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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...
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...
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...
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...
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...
A novel experimental and density functional theory study on palladium and nitrogen doped few layer graphene surface towards glucose adsorption and electrooxidation
Caglar, Aykut; Duzenli, Derya; Önal, Işık; Tezsevin, Ilker; Sahin, Ozlem; Demir Kıvrak, Hilal (Elsevier BV, 2021-03-01)
At present, few layer graphene (G) and nitrogen doped few layer graphene (N doped-G) are firstly coated on Cu foil via chemical vapor deposition (CVD) method and G and N doped-G coated Cu foil is transferred to the indium ...
Synthesis and biological activity of siRNA and Etoposide with magnetic nanoparticles on drug resistance model MCF-7 Cells: Molecular docking study with MRP1 enzyme
Yalcin, Serap; Gündüz, Ufuk (2021-03-01)
Objective(s): In this work, MRP-1 (Multidrug resistance-associated protein 1) gene expression levels and anticancer activity of siRNA and Etoposide loaded Poly-hydroxybutyrate (PHB) coated magnetic nanoparticles (MNPs) was...
Topical delivery of heparin from PLGA nanoparticles entrapped in nanofibers of sericin/gelatin scaffolds for wound healing
Basaran, Duygu Deniz Akolpoglu; Gündüz, Ufuk; Tezcaner, Ayşen; Keskin, Dilek (2021-03-01)
Skin regeneration is one of the most important issues in tissue engineering. Research on more effective biomaterials that will enhance regeneration while enabling requirements of a healing skin site is an important challen...
Synthesis of Indolizines by Dimerization of N-Propargylated Pyrroles via Allene Intermediates
Kuzu, Burak; Gul, Sergen; Tan Uygun, Meltem; Mengeş, Nurettin; Balcı, Metin (2021-03-01)
Ten different N-propargyl pyrrole derivatives having various substituents at the C-2 position were synthesized. These derivatives were converted into indolizine derivatives by the [2+2] cycloaddition reaction of pyrrole N-...
Ultrafast electron/energy transfer and intersystem crossing mechanisms in bodipy-porphyrin compounds
Tutel, Yusuf; Sevinç, Gökhan; Küçüköz, Betül; Yildiz, Elif Akhuseyin; Karatay, Ahmet; Dumanoğulları, Fatih Mehmet; Yılmaz, Halil; Hayvali, Mustafa; Elmali, Ayhan (2021-02-01)
© 2021 by the authors. Licensee MDPI, Basel, Switzerland.Meso-substituted borondipyrromethene (BODIPY)-porphyrin compounds that include free base porphyrin with two different numbers of BODIPY groups (BDP-TTP and 3BDP-TTP)...
Bioinks-materials used in printing cells in designed 3D forms
Tamay, Dilara Goksu; Hasırcı, Nesrin (2021-02-01)
Use of materials to activate non-functional or damaged organs and tissues goes back to early ages. The first materials used for this purpose were metals, and in time, novel materials such as ceramics, polymers and composit...
Optimisation of spray drying parameters for Lactobacillus acidophilus encapsulation in whey and gum Arabic: Its application in yoghurt
Leylak, Cansu; Özdemir, Kübra Sultan; Gurakan, G. Candan; Ögel, Zümrüt Begüm (Elsevier BV, 2021-01-01)
To maintain viable cells over the critical value of 10(6) cfu g(-1) throughout shelf life of probiotic yoghurt, Lactobacillus acidophilus LA-5 was encapsulated by spray drying using whey powder (WP) and gum arabic (GA) mix...
Processing optimization of SiO2-capped aluminum-doped ZnO thin films for transparent heater and near-infrared reflecting applications
Can, Hilal Aybike; Tonbul, Beyza; PİŞKİN, FATİH; Öztürk, Tayfur; AKYILDIZ, HASAN (2021-01-01)
In this study, a series of optimization steps were performed in the production of Al-doped ZnO (AZO) thin films to tailor their properties as efficient transparent heaters and for near-infrared (NIR) reflectance. The films...
Impact assessment of Vision 2023 defense technology foresight
Burhan, Mukaddes; Çakır, Serhat (2021-01-01)
Purpose - The purpose of this paper is to provide information about the long-term ex-post impacts of Vision 2023 technology foresight (TF) on the defense sector and to identify critical success factors (CSFs) of impactful ...
Sanal Gerçeklik Ortamlarında Bulunma Hissi
Geriş, Ali; Tunga, Yeliz (2020-12-01)
Sanal gerçeklik bireylerin mevcut fiziksel gerçeklikten koparak farklı dünyalar deneyimleyebilmelerini sağlayan önemli bir teknolojidir. Katılımcıların sanal gerçeklik ortamlarındaki tamamen var olma durumu literatürde bul...
Özel Kiralık Kesimde Boş Konut Birimlerinin Sosyal Konut Olarak Kullanılması Üzerine Bir Değerlendirme: Cevizlidere Mahallesi Örneği
Aksoy Khurami, Esma; Özdemir Sarı, Özgül Burcu (2020-12-01)
Konut piyasaları, mevcut ve yeni konut stokunun üretim ve dağıtım süreçlerinde verimliliğini arttırmak ve piyasayı düzenlemek için çeşitli devlet politikalarına konu olmuştur. Sosyal konut aracılığıyla hane halklarına ko...
Physical characterization of high methoxyl pectin and sunflower oil wax emulsions: A low-field H-1 NMR relaxometry study
Akkaya, Sinem; Özel, Barış; Öztop, Halil Mecit; YANIK, DERYA KOÇAK; GÖĞÜŞ, FAHRETTİN (Wiley, 2020-12-01)
Pectin-wax-based emulsion systems could be used to form edible films and coatings with desired water permeability characteristics. Pectin is often used in food industry due to its gelling and viscosity increasing propertie...
Development of non-noble Co–N–C electrocatalyst for high-temperature proton exchange membrane fuel cells
Eren, Enis Oğuzhan; Özkan, Necati; Devrim, Yılser (Elsevier BV, 2020-11-27)
© 2020 Hydrogen Energy Publications LLCThe development of a non-noble Co–N/MWCNT (MWCNT = multi-walled carbon nanotubes) electrocatalyst is achieved through the high-temperature pyrolysis method and successfully characteri...
Digestion of animal- and plant-based proteins encapsulated in kappa-carrageenan/protein beads under simulated gastrointestinal conditions
Özel, Barış; Zhang, Zhiyun; He, Lili; McClements, David Julian (Elsevier BV, 2020-11-01)
In this study, we encapsulated both animal-derived (whey) and plant-derived (soy and pea) proteins within polysaccharide/protein beads and measured the digestion of these beads under simulated gastrointestinal tract (GIT) ...
DFT Study on the Hydrogenation of CO2 to Methanol on Ho-Doped Cu(211) Surface
Tezsevin, Ilker; Senkan, Selim; Önal, Işık; Duzenli, Derya (2020-10-01)
The catalytic conversion of carbon dioxide (CO2) into methanol, a valuable chemical product, has been investigated theoretically on a novel holmium (Ho)-doped Cu(211) surface by density functional theory (DFT) calculations...
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