WoS İndeksli Yayınlar Koleksiyonu
Permanent URI for this collectionhttps://hdl.handle.net/20.500.12573/394
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Article Architecture as a Tool of Social Modernization: Social Centers in Sumerbank Textile Factories During Early Republican Turkiye(Editura Univ Ion Mincu, 2025) Sozuer, Irem Baz; Semiz, Nisa; Baz Sözüer, İremBook Part A Typo-Structural Exploration of the Monumental Portals of Sinan’s 16th-Century Ottoman Mosques in Istanbul(Springer Science and Business Media B.V., 2026) Elagöz Timur, Bahar; Timur, Bahar ElagozOttoman architectural portals are significant as grand entrances to mosque complexes, symbolizing the transition from the secular to the sacred. Their design reflects the artistic sophistication of the Ottoman Empire, blending functionality with aesthetic appeal. This article highlights significant aspects of monumental portal construction, showcasing a blend of form, materials, and engineering that exemplifies architectural progress. These portals are monumental entrances to mosque complexes, embodying the structural integrity and aesthetic of Ottoman architecture. Key features include load-bearing systems that distribute weight and provide stability, combining arches and columns to create large openings without sacrificing strength. These elements enhance the portals' visual grandeur and durability time. A study was conducted on the monumental portals of 16th-century mosques designed by Architect Sinan, widely regarded as the most famous Turkish architect. Within the scope of this study, the structural analysis of these masonry portals of five mosques - Sehzade Mehmed, Uskudar Mihrimah Sultan, Rustem Pasha, Edirnekapi Mihrimah Sultan, and Kilic Ali Pasha mosques- will be carried out. It examines the material properties, the arrangement of structural elements, and the relationship between the portals and the main structures according to the load-carrying principles. The analysis is supported by typological studies and 3d models, allowing for a comprehensive comparison across the selected examples. These, commissioned by prominent political figures and built by Turkey's greatest architect, are significant historical architectural components that establish a connection with the public. Therefore, these structural analyses and documentation are proposed to contribute to their conservation.Book Part Citation - WoS: 1Citation - Scopus: 1Learning from Damaged Historic Constructions: Recent Earthquakes in Turkey(Springer Science and Business Media B.V., 2026) Kishalı, Emre; Balcı, Esra; Almaç, Umut; Semiz, Nisa; Türer, Ahmet; Kambek, Erkan; Koç, SüheylaIn February 2023, the southeastern region of Turkiye was struck by significant earthquakes along the Eastern Anatolian Fault Zone, resulting in widespread destruction and substantial loss of life. The intense ground movements caused severe damage to the area's architectural heritage, impacting numerous historic buildings that represent a range of periods, functions, scales, construction techniques, and materials. The regions affected by these earthquakes presented a unique opportunity for analysing the damage to cultural assets, a chance that may not present itself again for some time. It is crucial to collect data on the damage sustained by these structures and to leverage this knowledge for their future preservation. The quality of masonry walls in damaged buildings raises important concerns, particularly regarding the bond patterns and the quality of the binding mortar. Damage has also been observed in vaulted monuments. Many of these structures lack tie systems capable of withstanding lateral forces, which would enhance the structural behaviour during earthquakes. Additionally, past restoration efforts warrant attention, particularly in repair interventions such as reintegration; it has been noted that traditional construction practices were often overlooked. The structural relationship between old and new materials was not fully established, and insufficient measures were taken to reinforce this connection, rendering the repairs less effective. The text highlights the evaluation of earthquake damage at the scale of individual structures, with a particular emphasis on damage types associated with restoration practices implemented in the past. This methodology enables the development of appropriate recommendations to address conservation issues. The data used in this study were derived from various