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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 ...
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...
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...
Development of sensitive analytical methods for the determination of thallium at trace levels by slotted quartz tube flame atomic absorption spectrometry Ari, Betul; BAKIRDERE, Sezgin; Ataman, Osman Yavuz (Elsevier BV, 2020-09-01) A simple, sensitive and economical technique is needed for the determination of thallium and this study demonstrates the different analytical strategies were developed using atomic absorption spectrometry (AAS). In order t...
Metamorphic imprint of ridge subduction on the Neo-Tethyan ophiolites from the Saka Unit (Central Pontides, northern Turkey) Frassi, Chiara; Rebay, Gisella; Marroni, Michele; Sayıt, Kaan; Göncüoğlu, Mehmet Cemal; Ellero, Alessandro; Ottria, Giuseppe; Pandolfi, Luca (2020-09-01) The Intra-Pontide suture zone is the northernmost ophiolite suture zone exposed in the Anatolian peninsula. It consists of several variably deformed and metamorphosed tectonic units derived from the Neo-Tethyan IntraPontid...
Bifunctional Silicotungstic Acid and Tungstophosphoric Acid Impregnated Cu-Zn-Al & Cu-Zn-Zr Catalysts for Dimethyl Ether Synthesis from Syngas Karaman, Birce Pekmezci; OKTAR, NURAY; DOĞU, GÜLŞEN; Doğu, Timur (2020-09-01) In the present study, a set of methanol synthesis catalysts with different Cu/Zn/Al or Cu/Zn/Zr molar ratios were synthesized by a co-precipitation method. Silicotungstic acid and tungstophosphoric acid were impregnated in...
An effector ofPuccinia striiformisf. sp.triticitargets chloroplasts with a novel and robust targeting signal Andac, Ayse; Ozketen, Ahmet Caglar; Dagvadorj, Bayantes; Akkaya, Mahinur (Springer Science and Business Media LLC, 2020-08-01) Fungal pathogens secrete effector molecules into host plant cells to suppress host immunity to colonize plants. Ongoing efforts are being made to identify and characterize effector proteins in many fungal plant pathogens. ...
Full-Scale Physical Simulator of All SiC Traction Motor Drive With Onboard Supercapacitor ESS for Light-Rail Public Transportation Yildirim, Dogan; Aksit, Mehmet Hakan; Yolacan, Cem; Pul, Tevfik; Ermis, Cezmi; Aghdam, Behrang H.; ÇADIRCI, IŞIK; Ermiş, Muammer (2020-08-01) This article deals with the design and laboratory implementation of a full-scale physical simulator of an all-silicon carbide (SiC) traction motor drive for light-rail transit systems (LRTS) with onboard supercapacitor ene...
3D printing of polymeric tissue engineering scaffolds using open-source fused deposition modeling Alagoz, Ayse Selcen; Hasırcı, Vasıf Nejat (2020-08-01) Open-source printing is a field where the cost of printing additive manufacturing products is cheaper due to more economical software and parts to construct a product including those of tissue engineering scaffolds. In thi...
Distribution based representative sets for multi-objective integer programs Ozarik, Sami Serkan; Lokman, Banu; Koksalan, Murat (2020-07-16) We study and exploit the characteristics of the nondominated sets of Multi-objective Integer Programs (MOIPs). We introduce a density measure and search for common properties of the distributions of nondominated points for...
Structural, photo, optical and thermal luminescent properties of beta barium metaborate Yılmaz, Ayşen; Yılmaz, Ayşen; Bulur, Enver (2020-07-15) Barium borate compounds (BaB4O7-beta-BaB2O4) were produced by different synthesis methods, which include solution assisted solid state synthesis method (SAS), microwave assisted solid state synthesis method (MAS) and high ...
Density-aware mobile networks: Opportunities and challenges Mollahasani, Shahram; Eroğlu, Alperen; Demirkol, Ilker; Onur, Ertan (2020-07-05) We experience a major paradigm shift in mobile networks. The infrastructure of cellular networks is becoming mobile since it is being densified also by using mobile and nomadic small cells to increase coverage and capacity...
THE INVESTIGATION OF NOVICE PROGRAMMERS' DEBUGGING BEHAVIORS TO INFORM INTELLIGENT E-LEARNING ENVIRONMENTS: A CASE STUDY TÜRKMEN, GAMZE; Caner, Sonay (Turkish Online Journal of Distance Education, 2020-07-01) This study aims to provide a comprehensive and in-depth investigation of the debugging process in programming teaching in terms of cognitive and metacognitive aspects, based on programming students who demonstrate low, med...