Graduate School of Natural and Applied Sciences, Article

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A quick look to the use of time domain nuclear magnetic resonance relaxometry and magnetic resonance imaging for food quality applications
Özel, Barış; Öztop, Halil Mecit (2021-10-01)
© 2021 Elsevier LtdEvaluation of food quality in industrial production is a major interest. Fast, reliable, cost-effective and easy-to-use applications are required for on-line inspection of food products. With the recent ...
Modification of TiO2 and NiO charge selective mesoporous layers using excessive Y and Li additions for carbon based perovskite solar cells
Icli, Kerem Cagatay; Özenbaş, Ahmet Macit (2021-09-15)
© 2021 Elsevier B.V.Carbon based perovskite solar cells are rapidly emerging as promising photovoltaic devices, combining low cost production and prolonged device operation, due to the exclusion of polymeric conductors and...
Characterization and Comparison of geothermal fluids geochemistry within the Kızıldere Geothermal Field in Turkey: New findings with power capacity expanding studies
Tut Haklıdır , Füsun S.; Şengün, Raziye; Aydın, Hakkı (Elsevier BV, 2021-7)
The Kızıldere geothermal field is the first known high-temperature geothermal field in Turkey. The field is located in the Büyük Menderes Graben (BMG), Western Anatolia (Turkey). There are four production sections (reservo...
Solution processed aluminum-doped ZnO thin films for transparent heater applications
Tonbul, Beyza; CAN, HİLAL; Öztürk, Tayfur; AKYILDIZ, HASAN (2021-06-01)
A study was carried out to tailor the properties of ultrasonic spray pyrolysis deposited Al-doped ZnO (AZO) thin films suitable for transparent heater applications. For this purpose, the influences of solvent/precursor typ...
The effect of gas production from deeper conventional gas reservoirs on shallower gas hydrate layer stability: A case study in the conditions of the Sakarya gas field, Western Black Sea
Aydın, Hakkı; Merey, Şükrü (Elsevier BV, 2021-6)
Gas hydrate deposits are generally found in the shallow deepwater regions where continuous permafrost exists. The presence of water, methane and thermodynamic conditions (low temperature and high pressure) is critical for ...
The performance of polyethersulfone nanocomposite membrane in the removal of industrial dyes
Mahmoudian, Mehdi; Ghasemıkouchameshgı, Mahmoud (2021-05-14)
© 2021 Elsevier LtdIn the present study, graphene oxide was functionalized by hyperbranched epoxy and then used as an additive in the polyethersulfone membrane. The process of preparation and characterization of the synthe...
Role of chromium in Cr–Fe oxide catalysts for high temperature water-gas shift reaction – A DFT study
Yalcin, Ozgen; Wachs, Israel E.; Önal, Işık (2021-05-13)
© 2021 Hydrogen Energy Publications LLCCarcinogenic hexavalent Cr in the current iron oxide-based catalysts of high temperature water-gas shift (HT-WGS) reaction is great environmental concern. Interpreting the role of the...
Design of Electrical Submersible Pump system in geothermal wells: A case study from West Anatolia, Turkey
Aydın, Hakkı; Merey, Şükrü (Elsevier BV, 2021-5-12)
Geothermal is defined as one of the renewable and sustainable energy sources. The sustainability of geothermal wells is highly dependent on the pressure drive mechanism and non-condensable gas (NCG) content of the produced...
High hydrostatic pressure assisted extraction of pectin from sugar beet pulp
Kaya, Burcu; Okur, İlhami; Alpas, Hami; Oztop, Mecit Halil (2021-05-01)
This study aimed to investigate the effect of high hydrostatic pressure assisted extraction (HHPE) (250, 350 and 450 MPa at 40 degrees C for 5 min with/without acid addition) of pectin from sugar beet pulp and compare its ...
Investigation of wind turbine wakes and wake recovery in a tandem configuration using actuator line model with LES
Önel, Hüseyin Can; Tuncer, İsmail Hakkı (2021-04-30)
© 2021 Elsevier LtdTurbulent flow fields behind wind turbines are investigated using LES and Actuator Line Model with OpenFOAM on locally clustered Cartesian grids in a parallel computing environment. Wake interactions bet...