projects, particularly those focused on assessing architectural heritage affected by the February 2023 earthquakes, in which the authors were actively engaged.Article An Elementary Proof of Lucas's Theorem(Ramanujan Mathematical Society, 2025) Cinkir, ZubeyirLucas's Theorem is about finding the result of a binomial coefficient modulo a prime p efficiently. The result is expressed as a product of binomial coefficients involving the base p expansions of the parameters of the original binomial coefficient. We give an elementary proof of Lucas's Theorem by deriving an analogous Vander-monde identity modulo a prime number.Erratum Correction to “Multifaceted Effects of the Dielectric Component within Plasmon-Assisted Light-Emitting Structures”(American Chemical Society, 2025-12-17) Kulakovich, O.; Muravitskaya, A.; Ramanenka, A.; Efimova, T.; Krukov, V.; Mutlugün, E.; Gaponenko, S.In the original version of the article, the affiliation of Hilmi Volkan Demir needs following correction. The first affiliation of the author “Department of Electrical-Electronics Engineering, Abdullah Gul University, Kayseri 38080, Turkey” should be replaced by the affiliation “UNAM – Institute of Materials Science and Nanotechnology and The National Nanotechnology Research Center and Department of Electrical and Electronics Engineering, Department of Physics, Bilkent University, Ankara 06800, Turkey”. Therefore, the correct affiliations for H.V.D. are “UNAM – Institute of Materials Science and Nanotechnology and The National Nanotechnology Research Center and Department of Electrical and Electronics Engineering, Department of Physics, Bilkent University, Ankara 06800, Turkey; LUMINOUS! Center of Excellence for Semiconductor Lighting and Displays, School of Electrical and Electronic Engineering, School of Physical and Mathematical Sciences, School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore”. © 2025 American Chemical SocietyArticle Citation - WoS: 2High-Accuracy Identification of Durian Leaf Diseases: A Convolutional Neural Network Approach Validated with K-Fold Cross-Validation and Bayesian Optimization(Springer, 2025-11-18) Soylemez, Ismet; Nalici, Mehmet Eren; Unlu, RamazanTo address the economic losses caused by plant diseases in durian farming, this study presents an optimized deep learning model that diagnoses diseases from leaf images with high accuracy. The model's performance is maximized through Bayesian optimization and hyperparameter tuning, while its reliability is maximized through layered five-fold cross-validation. Training the convolutional neural network model on 2595 leaf images displaying six different states (five diseased and one healthy) resulted in an average test accuracy of 91.98%. This high, consistent success rate demonstrates the model's generalizability to different datasets without overfitting. While the 'Healthy' and 'Algal' classes were successfully detected with high F1-scores, there are difficulties distinguishing between the 'Blight' and 'Colletotrichum' classes due to visual similarities. This study establishes a new reference point for durian disease classification and makes a significant contribution to the development of reliable artificial intelligence-based diagnostic tools for precision agriculture.Article Citation - WoS: 4Citation - Scopus: 3Multifaceted Effects of the Dielectric Component Within Plasmon-Assisted Light-Emitting Structures(American Chemical Society, 2025-10-23) Kulakovich, O.; Muravitskaya, A.; Ramanenka, A.; Efimova, T.; Krukov, V.; Mutlugün, E.; Gaponenko, S.Plasmon-enhanced photoluminescence of molecular probes and semiconductor nanocrystals is a rapidly developing field that promises enhanced sensitivity in chemical and biomedical analyses, as well as higher efficiency of light-emitting devices and single-photon sources. The dielectric component, or spacer, is typically used to control the distance between the emitter and the plasmonic nanoparticle in order to decrease undesirable nonradiative energy transfer to the metal and achieve high enhancement efficiency. While most research focuses on the shape and organization of the plasmonic nanoparticles, less attention is given to the role of the dielectric component in plasmon-enhancing structures. Meanwhile, the dielectric shell or environment critically modulates near-field enhancement, far-field scattering, charge and energy exchange between the emitter and the plasmonic structure, and the general environmental stability of the