• A DFT Study of Si Doped Graphene: Adsorption of Formaldehyde and Acetaldehyde 

  Akyavaşoğlu, Özge; Fellah, Mehmet Ferdi (DergiPark, 2020)

  In this study, Si doped graphene sensor property for indoor volatile contaminants formaldehyde and acetaldehyde has been examined. The B3LYP hybrid method with 6-31G(d,p) basis set has been used for this purpose. The ...

• A Density Functional Theory Study on Graphene Triple Doped with Ga, Ge, P, Si, and Al 

  Serinçay, Nazmiye; Fellah, Mehmet Ferdi (MAIK NAUKA, 2022)

  The basic properties of graphene surfaces doped with Ga, Ge, P, Si, and Al were investigated using DFT (density functional theory). The structural, electrical, chemical and optical properties obtained by doping three ...

• Hydrogen adsorption on Ni doped carbon nanocone 

  Köse, Ahmet; Yüksel, Numan; Fellah, Mehmet Ferdi (ELSEVIER SCIENCE SA, 2022)

  Hydrogen adsorption was investigated on Ni doped carbon nanocone (Ni-CNC) 180 degrees C by Density Functional Theory (DFT). The WB97XD method was used with the 6-31G(d,p) and LanL2DZ basis sets. The electronegativity, HOMO ...

• Strategies to obtain tocopherols, phytosterols and squalene from deodorizer distillates and acid oils using supercritical fluids 

  Adaşoğlu, Nalan; Gece, Ender Gökhan (Transworld Research Network, 2013)

  Recent Research Developments in Lipids, Strategies to obtain tocopherols, phytosterols and squalene from deodorizer distillates and acid oils using supercritical fluids

• Highly durable spray-coated superhydrophobic surface: Pre-anodizing and fatty acid chain length effect 

  Aras, Ömür; Baydır, Enver; Akman, Buğra (KOREAN INSTITUTE CHEMICAL ENGINEERS, 2022)

  In the study, aluminum plates were first anodized and then coated with ZnO by spray-pyrolysis method. By modification with long chain fatty acid, these surfaces demonstrate superior hydrophobicity and durability. After ...

• REMOVAL OF COPPER FROM INDUSTRIAL WASTEWATER USING SPENT COFFEE GROUNDS 

  Adaşoğlu, Nalan; Bozkurt, Belgin; Salt, Inci (Yıldız Teknik Üniversitesi, 2013)

  In the literature, several studies have been reported on the sorption of metal ions from contaminated water using natural materials including bamboo dust, coconut shell, etc. which is modified with the chemicals or pyrolyzed, ...

• A Density Functional Theory study for adsorption and sensing of 5-Fluo-rouracil on Ni-doped boron nitride nanotube 

  Yüksel, Numan; Köse, Ahmet; Fellah, Mehmet Ferdi (Elsevier, 2021)

  In this research, the use of Ni-doped (8,0) boron nitride nanotube (Ni-BNNT) as both a sensor and an adsorbent for 5-Fluorouracil (5-FU) molecule was investigated by Density Functional Theory (DFT) method. The B3LYP method ...

• Usability, durability and regeneration of Ag/ZnO coated microreactor for photocatalytic degradation of methylene blue 

  Akman, Buğra; Aras, Ömür (Elsevier, 2021)

  The microreactor, which was manufactured for the treatment of aqueous methylene blue (MB) solution, was coated with ZnO photocatalyst with different silver content using the spray pyrolysis method. Dye removal from water ...

• Increasing biodiesel production yield in narrow channel tubular reactors 

  Baydır, Enver; Aras, Ömür (Elsevier, 2021)

  The purpose of this study is to augment the FAME yield by increasing the contact surface of the reactants that do not mix with each other in continuous biodiesel production. For this aim, many studies have been conducted ...

• Processing and applications of ceramic microspheres 

  Geçim, Gözde; Kalemtaş, Ayşe (Elsevier, 2021)

  This chapter is focused on processing techniques for dense, porous, and hollow ceramic microspheres and their applications. A large number of studies focused on modeling and observations from nature revealed that complex ...

