Graduate School of Natural and Applied Sciences

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Recent Submissions

Integrating solutions for enabling the sustainable development of energy, water and environment systems Kılkış, Şiir; Krajacic, Goran; Duic, Neven (2026-01-01) The world has reached 1.24 degrees C of global warming above pre-industrial levels when averaged over the last decade, necessitating time-saving options for the mitigation of climate change. Within a long-term scientific p...
Influence of conventional and supramolecular gellants on the rheological properties of JP-10 gel fuels Ozyetis, Hatice; Koc, Ahmet; Esiyok, Haci; Özkan, Necati (2026-01-01) The effects of a conventional gellant and different types of supramolecular gellants on the rheological properties of JP-10 gel fuels are studied. Various concentrations of 1,2:5,6-di-O-isopropylidene-D-mannitol (IPM) and ...
From global evidence to local action plan: a novel building decarbonization maturity scale and roadmap for nZEB office buildings in developing contexts - case of Türkiye Karanfil, Basak Yuncu; Kayaçetin, Nuri Cihan; Tereci, Aysegul; Biyikli, Neslihan; Gilisiralioglu, Merve Kilinc; Karaer, Digdem (2025-12-01) To effectively combat climate change, various policies and strategies are being developed to reduce emissions by 2050. The construction sector assumes a pivotal role in achieving decarbonization targets. It is imperative t...
Defatting strategies for chia protein production: effects on physicochemical properties Dirr, Simon; Karslioglu, Ozlem Ozmutlu; Ateş, Elif Gökçen; Öztop, Halil Mecit (2025-12-01) The growing demand for sustainable plant-based proteins has highlighted chia seeds (Salvia hispanica L.), offering 18–32 % protein content. This study evaluates protein extraction efficiency and functional properties acros...
Infrastructuralism, distributive politics and the persistence of populist rule Ozatagan, Guldem; Eraydın, Ayda (2025-11-07) This paper offers a practice-oriented lens and a context-sensitive approach to inquire into what populists do when in government and how resilient they remain. Bringing in-depth country insights on Turkey as an exemplary a...
MODELING AND EXPERIMENTAL INVESTIGATION OF CATALYTIC HYDROGEN PEROXIDE DECOMPOSITION Metin Alp, Yurtseven; Üner, Deniz; Department of Chemical Engineering (2025-11-07) One distinct area of hydrogen peroxide (H2O2) utilization is propulsion. In propulsion, having high purity hydrogen peroxide and its decomposition are highly important. In this study, the use of 1H Nuclear Magnetic Resonan...
Establishment of an In Vitro Neurovascular Unit Model With Blood and Brain Components and Investigation of Its Blood–Brain Barrier Kole, Gozde E.; KOCAGÖZ, ZÜHTÜ TANIL; Hasırcı, Vasıf Nejat; YÜCEL, DENİZ (2025-11-01) The neurovascular unit (NVU), including the blood–brain barrier (BBB), governs the interaction between neural tissue and blood vessels. The BBB is a highly selective interface that regulates molecular exchange between the ...
AN AI-BASED FRAMEWORK FOR MODELING STREAMFLOWS UNDER THE WATER-ENERGY-FOOD-ECOSYSTEM NEXUS APPROACH: A COMPREHENSIVE ASSESSMENT OF THE WATERSHEDS OF TÜRKİYE Habash, Abdelrahman; Alp, Emre; Göl, Murat; Department of Environmental Engineering (2025-10-17) A well-functioning Water–Energy–Food–Ecosystem (WEFE) Nexus is critical to support sustainable development under increasing climatic and anthropogenic pressures. Yet, most hydrological modelling frameworks still treat huma...
Key recommendations for cities committed to climate neutrality Ulpiani, Giulia; Vetters, Nadja; Thiel, Christian; Della Valle, Nives; Kılkış, Şiir; Palermo, Valentina; Melica, Giulia (2025-10-01) Cities are pivotal in the global quest for climate neutrality, yet implementation of climate actions often lags behind their ambitions. This Perspective distils practical recommendations to unlock the full potential of cit...
Utilizing GIS for Sustainable Conservation and Management of Riverine Heritage Landscapes: 'MeRiΔGIS' for Menderes (Maeander) River Delta, Türkiye Okumuş, Gökhan; Bilgin Altlnöz, Ayşe Güliz; Verschuure-Stuip, Gerdy (2025-10-01) Rivers, as powerful natural agents, have historically been not only sources of life and sustenance but also the creators and connectors of culture. From ancient civilizations that shaped agricultural lands and built their ...
