Yazar "Turan, Pınar" için listeleme
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Adsorption kinetics and mechanism of maxilon blue 5G dye on sepiolite from aqueous solutions
Alkan, Mahir; Doğan, Mehmet; Turhan, Yasemin; Demirbaş, Özkan; Turan, Pınar (Elsevier Science Sa, 2008)The use of sepiolite for the removal of maxilon blue 5G from aqueous solutions at different contact times, stirring speeds, initial dye concentrations, pHs, ionic strengths and temperatures was investigated. The adsorption ... -
Characterization and adsorption properties of chemically modified sepiolite
Turhan, Yasemin; Turan, Pınar; Doğan, Mehmet; Alkan, Mahir; Namlı, Hilmi; Demirbaş, Özkan (Amer Chemical Soc, 2008)Modification of sepiolite clay has been performed using triethoxy-3-(2-imidazolin-1-yl)propylsilane in the presence of toluene solution. The modified material was characterized by FTIR spectroscopy, XRD, and simultaneous ... -
Electrokinetic and adsorption properties of sepiolite modified by 1-[3-(trimethoxysilyl)propyl]urea
Turan, Pınar; Doğan, Mehmet; Alkan, Mahir; Turhan, Yasemin; Namlı, Hilmi; Demirbaş, Özkan (Parlar Scientific Publications (P S P), 2007)Surface modification of clay minerals has become increasingly important for improving the practical applications. Modification of sepiolite clay has been performed using 1-[3-(trimethoxysilyl)propyl]urea (TMSPU) in the ... -
Electrokinetic and adsorption properties of sepiolite modified by 3-aminopropyltriethoxysilane
Demirbaş, Özkan; Alkan, Mahir; Doğan, Mehmet; Turhan, Yasemin; Namlı, Hilmi; Turan, Pınar (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 ... -
Functionalized sepiolite for heavy metal ions adsorption
Doğan, Mehmet; Turhan, Yasemin; Alkan, Mahir; Namlı, Hilmi; Turan, Pınar; Demirbaş, Özkan (Elsevier Science Bv, 2008)Surface modification of clays has become increasingly important due to the practical applications of clays such as fillers and adsorbents. The surface modification of sepiolite with [3-(2-aminoethylamino)propyl]trimethoxysilane ... -
Inhibition kinetic and mechanism of polyphenol oxidase from various sources by diethyldithiocarbamic acid
Doğan, Serap; Turan, Pınar; Doğan, Mehmet; Alkan, Mahir; Arslan, Oktay (Wiley-Blackwell, 2008)Inhibition kinetics and mechanism of polyphenol oxidases (PPO) partially purified from various sources such as Thymbra spicata L. var. spicata and Ocimum basilicum L., and of mushroom PPO bought from Sigma by diethyldithiocarbamic ... -
Inhibition kinetic of Ocimum basilicum L. polyphenol oxidase
Doğan, Serap; Turan, Pınar; Doğan, Mehmet; Alkan, Mahir; Arslan, Oktay (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, ... -
Inhibition kinetics of polyphenol oxidase by glutamic acid
Doğan, Serap; Turan, Pınar; Doğan, Mehmet; Alkan, Mahir; Arslan, Oktay (Springer, 2007)The inhibition of polyphenol oxidase (PPO) by glutamic acid was investigated. Application of different concentrations of glutamic acid to mushroom solution and Ocimum basilicum L. extract showed that glutamic acid appeared ... -
Ocimum basilicum L.'den elde edilen polifenol oksidaz enziminin saflaştırılması, kinetik ve elektroforetik özelliklerinin incelenmesi
Turan, Pınar (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2005)Bu çalışmada Ocimum basilicum L.'den ekstrakte edilen polifenol oksidazm (PFO) kısmi karakterizasyonu tanımlanmaktadır. Polifenol oksidaz, Ocimum basilicum L.'den ekstrakte edilerek amonyum sülfat çöktürmesi, diyaliz ve ... -
Partial characterization of peroxidase from the leaves of thymbra plant (Thymbra spicata L. var. spicata)
Doğan, Serap; Turan, Pınar; Doğan, Mehmet; Arslan, Oktay; Alkan, Mahir (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 ... -
Purification and characterization of Ocimum basilicum L. polyphenol oxidase
Doğan, Serap; Turan, Pınar; Doğan, Mehmet; Arslan, Oktay; Alkan, Mahir (Amer Chemical Soc,, 2005)A partial characterization of polyphenol oxidase (PPO) activity in Ocimum basilicum L. is described. PPO in O. basilicum L. was extracted and purified through (NH4)(2)SO4 precipitation, dialysis, and a Sepharose ... -
Some kinetic properties of polyphenol oxidase from Thymbra spicata L. var. spicata
Doğan, Serap; Turan, Pınar; Doğan, Mehmet (Elsevier Sci Ltd, 2006)Polyphenol oxidase (PPO)of Thymbra (Thymbra spicata L. var. spicata) was isolatedby (NH4)(2)SO4 precipitation and dialysis. A diphenolase from Thymbra plant, active against 4-methylcatechol, catechol and pyrogallol was ... -
Uptake of trivalent chromium ions from aqueous solutions using kaolinite
Turan, Pınar; Doğan, Mehmet; Alkan, Mahir (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 ... -
Variations of peroxidase activity among Salvia species
Doğan, Serap; Turan, Pınar; Doğan, Mehmet; Arslan, Oktay; Alkan, Mahir (Elsevier Sci Ltd, 2007)Peroxidase was partially purified from Salvia species such as Salvia tomentosa Miller, Salvia virgata Jacq and Salvia viridis L. using solid (NH4)(2)SO4 precipitation and dialysis methods. We investigated the effect of ...
