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A Hydroxy-Substituted Trialkyloxonium Ion and Its Oxonium Alkoxide Zwitterion Otsuki, Andrew L.; Alkan, Gizem Atakan; Manabe, Shuhei; Shewa, Wondimagegn T.; Günbaş, Emrullah Görkem; Fettinger, James C.; Mascal, Mark; Hafezi, Nema (2026-05-11) Trialkyl oxonium salts are among the most powerful electrophiles known. They are immediately quenched by nucleophiles like alcohols and halide ions, and are therefore used in unreactive solvents and have non-nucleophilic c...
Rapid Access to 1,2,3,4-Tetrasubstituted Benzenes and 3-Alkenyl-1,2-dihydropyridines DÜNDAR ÖZDOĞAN, BUSE AYŞEN; Zora, Metin (2026-05-04) Herein, we report unprecedented protocols for the synthesis of 1,2,3,4-tetrasubstituted benzenes and 3-alkenyl-1,2-dihydropyridines from readily available N-methyl-N-propargyl beta-enaminones. When subjected to the reactio...
Activatable Silicon-Xanthene Photosensitizer for Photodynamic Therapy of Glioblastoma Karaman, Osman; Kepil, Dilay; FOROUGH, MEHRDAD; Elmazoglu, Zubeyir; Günbaş, Emrullah Görkem (2026-04-01) Background: Photodynamic therapy (PDT) offers a promising complementary strategy for treating glioblastoma multiforme (GBM); however, limited control over photosensitizer activation and reduced efficacy under hypoxic condi...
Computational investigation of diphenyl sulfone based thermally activated delayed fluorescence materials and their optoelectronic properties. Dastemir, Murat; Gürsöz, Ekinsu; Yıldırım, Erol (2026-03-18)
Matrix-Dependent Effects of Phytic Acid on Konjac Glucomannan and Hyaluronic Acid Films for Biomedical Applications Zasada, Lidia; Gençer, İpek; Chmielniak, Dorota; Brzezinska, Maria Swiontek; Wróbel, Monika; Dembińska, Katarzyna; Sobiepanek, Anna; D'Amora, Ugo; Kaczmarek-Szczepańska, Beata (2026-03-01) Chronic wounds and bacterial infections present significant challenges in tissue regeneration, demanding the development of advanced bioactive materials that balance biocompatibility, antimicrobial activity, and tunable ph...
Computational investigation of diphenyl sulfone based thermally activated delayed fluorescence materials and their optoelectronic properties Dastemir, Murat; Gürsöz, Ekinsu; Yildirim, Erol (Elsevier BV, 2026-3)
Battery-Free Near Field Communication (NFC)-Assisted Advanced Ethanol Sensing Platform Based on Conjugated Polymer Nanoparticles OSMANOĞULLARI, SILA CAN; Soyler, Dilek; Varlioglu Yaylali, Figen; Karabag, Aliekber; Yeniterzi, Dilara; Timur, Suna; Günbaş, Emrullah Görkem; Soylemez, Saniye (2026-01-23) The incorporation of biorecognition elements with electronic components into point-of-care testing (POCT) devices expands their capabilities and enables intricate quantitative assays. The combination of near field communic...
Facile one-pot synthesis of 5-alkylidene-2,3,5,6,7,8-hexahydroimidazo[1,2-a]pyridines Korkmaz, Esra; Zora, Metin (2026-01-01) A straightforward and efficient one-pot protocol for the synthesis of 5-alkylidene-2,3,5,6,7,8-hexahydroimidazo[1,2-a]pyridines is reported. When subjected to reaction with ethylenediamine in refluxing dioxane, bis-α,β-alk...
The Dynamic Energy Band Model of Contact-Separation and Sliding Mode Triboelectric Charging of Polymers at the Metal-Polymer Interface Ekim, Sunay Dilara; Yavuz, Zelal; Çalışkan, Tuğba Demir; Güler, Hande; Baytekin, Hasan Tarık (2026-01-01) Surfaces are central to human technology, with most historical achievements linked to their manipulation, yet insulating polymers often experience wear, abrasion, and electrostatic charging upon contact with other material...
Evaluation of chemical and rheological properties of warm mix asphalt binders considering binder source, additive type, and aging Yildirim, Semiha Uhde; Tanyeli, Cihangir; Güler, Ali Murat; Öztürk, Hande Işık (2026-01-01) Warm mix asphalt (WMA) technologies have long been used without compromising the performance of asphalt concrete. However, no research has yet investigated the chemo-mechanisms of WMA-modified binders considering the effec...
