Başlık için Kimya Bölümü Koleksiyonu listeleme
Toplam kayıt 352, listelenen: 265-284
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PREPARATION AND APPLICATION OF KOH IMPREGNATED SEPIOLITE AS A SOLID BASE CATALYST FOR BIODIESEL PRODUCTION USING MICROWAVE IRRADIATION
(SOC CHILENA QUIMICA, 2021)An active basic solid catalyst for biodiesel production was obtained via KOH impregnation onto sepiolite support followed by high temperature calcination. The transesterification of rapeseed oil over the resulting nanocomposite ... -
Preparation and radiation attenuation performances of metal oxide filled polyethylene based composites for ionizing electromagnetic radiation shielding applications
(Springer, 2015)Linear low density polyethylene based and metal oxide (PbO and WO3) filled composites were prepared and characterized for ionizing electromagnetic radiation (IEMR) shielding applications. Density properties, microscopic ... -
Preparation, characterization and comparative ionizing electromagnetic radiation performances: part I-metal oxide reinforced polymeric composites
(Springer, 2020)Isophthalic polyester resin was reinforced by using different metal oxides (lead(II)oxide, tungsten(VI)oxide and ferric oxide) and different reinforcement ratios (10-50%). Ionizing electromagnetic radiation shielding ... -
Preparation, Characterization and Electrochemical Application of Graphene-metallic Nanocomposites
(Wiley-V C H Verlag Gmbh, 2016)Three different Graphene-Metallic (Graphene-Me) nanocomposites - Graphene-Silver (Graphene-Ag), Graphene-Gold (Graphene-Au) and Graphene-Platinum (Graphene-Pt) nanocomposites - were prepared and characterized. The ... -
Preparation, characterization, and adsorption studies of coreAshell SiO2-CeO2 nanoparticles: a new candidate to remove Hg(II) from aqueous solutions
(Scientific Technical Research Council Turkey-Tubitak, 2016)SiO2 supported core@shell nanoparticles (CSNs) have recently attracted great attention due to their unique, tunable, optical, photocatalytic, and higher adsorption properties. In this study, SiO2@CeO2 CSNs were synthesized ... -
Protective effects of Opuntia ficus-indica extract on ram sperm quality, lipid peroxidation and DNA fragmentation during liquid storage
(Elsevier Science Bv, 2016)The present study aimed to assess the phenolic composition of the acetone extract from Opuntia ficus indica cladodes (ACTEX) and its effects on ram semen variables, lipid peroxidation and DNA fragmentation during liquid ... -
Pseudomonas fragi/graphene-gold hybrid nanomaterial bioanode based microbial fuel cell
(Royal Society of Chemistry, 2021)A Pseudomonas fragi (P. fragi) and graphene-gold hybrid nanomaterial included a carbon felt electrode (graphene-Au/CFE) bioanode was developed and optimized. Then, this bioanode was combined with a platinum cathode and a ... -
Purification and characterization of an alkaline pectin lyase produced by a newly isolated Brevibacillus borstelensis (P35) and its applications in fruit juice and oil extraction
(Springer, 2014)An alkaline pectin lyase (PNL) (EC 4.2.2.10) secreted by Brevibacillus borstelensis P35 (GenBank Number: FJ417406) was purified using ammonium sulfate fractionation, anion exchange chromatography on DEAE-cellulose and gel ... -
Purification and Characterization of Laccase from Thermophilic Anoxybacillus Gonensis P39 and its Application of Removal Textile Dyes
(Ars Docendi, 2016)Textile dyes which are extensively used have important incomes commercially however they cause health and environmental problems. In this study, Anoxybacillus gonensis P39 (Gen Bank No: FJ808725) isolated from Erzurum-Ilica ... -
Quartz crystal piezo electrode surface modification for gold nano-particles immobilization
(2007)In this study silver electrode quartz crystal surfaces were cleaned and modified to immobilize gold nanoparticles. First, the crystal surfaces were cleaned and activated with sodium hydroxide, acetone and methanol. After ... -
Rapid Reversible Degradation of Silicon Thin Films by a Treatment in Water
(Iop Publishing Ltd, 2012)Metastability effects in amorphous and microcrystalline silicon thin films induced by exposure to atmospheric gases and water are investigated. A simple procedure is described which allows studying such effects in a ... -
A rapid synthesis of 2-substituted 1,2,3-triazole-1-oxide derivative starting from 4-(methyl)isonitrosoacetophenone and its Ni(II) complex: Characterization, DNA binding and cleavage properties
(Elsevier Science Bv, 2017)An efficient route, not including any metal salt as a catalyst, for the synthesis of a new 2-substituted 1,2,3- triazole-1-oxide is reported in this paper. The title compound has been synthesized via reacting 4-(methyl)i ... -
Reduced Graphene Oxide-MWCNT Organogel Foam for Lithium-Sulfur Battery Cathode
(Institute of Physics Publishing, 2019)The fabrication of self-standing porous carbon foam nanostructures for trapping sulfur in Lithium-Sulfur (Li-S) batteries was aimed in this work. Nitrogen doped reduced graphene oxide/acid treated MWCNT based cathode ... -
Removal of aniline from aqueous solution by PVC-CDAE ligand-exchanger
(Elsevier Science Bv, 2005)The adsorption of aniline from aqueous solutions onto cobalt(II)-poly(vinyl chloride)-carboxylated diaminoethane (PVC-CDAE) resin has been studied using a mini-column apparatus at 25 +/- 0.1 degrees C. First of all, ... -
Removal of cationic dyes by kaolinite
(Elsevier Science Bv, 2009)The removal of cationic dyes such as maxilon yellow 4GL (MY 4GL) and maxilon red GIRL (MR GRL) on kaolinite from aqueous solutions has been studied according to the adsorption method. The adsorbed amount of dyes on kaolinite ... -
Removal of Color and COD from Olive Wastewater by Using Three-Phase Three-Dimensional (3D) Electrode Reactor
(Elsevier, 2019)The effect of different catalysts on the oxidation of olive wastewater (OMW) was investigated by using an electrocatalytic system. In this study, TiO2/AC, V2O5/TiO2/AC and WO3/TiO2/AC (over activated carbon) catalysts were ... -
The removal of lignin and phenol from paper mill effluents by electrocoagulation
(Academic Press Ltd- Elsevier Science Ltd, 2008)This study aims to investigate the treatment of paper mill effluents using electrocoagulation. Removal of lignin, phenol, chemical oxygen demand (COD) and biological oxygen demand (BOD) from paper mill effluents was ... -
Removal of phenolic and lignin compounds from bleached kraft mill effluent by fly ash and sepiolite
(Springer, 2005)This study aimed to remove phenolic and lignin compounds from paper mill industry (4500 m(3)/h) wastewaters, which is discharged to sea from a plant located in the western Turkey. As adsorbent, fly ash, raw sepiolite and ... -
Removal of Reactive Blue 221 by Kaolinite from Aqueous Solutions
(Amer Chemical Soc, 2010)The adsorption behavior of reactive blue 221 (RB221) on kaolinite was investigated by batch tests. The experiments were performed by employing a spectrophotometer to measure the concentration of RB221 before and after ... -
The removal of some inorganic compounds from paper mill efluents by the electrocoagulation method
(2004)Bu çalışmada, elektrokoagülasyon yöntemi kullanılarak kağıt atık sularının temizlenmesi amaçlandı. Amonyum, nitrit, nitrat ve fosfatın giderimi, farklı akım yoğunluklarında, elektrot (Fe ve Al) ve elektroliz sürelerinde ...
