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Activated Carbons From Grape Seeds By Chemical Activation With Potassium Carbonate And Potassium Hydroxide
Okman, İrem; Karagöz, Selhan; Tay, Turgay; Erdem, Murat (Elsevier, 2014)Activated carbons were produced from grape seed using either potassium carbonate (K2CO3) or potassium hydroxide (KOH). The carbonization experiments were accomplished at 600 and 800 degrees C. The effects of the experimental ... -
Activated carbons from waste biomass by sulfuric acid activation and their use on methylene blue adsorption
Karagöz, Selhan; Tay, Turgay; Uçar, Suat; Erdem, Murat (Elsevier Sci LTD, 2008)Preparation of the activated carbons from sunflower oil cake by sulphuric acid activation with different impregnation ratios was carried out. Laboratory prepared activated carbons were used as adsorbents for the removal ... -
Adsorption of Methylene Blue From Aqueous Solution on Activated Carbon Produced From Soybean Oil Cake By Koh Activation
Tay, Turgay; Erdem, Murat; Ceylan, Burak; Karagöz, Selhan (North Carolina State University Dept Wood & Paper Sci, 2012)This study presents the adsorption behavior of the methylene blue (MB) dye onto the activated carbon produced from soybean oil cake by chemical activation with KOH at 800 degrees C. The adsorption isotherms, kinetic models, ... -
Antimicrobial and Antioxidant Activities of Extracts and Lichen Acids Obtained From Some Umbilicaria Species From Central Anatolia, Turkey
Bucukoğlu, Tuba Zeytun; Albayrak, Sevil; Halıcı, M. Gökhan; Tay, Turgay (Wiley-Blackwell, 2013)In this study, the methanolic extracts and lichens acids obtained from six Umbilicaria species were tested for their antimicrobial activity (against three Gram-positive bacteria, five Gram-negative bacteria and two yeasts ... -
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 ... -
Design and Preparation of Nano-Lignin Peroxidase (NanoLiP) by Protein Block Copolymerization Approach
Tay, Turgay; Köse, Ender; Keçili, Rüstem; Say, Rıdvan (MDPI AG, 2016)This study describes the preparation of nanoprotein particles having lignin peroxidase (LiP) using a photosensitive microemulsion polymerization technique. The protein-based nano block polymer was synthesized by cross-linking ... -
Investigation of Er doped zinc borate glasses by low-temperature photoluminescence
Kostka, P.; Kabalci, I.; Tay, Turgay; Gladkov, P.; Zavadil, J. (Elsevier Science BV, 2017)Er3+ doped (95-x)B2O3-xZnO-5TiO(2) (x = 45, 50 and 55 mol%) bulk glasses were prepared by conventional melt quenching method and investigated by transmission and photoluminescence (PL) spectroscopy. Transmission spectra ... -
Optical absorption and spectroscopic properties of thulium doped (TeO2)(Nb2O5)(TiO2) glasses
Kabalcı, İdris; Tay, Turgay; Özen, Gönül (Wiley-V C H Verlag GMBH, 2011)A type of thulium doped tellurite based optical glasses was prepared through conventional melt quenching technique. In the experiments, the effect of different Tm3+ ion concentration and glass composition on optical ... -
Preparation and characterization of activated carbon from waste biomass
Tay, Turgay; Uçar, Suat; Karagöz, Selhan (Elsevier Science BV, 2009)Lignocellulosic materials are good and cheap precursors for the production of activated carbon. In this study, activated carbons were prepared from the pyrolysis of soybean oil cake at 600 and 800 C by chemical activation ... -
Preparation and characterization of activated carbon produced from pomegranate seeds by ZnCl2 activation
Uçar, Suat; Erdem, Murat; Tay, Turgay; Karagöz, Selhan (Elsevier Science BV, 2009)In this study, pomegranate seeds, a by-product of fruit juice industry, were used as precursor for the preparation of activated carbon by chemical activation with ZnCl2. The influence of process variables such as the ... -