3,4-Ethylenedioxythiophene-quinoxaline based polymer electrode for symmetric supercapacitors on rigid and flexible platforms Cansu Ergun, Emine Gul; Önal, Ahmet Muhtar (2025-12-30) The increasing demand for lightweight, flexible, and reliable energy storage devices drives the exploration of advanced electrode materials for supercapacitors. Conjugated donor-acceptor polymers are promising candidates b...
Assessment of thermal and solvent stable SPME fibers for volatilome investigation through in vitro experiments with cancer cell lines Filipiak, Wojciech; Çakmakçı, Merve; Sevgen, Sılanur; Szeliska, Paulina; Jaroch, Karol; Kara, Atakan; Kahremanoğlu, Kübra; Bojko, Barbara; Boyacı, Ezel (2025-12-08) Background: solid phase microextraction (SPME) was introduced to bioanalysis years ago, but still, it did not find its place in routine analysis, despite the many advantages it offers. The limited number of commercial devi...
Engineered Fullerene-Based Enzyme Mimics for Enhanced Sensing of Aqueous-Phase Reactions Using Liquid Crystals Karaman, Deniz; Akar, Elif; Saylam, Aytul; Özçubukçu, Salih; Büküşoğlu, Emre (2025-11-13) The responsive interfaces formed by thermotropic liquid crystals (LC) and aqueous phases have been utilized in reactive and catalytic applications, yet their utilization in enzymatic studies has been dominated by natural e...
An All-Conjugated, PM6-Based Block Copolymer Enables Stable Nanoparticle Dispersions in Methanol Daum, Manuel; Aydan Alkan, Ecem; Gubanov, Kirill; Rocha-Ortiz, Juan S.; Maraslioglu, Cem; Çırpan, Ali; Fink, Rainer H.; Hauch, Jens; Heumuller, Thomas; Brabec, Christoph J. (2025-11-04) Organic semiconductors are commonly processed using toxic halogenated or aromatic solvents due to their poor solubility in less harmful alternatives, leading to significant environmental and health concerns. Although there...
Impact of Azobenzene Side Chains on the Ultraviolet–Visible and Fluorescence Properties of Coumarin Derivatives Akdis, Yasemin; Akdağ, Akın (2025-10-28) The effect of photoswitchable compounds on the light-emitting properties of nanoparticles has been drawing increasing attention. To investigate the effect of photoswitchable azobenzene units on the photophysical properties...
High-performance bifunctional electrochromic-supercapacitor devices based on indole derivative copolymerized with 3,4-ethylenedioxythiophene Hosseini, Shadi; UDUM, YASEMİN; Toppare, Levent Kamil (2025-10-01) The integration of energy storage and electrochromic functionalities into a single device holds great promise for smart windows, displays, and energy-efficient systems. This study presents the first bifunctional electrochr...
Effect of Ag Doping on Thermoluminescence Properties and Radiation Dosimetry Performance of MgB₄O₇ Toktamis, Dilek; Iflazoglu, Sera; Toktamis, Hüseyin; Yılmaz, Ayşen; Yazıcı, Ahmet Necmeddin (2025-10-01) This study investigates the thermoluminescence (TL) properties of silver (Ag)-doped magnesium tetraborate (MgB₄O₇, MBO) for radiation dosimetry applications. MBO, known for its tissue-equivalent properties, was synthesized...
Catalytic Application of a Zwitterionic Polymeric Network for Hydrogen Generation via Sodium Borohydride Methanolysis Gokkus, Kutalmis; KAYA, ŞEFİKA; Gur, Mahmut; YILDIZ, DERYA; Yıldırım, Erol; DEMİR KIVRAK, HİLAL; BÜTÜN, VURAL (2025-10-01) Hydrogen energy is widely regarded as one of the most promising alternatives to fossil fuels. This study focuses on the synthesis of an environmentally friendly zwitterionic polymer catalyst, Poly(Quaternized-2-diethylamin...
Drastic Impact of Donor Substituents on Xanthenes in the PDT of Glioblastoma Karaman, Osman; Yesilcimen, E.; Forough, M.; Elmazoglu, Z.; Günbaş, Emrullah Görkem (2025-10-01) Even though significant progress has been made in treating various cancer types, brain cancers lag drastically. Several factors contribute, led by operational difficulties, the blood-brain barrier, and the tendency of recu...
Liquid Crystals that Respond to the Aqueous Phase Reactions Catalyzed by Synthetic Enzyme Mimics Karaman, Deniz; Saylam, Aytul; Akar, Elif; Özçubukçu, Salih; Büküşoğlu, Emre (2025-09-15) Liquid crystal (LC)-aqueous soft interface sensors have shown potential toward a wide range of analytes, which also include tracking of their reactions. While these sensors have shown promise in studying enzymatic activity...

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