Editorial - mESC-IS2019
Öztürk, Tayfur (2021-04-09)
Rhodium(0), Ruthenium(0) and Palladium(0) nanoparticles supported on carbon-coated iron: Magnetically isolable and reusable catalysts for hydrolytic dehydrogenation of ammonia borane
Akbayrak, Serdar; ÇAKMAK, GÜLHAN; Öztürk, Tayfur; Özkar, Saim (2021-04-01)
We report the synthesis of magnetically isolable ruthenium(0), rhodium(0), and palladium(0) nanoparticles, supported on carbon-coated magnetic iron particles, and their employment as catalysts in hydrolysis of ammonia bora...
Evaluating Oxygen Tensions Related to Bone Marrow and Matrix for MSC Differentiation in 2D and 3D Biomimetic Lamellar Scaffolds
Sayin, Esen; Baran, Erkan Turker; Elsheikh, Ahmed; Mudera, Vivek; Cheema, Umber; Hasırcı, Vasıf Nejat (2021-04-01)
The physiological O-2 microenvironment of mesenchymal stem cells (MSCs) and osteoblasts and the dimensionality of a substrate are known to be important in regulating cell phenotype and function. By providing the physiologi...
Behaviour of PLA/POSS nanocomposites: Effects of filler content, functional group and copolymer compatibilization
Meyva Zeybek, Yelda; Kaynak, Cevdet (2021-04-01)
The main purpose of this study was to investigate influences of three parameters on the mechanical and thermal properties of the polylactide (PLA) matrix nanocomposites filled with polyhedral oligomeric silsesquioxane (POS...
In vitro digestibility of rare sugar (D-allulose) added pectin-soy protein gels
Ateş, Elif Gökçen; Ozvural, Emin Burcin; Oztop, Mecit H. (2021-04-01)
Confectionery gels are known to be high-caloric products due their high sugar content. Changing their formulations by substituting the sugar with alternative natural sweeteners and functionalising them, the addition of pro...
Determination of physical and chemical properties of oleogels prepared with olive oil and olive-based emulsifier
Erinc, Hakan; Okur, İlhami (2021-04-01)
This study aimed to investigate the use of olive-based emulsifier (OBE), as an oleogelator, in the production of olive oil oleogels and to determine some physical and chemical properties of oleogels. For this purpose, oliv...
Design and kinematic analysis of a novel rehabilitative robotic walking simulation device
Kose, Kemal Cem; Özgören, Mustafa Kemal; Tekce, Ferzende; DÖNER, NİMETİ (2021-04-01)
This paper presents an original rehabilitative robotic walking simulation device. As a novel feature, it can duplicate the walking motion of the feet completely by including the motion of the metatarsophalangeal joints as ...
Field-dependent NMR relaxometry for Food Science: Applications and perspectives
Ateş, Elif Gökçen; Domenici, Valentina; Florek-Wojciechowska, Małgorzata; Gradišek, Anton; Kruk, Danuta; Maltar-Strmečki, Nadica; Öztop, Halil Mecit; Ozvural, Emin Burcin; Rollet, Anne-Laure (2021-04-01)
© 2021 Elsevier LtdBackground: Nuclear Magnetic Resonance (NMR) relaxometry is widely used for food products characterization. In order to exploit the full potential of the relaxation methods one can look at magnetic field...
Special Issue: Advances in Combustion Research
Mansour, Mohy S.; Selçuk, Nevin; Beretta, Federico; D’Anna, Andrea (2021-04-01)
Optimization of microwave-assisted extraction of phenolic compounds from tomato: Characterization by FTIR and HPLC and comparison with conventional solvent extraction
Baltacıoğlu, Hande; Baltacıoğlu, Cem; Okur, İlhami; Tanrıvermiş, Arif; Yalıç, Muharrem (Elsevier BV, 2021-03-01)
© 2021 Elsevier B.V.In the extraction of phenolic compounds from tomato, Microwave-Assisted Extraction (MAE) was used as a novel technology in this study and compared to conventional solvent extraction (CSE). The optimal e...
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