structure. In this review, we discuss all mentioned topics and therefore consider both the optical and chemical influence of the widely used spacers and dielectric layers on plasmon-enhanced photoluminescence efficiency. Investigating the role of individual components in plasmon-assisted light-emitting structures is critical for optimizing device performance and for advancing the integration of plasmonic architectures in optoelectronic and sensing applications. This review challenges the passive interpretation of dielectrics, revealing them as one of the key players in plasmonic structures, mediating field enhancement, emission dynamics, and chemical stability simultaneously. © 2025 American Chemical SocietyArticle Use of Confocal Microscopy to Monitor Structural Transformations in Nanopillars Based on DNA and CdSe/CdZnSe Quantum Dots(Springer, 2023-06-24) Motevich, I. G.; Erdem, T.; Akrema, A.; Maskevich, S. A.; Strekal, N. D.Chip system prototypes in the form of nanopillars were created from DNA complexes with CdSe/CdZnSe/ZnS quantum dots immobilized on a plasmonic gold fi lm by the use of vacuum deposition technology and inorganic synthesis. The design and presence of terminal DNA labeled with Cy3 cyanine dyes makes it possible to carry out the hybridization reaction of this terminal strand with complementary DNA and to control the process by variation of the giant Raman scattering (GRS) and the fluorescence signal. The effect of molecular recognition of complementary DNA is accompanied by a change in the GRS spectrum, a 20-fold increase in the fluorescence intensity, and a decrease in the duration of fluorescence decay.Conference Object Twist-Bend Instability of a Cantilever Beam Subjected to an End Load via Homotopy Perturbation Method(Amer Inst Physics, 2018) Yucesoy, Ahmet; Coskun, Safa Bozkurt; Atay, Mehmet Tarik; Cesoy, AhmetIn this article, twist-bend buckling analysis of a cantilever beam subjected to a concentrated end load is conducted using Homotopy Perturbation Method (HPM). Even in the linear stability analysis, obtaining an exact solution for some cases is not an easy task. However, by the use of HPM this difficulty can be overcome easily. This issue is presented with a case study and the results show that HPM can be used successfully in the analysis of twist-bend buckling of beams.Article Citation - WoS: 1Citation - Scopus: 1Tomatidine, a Steroidal Alkaloid, Synergizes With Cisplatin to Inhibit Cell Viability and Induce Cell Death Selectively on FLT3-ITD+ Acute Myeloid Leukemia Cells(Humana Press inc, 2024-07-11) Ayvaz, Havva Berre; Yenigul, Munevver; Akcok, Emel Basak Gencer; Gencer Akçok, Emel BaşakBackgroundAcute Myeloid Leukemia (AML) is a hematological cancer that frequently presents with a range of side effects and drug resistance during anticancer drug treatment. The current study aims to achieve increased efficacy by combining lower doses of cisplatin with increasing concentrations of tomatidine in AML cells to increase efficacy.MethodsAnti-proliferative effects of single and combination of cisplatin and tomatidine were assessed via MTT cell viability assay. The Annexin V/Propidium Iodide Double Staining method was used to measure the apoptotic effects of combined tomatidine and cisplatin treatment. Then, Western Blot analysis was performed to measure Poly (ADP-ribose) polymerase (PARP) and Caspase-3 protein expression levels.ResultsCisplatin treatment with lower concentrations displayed high cytotoxic effects on AML cells, compared with tomatidine. The combination of the Inhibitory Concentration (IC) 20 value of cisplatin and increasing doses of tomatidine exhibited a significant decrease in cell viability relative to single treatments. The combination index analysis revealed a mild synergistic effect of cisplatin IC20 and varying tomatidine doses. The apoptosis induced when cisplatin was combined with 500 mu M tomatidine by almost 20%, while the percentage of apoptosis in combination with 1 mM tomatidine was measured by 50% for both cell lines. The upregulation of proapoptotic cleaved-PARP (3.2 and 1.08-fold for THP-1 and MOLM-13, respectively) and downregulation in Caspase-3 (0.23 and 0.13-fold for THP-1 and MOLM-13, respectively) was detected.ConclusionsTogether, the study indicated that when tomatidine combined with cisplatin on AML cell lines, a combinatorial anti-proliferative and apoptotic effect is observed. The combination of cisplatin with tomatidine may be a promising approach.