Graduate School of Natural and Applied Sciences, Thesis

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Thesis (25927)

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Engineering and Technology (2856)
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1960 - 1979 (2467)
1980 - 1999 (6615)
2000 - 2019 (12728)
2020 - 2026 (4112)

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Master Thesis (21514)
Ph.D. Thesis (4395)
Thesis (25)

Recent Submissions

Generative super-resolution of 3D Gaussian splat sets Bal, Batuhan; Cinbiş, Ramazan Gökberk; Department of Computer Engineering (2026-9-03) 3D Gaussian Splatting (3DGS) enables real-time novel view synthesis, but Gaussian representations reconstructed from low-resolution observations are typically sparse and lack fine geometric and appearance details, limiting...
Development of a deterministic, high-speed, multi-level multi-drop shared communication bus for automotive applications Acar, Tan Çağatay; Schmidt, Klaus Verner; Schmidt, Şenan Ece; Department of Electrical and Electronics Engineering (2026-9-3) Modern zonal vehicle architectures must support both short, time-critical control traffic and high-volume data while limiting wiring and interface complexity. This creates a trade-off: shared multidrop buses offer low-cost...
Comparative Life Cycle Assessment of Hydrometallurgical and Electro-Electrodialysis Processes for Lithium Recovery Yıldız, Işınsu; Evis, Zafer; Biçer, Yusuf; Department of Engineering Sciences (2026-9-02) Lithium-ion batteries, a considerable component of the energy transition and part of energy storage technologies, are widely used in both portable devices and large-scale energy storage systems. The rapid growth has led to...
Rapid visual detection of porcine DNA in heat-treated and processed products using a dual-colorimetric loop-mediated isothermal amplification (LAMP) assay Er, Tuğçe; Öktem, Hüseyin Avni; Department of Molecular Biology and Genetics (2026-9-01) The undeclared presence of pork in food products is a significant food authenticity concern for consumers avoiding pork for sociocultural or personal reasons. Detection is particularly challenging in processed foods, where...
Topological Full Groups: Finite-Stage Approximations, Free Subgroups, and Substitution Models Özdemir, Anıl; Benli, Mustafa Gökhan; Department of Mathematics (2026-8-24) Topological full groups describe orbit structure in Cantor dynamics through locally defined transformations. For every infinite minimal subshift, we construct finitely presented finite-stage groups converging to its commut...
INVESTIGATION OF ALKALINE LEACHING AS A PRECONCENTRATION METHOD ON A TURKISH NICKEL LATERITE AND ITS EFFECT ON SUBSEQUENT ACID LEACHING Chapepa, Reginald Ngoni; Altun, Naci Emre; Department of Mining Engineering (2026-8-24) The aim of this study was to evaluate alkali leaching as a preconcentration method on a Turkish nickel laterite ore, with particular focus on its effects on nickel and cobalt enrichment and subsequent acid leaching perform...
Ulam Stability in C*-Algebras and its Connections to Rigidity Conjectures Saxena, Jayatra; Kaya, Burak; Department of Mathematics (2026-8-14) Roughly speaking, Ulam stability is the phenomenon of "approximate" morphisms between classes of objects in a category being close to actual morphisms. In this thesis, we study Ulam stability in the context of C*-algebras....
PERCEPTIONS AND EXPERIENCES OF PRE-SERVICE AND IN-SERVICE CHEMISTRY TEACHERS ON THE INTEGRATION OF ARTIFICIAL INTELLIGENCE Erol, Cansu; Boz, Yezdan; Department of Science Education (2026-8-14) This study aims to explore the perceptions, experiences, and recommendations of Turkish pre-service and in-service chemistry teachers regarding the use of AI-based tools in chemistry education. A qualitative design and pur...
Acceleration of finite rate chemistry in laminar reacting flow simulations using an artificial neural network Göçer, Furkan; Karaca, Mehmet; Department of Aerospace Engineering (2026-8-14) This thesis develops an artificial neural network-based chemistry surrogate for accelerating chemical source term computation in reacting flow computational fluid dynamics. The proposed method replaces direct integration o...