Preparation and Characterization of Activated Carbons from Waste Melamine Coated Chipboard by NaOH Activation
Zengin, Ayşe; Akalın, Mehmet Kuddusi; Tekin, Kubilay; Erdem, Murat; Tay, Turgay; Karagöz, Selhan (Foundation Environmental Protection & Research-Fepr, 2012)Activated carbons were prepared from the pyrolysis of waste melamine coated chipboard at 600 and 800 degrees C by chemical activation with NaOH. The effects of the carbonization temperature and concentration of chemical ... -
Preparation of novel antimicrobial polymer colloids based on (+)-usnic acid and poly(vinylbenzyl chloride)
Karabacak, R. Bengü; Tay, Turgay; Kıvanç, Merih (Elsevier Science BV, 2014)A novel antimicrobial colloidal system based on (+)-usnic acid, an important natural antimicrobial molecule, and poly(vinylbenzyl chloride) (PVBC) colloids was synthesized. The chloromethyl functionality on poly(vinylbenzyl ... -
Removal of lead (II) and nickel (II) ions from aqueous solution using activated carbon prepared from rapeseed oil cake by Na2CO3 activation
Uçar, Suat; Erdem, Murat; Tay, Turgay; Karagöz, Selhan (Springer, 2015)In this study, rapeseed oil cake as a precursor was used to prepare activated carbons by chemical activation with sodium carbonate (Na2CO3) at 600 and 800 A degrees C. The activated carbon with the highest surface area of ... -
Removal of Lead (II) Ions from Aqueous Solutions onto Activated Carbon Derived from Waste Biomass
Erdem, Murat; Uçar, Suat; Karagöz, Selhan; Tay, Turgay (Hindawi Publishing Corporation, 2013)The removal of lead (II) ions from aqueous solutions was carried out using an activated carbon prepared from a waste biomass. The effects of various parameters such as pH, contact time, initial concentration of lead (II) ... -
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 ... -
Synthesis and characterization of veratryl alcohol imprinted and nonimprinted methacrylamido polymers
Tay, Turgay (Scientific Publishers India, 2016)In this study, the synthesis and structural properties of a Molecularly Imprinted Polymer (MIP) and a Nonimprinted Polymer (NIP) bearing Fe-porphyrin moiety and amino acid moieties including Histidine (His), Tryptophan ... -
Synthesis of 5-(4-methacrylamidophenyl)-10,15,20-triphenylporphyrin, its copolymerization with acrylamide and EDMA, use of this copolymer in the adsorption of bovine serum albumin
Tay, Turgay; Türk, Hayrettin; Say, Rıdvan (Elsevier Science BV, 2007)A rigid and porous polymeric adsorbent was prepared from monomers 5-(4-methacrylamidophenyl)-10,15,20-triphenylporphyrin (1%), acrylamide (39%), and cross-linking agent ethylene glycol dimethacrylate (60%) using suspension ... -
Synthesis of novel methacrylate based adsorbents and their sorptive properties towards p-nitrophenol from aqueous solutions
Erdem, Murat; Yüksel, Erdinc; Tay, Turgay; Çimen, Yasemin; Türk, Hayrettin (Academic Press Inc Elsevier Science, 2009)The polymeric adsorbents were synthesized from 2-dimethylaminoethyl methacrylate (DMA) and [2(methacryloyloxy)ethyl]dimethylhexadecylammonium bromide (DMAC(16)) monomers in the presence of ethylene glycol dimethacrylate ... -
Thermal, Optical Properties and Structural Investigation of Tm3+ doped TeO2-ZnO-TiO2 Glass System
Kabalcı, İdris; Körpe, Neşe Öztürk; Duran, Tuğba; Özdemir, Mustafa; Tay, Turgay; Özen, Gönül (E D P Sciences, 2010)Tellurite based infrared glasses in the Tm3+ doped TeO2-ZnO-TiO2 system were prepared and its optical properties and crystallization kinetics investigated by using UV-VIS-NIR spectrophometer and differential thermal analysis ...