Characterization of Miocene-Quaternary Mass Transport Complexes Using 3D Seismic Data, Southwestern Black Sea Kayhan, Deniz Yağmur; Altıner, Sevinç; Sipahioğlu, Özgür; Department of Geological Engineering (2025-9-25) Characterized by dim, chaotic and low-amplitude to transparent reflections in seismic data, mass transport complexes (MTCs) are gravity-driven deposits formed by downslope movements of sediments. In this study, a three-dim...
Characterizations and constructions in graph connectivity Tekdaş, Arsen Berk; Ercan, Gülin; Department of Mathematics (2025-9-25) This thesis surveys two constructive characterizations of uniformly 3-connected graphs, presents Ando's alternative proof of Tutte’s construction for 3-connected graphs, and introduces a construction for 4-connected graphs...
Reimagining urban science for global sustainability: Five strategic research areas Bai, Xuemei; Sioen, Giles B.; Kılkış, Şiir; McPhearson, Timon; Niazi, Zeenat; Dodson, Jago; Atmaja, Tri; Fukushi, Kensuke; Frantzeskaki, Niki; Nagendra, Harini; Shih, Wanyu; Elmqvist, Thomas; Muñoz-Erickson, Tischa; Deng, Xiangzheng; Güneralp, Burak; Lwasa, Shuaib; Zama, Noboru (2025-09-18) Non-technical summary Cities, as complex systems, are faced with increasingly diverse and connected challenges across social, economic, environmental, and health domains. To help cities address these challenges, the Future...
Nonlinear analysis of a laminated glass plate with mixed boundary conditions using the finite difference method Elçi, Deniz Can; Aşık, Mehmet Zülfü; Dural, Ebru; Department of Engineering Sciences (2025-9-11) The Finite Difference Method (FDM) is widely used to solve partial differential equations in various physical problems, including solid mechanics. In the analysis of laminated composite structures, FDM enables meshless s...
Situating regional policies: how important are they in populist surge and political divides in Europe? DEMİRDAĞ, İsmail; Ozatagan, Guldem; Eraydın, Ayda (2025-09-09) In this paper, we argue that understanding the role of regional policies and their outcomes on the recent populist disaffection of European voters with mainstream politics and their role in the political divides of Europe ...
DESIGNING AND EVALUATING A CONCEPTUAL FRAMEWORK FOR GENERATIVE ARTIFICIAL INTELLIGENCE-ASSISTED FEEDBACK: AN EXPERIMENTAL STUDY IN AN UNDERGRADUATE PROGRAMMING COURSE Coşkun, Atakan; Er, Erkan; Department of Computer Education and Instructional Technology (2025-9-01) Despite the growing integration of artificial intelligence (AI) in education, research on pedagogically grounded AI chatbots remains limited, constraining their instructional potential. To address this gap, a human–AI coll...
Investigating pre-service mathematics teachers' accuracy and mathematical creativity in 3D geometry tasks using GeoGebra Temiz, Orhan; Işıksal Bostan, Mine; Department of Mathematics Education (2025-9-1) This study aimed to investigate pre-service mathematics teachers' accuracy and mathematical creativity in solving 3D geometry tasks using GeoGebra. A qualitative multiple case study design was employed. Four pre-service ma...
"Architecture's Different Modes of Representation": an inquiry Yaşar, Berre; Savaş Sargın, Ayşen; Department of Architecture (2025-9-01) This study investigates “architecture and its image” through the theoretical and practical framework provided by the graduate course ARCH524 Architecture and Different Modes of Representation at the METU Faculty of Archite...
Designerly Ways of Dealing with Organizational Problems Kesdi, Nimet Başar; Börekçi, Naz Ayşe Güzide Z.; Department of Industrial Design (2025-9-1) When first introduced to the industry, design was typically interested in producing products, industrial goods, graphic items, and interior designs; however, design has recently become a widely accepted innovation tool in ...
TOMATO POMACE AS A SUSTAINABLE PROTEIN SOURCE: IMPACT OF CONVENTIONAL ALKALINE, ULTRASOUND, AND MICROWAVE-ASSISTED EXTRACTION ON PROTEIN CONTENT, YIELD, AND FUNCTIONAL PROPERTIES ALJURF, BODOOR; ŞAHIN, SERPIL; ÖZTOP, HALIL MECIT; Department of Food Engineering (2025-9-1) Tomato pomace, an abundant by-product of the tomato processing industry, is rich in protein and other valuable compounds. However, it is currently mostly utilized as animal feed, with considerable potential remaining for h...

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