LAYER-BY-LAYER ASSEMBLY OF POLYLACTIC ACID AND CHITOSAN FILMS DOPED WITH OLIVE LEAF EXTRACT AND DEEP EUTECTIC SOLVENTS FOR EXTENSION OF SHELF LIFE OF CHEESE PRODUCTS Ahmadova, Nazrin; Kahyaoğlu, Leyla Nesrin; Department of Biotechnology (2026-8-14) Active food-packaging films were developed by sequentially depositing olive leaf extract (OLE)-containing chitosan layers onto a poly(lactic acid) (PLA) substrate using a doctor-blade applicator. The films were designate...
Correlation between Insulation Degradation and Partial Discharge Characteristics under Accelerated Electrical Aging Alipour Vahid Sadabad, Pouya; Firuzi, Keyvan; Department of Electrical and Electronics Engineering (2026-8-14) Partial discharge (PD) is among the earliest indicators of insulation degradation in high-voltage (HV) equipment, often the only warning before a defect in a transformer, cable, winding, or switchgear causes failure. Despi...
ON THE ACCURACY OF REACTIVE-TRANSPORT MODELS FOR LARGE EDDY SIMULATIONS OF HIGH SPEED FLOWS Sakaoğlu, Sergen; Özyörük, Yusuf; Karaca, Mehmet; Department of Aerospace Engineering (2026-8-14) High-fidelity simulation tools are essential for modeling multi-species reacting flows, where temperature and species concentrations vary sharply and small-scale transport governs accuracy. Chemical kinetics and molecular ...
DESIGN AND SYNTHESIS OF CARBON-RICH CHROMOPHORES VIA CLICK-TYPE REACTIONS: EXPLORATION OF LINEAR AND NONLINEAR OPTICAL PROPERTIES Erden, Kübra; Dengiz, Çağatay; Department of Chemistry (2026-8-13) In recent years, organic materials with nonlinear optical (NLO) properties have attracted significant attention due to their applications in spectroscopic methodologies, the study of reaction dynamics, surface characteriza...
A numerical study on lateral bracing of steel moment resisting frame beams Saltık, Heval; Topkaya, Cem; Department of Civil Engineering (2026-8-12) Beams of special moment frames (SMFs) are expected to sustain large inelastic rotations under seismic loading, while local buckling and lateral-torsional buckling may cause strength degradation. This thesis numerically inv...
Comparison of machine learning and deep learning models for longitudinal infant mortality rate data: a study based on real world and simulated data Özhayat, Okan; İlk Dağ, Özlem; Department of Statistics (2026-8-12) Infant mortality remains a key indicator of national health and development, as accurate cross-country prediction is essential for guiding public health policy. However, comparative analyses in the literature remain constr...
Genomic insigths into social practices of an early sedentary community from Upper Mesopotamia Katırcıoğlu, Büşra; Somel, Mehmet; Department of Molecular Biology and Genetics (2026-8-10) Upper Mesopotamia is one of the most important centers of the Neolithic Transition. Çayönü Tepesi holds a special place due to its uninterrupted occupation during the Pre-Pottery Neolithic (PPN) period and its dynamic cult...
The core sets of complex manifolds and their properties Demir, Mustafa Yiğit; Yazıcı, Özcan; Department of Mathematics (2026-8-7) In this thesis, we review foundational literature investigating the properties and characterizations of core sets of complex manifolds, which are constructed utilizing plurisubharmonic functions. In the first framework, th...
Constıtutıve overexpressıon of slaim1 enhances potato resılıence to recurrent drought Kaya, Muhammed Fatih; AKSOY, EMRE; Computational Design and Fabrication Technologies in Department of Architecture (2026-8-07) Drought is one of the most important environmental factors limiting potato productivity worldwide, and the increasing frequency of recurrent drought events under climate change has intensified the need for developing droug...
Compactness and Spectra of Hankel Operators Baki, Mehmet Orçun; Yazıcı, Özcan; Department of Mathematics (2026-8-7) Spaces of analytic functions and their operators are widely studied. Two of those operators are Toeplitz and Hankel operators. In analytic function spaces that are complemented in a larger space, the Toeplitz operator $T_\...
Effects of drought priming on the subsequent salinity response of two bread wheat (Triticum aestivum L.) cultivars Fidan, Ece; Aksoy, Emre; Department of Molecular Biology and Genetics (2026-8-07) Drought priming may modify plant responses to later stress, but its effectiveness depends on genotype. This study investigated the effects of drought priming on salinity responses in two bread wheat cultivars, Bayraktar 20...

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