thymol and carvacrol to thymoquinone with potassium peroxymonosulfate (KHSO5) catalyzed by iron phthalocyanine tetrasulfonate (FePcTS) in a methanol (4.0 mL)-water (0.5 mL) mixture has been carried out. ... -
Poli (vinil klorür) polimerinin özellikleri, katkı maddeleri ve uygulamaları
Ertuğrul, Tamer (Anadolu Üniversitesi, 1992)Plastik malzemesi olarak bilinen sentetik polimerler, son 40-50 yılda büyük gelişme göstererek, günümüzde hacim olarak metallerle eşit oranda kullanılmaya başlanmıştır. Bunu başlıca nedenleri; bu malzemelerin diğer malzemelere ... -
Preparation of cationic latexes with different length alkyl groups on their quaternary as supports for IBA catalyst ammonium ions and their use in the hydrolysis of PNPDPP
Erdem, Murat; Türk, Hayrettin (Elsevier Science BV, 2008)In this study, four cationic latexes containing n-hexadecyl, n-octyl, or a methyl group as one of the alkyls on their quaternary ammonium ions were synthesized and used as supports for o-iodosobenzoate (IBA) catalyst in ... -
Preparation of PS Colloids with DMA and MMA Comonomers and Suitability of P(S/DMA) for Colloidal Silica Deposition
Karabacak, R. Bengü; Türk, Hayrettin (Taylor & Francis Inc, 2012)There is a lack of investigation on the effects of hydrophilic comonomer and pH on the particle size of functionalized polystyrene colloids. In this study, polystyrene (PS) colloids were prepared via emulsifier-free emulsion ... -
Reaktif organobentonit katkıların sert poliüretan köpüğün bazı performans özellikleri üzerine etkisi
Erdem, Murat; Ortaç, Kübra; Erdem, Bilge; Türk, Hayrettin (2017)Bu çalışmada; bentonit, amin ve hidroksil fonksiyonelliğine sahip bileşikler ile modifiye edilmiş ve eldeedilen organobentonitler sert poliüretan köpük nanokompozit (SPKN) sentezinde katkı olarakkullanılmışlardır. Poliüretan ... -
Removal of Copper(Ii) Ions From Aqueous Solution By a Lactic Acid Bacterium
Yılmaz, M.; Tay, Turgay; Kıvanç, Merih; Türk, Hayrettin (Brazilian Soc Chemical Eng, 2010)Enterococcus faecium, a lactic acid bacterium (LAB), was evaluated for its ability to remove copper(II) ions from water. The effects of the pH, contact time, initial concentration of copper(II) ions, and temperature on the ... -
Structural stabilities of N-permethylated tetracations of meso-tetrakis(4-pyridyl)porphyrin, meso-tetrakis[4-(dimethylamino)phenyl]porphyrin, and their manganese(III) complexes toward hydrogen peroxide, tert-butylhydroperoxide, and sodium hypochlorite
Türk, Hayrettin; Erdem, Murat (Soc Porphyrins & Phthalocyanines, 2004)The degradation rate constants of the tetracations 5,10,15,20-tetrakis(N-methylpyridinium-4-yl)porphyrin and 5,10,15,20-tetrakis(N,N,N-trimethylanilinium-4-yl)porphyrin as well as their manganese(III) complexes toward the ... -
Structural stabilities of sulfonated manganese tetramesitylporphyrin and its beta-brominated analogue toward NaOCl, H2O2 and (CH3)(3)COOH
Türk, Hayrettin; Tay, Turgay; Berber, Hüseyin (Elsevier Science BV, 2000)This article gives the degradation rate constants of meso-tetrakis(3,5-disulfonatomesityl)porphinatomanganese(III) X (where X = H2O and/or OH- depending on pH) (MnTMSP) and its beta-brominated analogue (MnTMSPBr8) toward ...