Graduate School of Natural and Applied Sciences

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Hasırcı, Vasıf Nejat (240)
Gündüz, Ufuk (211)
Hasırcı, Nesrin (172)
Hacaloğlu, Jale (137)
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Electrical engineering. (252)
Mechanical engineering. (236)
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1960 - 1979 (2470)
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2020 - 2021 (540)

Recent Submissions

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 ...
Remote social touch: a framework to communicate physical interaction across long distances Alsamarei, Ali Abdularazzaq Abbood; Şener Pedgley, Bahar; Department of Industrial Design (2021-1-13) In this day and age, there is a large group of people who have to live away from their loved ones due to various reasons such as work, study, or certain health-related concerns (e.g. infection diseases). Living away from t...
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...
Numerical and experimental investigation of acoustophoretic microfluidic devices Şahin, Mehmet Akif; Özer, Mehmet Bülent; Department of Mechanical Engineering (2021-1) Acoustophoresis is one of the techniques to manipulate suspended particles to intended positionsin continuous flow. In this study, a numerical simulation methodologythatcouples electro-mechanic, solid,and ac...
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 ...
Automated detection of discontinuity properties using terrestrial laser scanning data Ünlüsoy, Deniz; Süzen, Mehmet Lütfi; Department of Geological Engineering (2020-12-24) Traditional ground surveying methods for the determination of rock mass discontinuity characteristics are costly and time consuming when large survey areas are involved. In addition, some rock mass surfaces cannot be obs...
A multidimensional analysis of Turkish German low carbon energy transitions Bayraktar, Alparslan; Tanrısever, Oktay Fırat; Özdemir, Özlem; Department of Earth System Science (2020-12-10) Long-term structural changes in energy systems, commonly referred as “energy transition”, have occurred in the past and still occur worldwide. This global energy transition is being observed in multiple fields. Energy syst...
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...
3D imaging via binary wavefront modulation for lidar and machine vision applications Yüksel, Çağdaş Anıl; Yüce, Emre; Department of Micro and Nanotechnology (2020-11-2) Autonomous vehicles have proven to be very efficient in daily routine jobs and their impact will continue to increase given the recent developments in artificial intelligence, boosted by increased computation capacity. T...
An ideation method in design for iot: Creating object personas via sensor data Tuna, Nur Nagihan; Hasdoğan, Gülay Fatma; Department of Industrial Design (2020-11-2) Internet of things (IoT) introduced some challenges as well as many opportunities for designers. Enhanced capabilities of the things transformed them from being passive assistants of humans to active agents that can coll...
INCORPORATING COMPLEXITY INTO RISK MANAGEMENT: AN INTEGRATED RISK ASSESSMENT PROCESS FOR MEGA CONSTRUCTION PROJECTS Erol, H. Hüseyin; Dikmen Toker, İrem; Department of Civil Engineering (2020-11) Complexity and risk are inherent components of mega construction projects due to their unique characteristics. However, existing project management practices fail to incorporate complexity-based thinking into risk manageme...
Thermodynamic properties of the high-pressure phases in solid nitrogen close to phase transitions Akay, Özge; Yurtseven, Hasan Hamit; Department of Physics (2020-11) In this thesis,the physical properties of solid nitrogen are investigated in a wide range of temperature and pressure by analyzing experimental data from the literature.For this investigation, various models are implemente...
SENSITIVITY OF THE SHiP EXPERIMENT TO HIDDEN PARTICLES AT THE CERN SPS Akmete, Atakan; Güler, Ali Murat; Department of Physics (2020-11) New Physics (NP) can be explored by connecting the Hidden Sector to the Standard Model (SM) through new (hidden) particles, which are very feebly interacting and have masses below the Fermi scale. The SHiP (Searching for ...
Design, fabrication, and characterization of micro thermal actuators Gülcüler, Buğrahan; Azgın, Kıvanç; Department of Mechanical Engineering (2020-11) This thesis presents the design, fabrication, and characterization of V-Type thermal actuators, which will be used in an actuator system that is planned to be a tensile and compressive test setup to characterize the expand...
Development of a new testing procedure to measure thermal fatigue performance of asphalt concrete Shabani, Reza; Güler, Murat; Department of Civil Engineering (2020-11) In the scope of this study, a new test procedure is developed to investigate the thermal fatigue performance of asphalt concrete materials. To achieve this, test samples are compacted using different mixtures to be designe...
Network density estimators and density-aware wireless networks Eroğlu, Alperen; Onur, Ertan; Department of Computer Engineering (2020-11) New network architectures and communication technologies continue to emerge to meet rapidly increasing and changing user demands requiring continuous connectivity and high data rate transmissions. These ubiquitous infrastr...