• Retraction: Bimetallic platinum-rhodium nanocomposites for dimethylamine borane dehydrogenation: An experimental and density functional theory study (Catal. Sci. Technol. (2020) 10 (4624-4634) DOI: 10.1039/D0CY00641F) 

  Acidereli, Hilal; Fellah, Mehmet Ferdi (Royal Society of Chemistry, 2021)

  Hilal Acidereli and Mehmet Ferdi Fellah hereby wholly retract this Catalysis Science & Technology article due to concerns with the reliability of the data in the published article. The high-resolution transmission electron ...

• Removal of boron from industrial wastewater using PVP/PVDF blend membrane and GO/PVP/PVDF hybrid membrane by pervaporation 

  Özekmekçi, Mehtap; Ünlü, Derya; Çopur, Mehmet (Springer, 2021)

  Removal of boron from water is a significant issue worldwide. Boron levels in waters containing high concentrations should be kept under control. Boron removal from the industrial wastewater released from Eti Mine Boron ...

• Methyl-mercaptane adsorption and sensing on Fe-/Co-graphene structures: A DFT study 

  Yüksel, Numan; Köse, Ahmet; Fellah, Mehmet Ferdi (DergiPark, 2021)

  In this research, the adsorption and detection abilities of Fe and Co doped graphene structures for methyl-mercaptan molecule were investigated by Density Functional Theory (DFT) method. B3LYP hybrid functional and ...

• Methanol steam reforming in a microchannel reactor coated with spray pyrolysis method for durable Cu/ZnO nanocatalyst 

  Baydır, Enver; Aras, Ömür (Elsevier B.V., 2021)

  In this study, hydrogen production was carried out in microreactor by methanol steam reforming process. Electro etching method was used to obtain microchannels with different channel width and depth. Although there are ...

• Investigation of structural, spectral, optical and nonlinear optical properties of nanocrystal CdS: Electrodeposition and quantum mechanical studies 

  Erturk, Kadir; Isik, Seref; Aras, Ömür; Kaya, Yunus (Elsevier GmbH, 2021)

  Nanocrystalline CdS semiconductor was synthesized by electrodeposition technique, and characterized by X-ray diffraction (XRD), Raman spectroscopy, scanning electron microscope (SEM), and FTIR spectroscopic methods. XRD ...

• Gas Flow Hydrodynamics in Vortex Mixers: Flow Visualization and PIV Flow Field Characterization 

  Geçim, Gözde; Erkoç, Ertuğrul (American Chemical Society, 2021)

  The gas flow hydrodynamics in a vortex mixer was investigated using flow visualization and particle image velocimetry (PIV) techniques for several Reynolds numbers ranging from Re = 20 to 280 and equal momentum of the jets. ...

• An investigation of natural and modified diatomite performance for adsorption of basic Blue 41: Isotherm, kinetic, and thermodynamic studies 

  Kul A.R.; Aldemir A.; Koyuncu, Hülya (Desalination Publications, 2021)

  In the present study, natural diatomite (ND) and Mn-modified diatomite (MD) were utilized for adsorption of Basic Blue 41 (BB 41) from aqueous solution at temperatures of 298, 308, and 318 K. Based on the results of isotherm ...

• The reduced graphene oxide/WO3: Sensing properties for NO2 gas detection at room temperature 

  Fellah, Mehmet Ferdi (Elsevier Ltd, 2021)

  The use of reduced graphene oxide/(WO3)3 as a sensor for NO2 gas was investigated by Density Functional Theory method and the results were compared with the experimental data. The charge transfer has happened between the ...

• Biyoyakıt Bütanolün Metal Organik Kafes (MOF) İçeren Karışık Matrisli UiO-66/PVA Membranlar Kullanılarak Pervaporasyon Prosesi ile Dehidrasyonu 

  Ünlü, Derya (2020)

  Bu çalışmada geleceğin önemli bir biyoyakıt maddesi olarak görülen bütanolün pervaporasyon ile dehidrasyonu hedeflenmiştir. Bu amaçla UiO-66 yüklü karma matris PVA membranlar sentezlenmiştir. Membranlar çözeltiden döküm ...

• KINETICS OF THE ESTERIFICATION OF PROPIONIC ACID WITH ISOBUTYL ALCOHOL OVER AMBERLYST 36 AND AMBERLYST 70 

  Çıtak, Alime; Hoşgün, Halit Levent (2018)

  The esterification of propionic acid with isobutyl alcohol has been studied in a batch reactor in the presence of Amberlyst 36 and Amberlyst 70 catalysts. Reaction parameters applied in this study are speed of agitation ...

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