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Novel electrospun-based extractive probes for rapid determination of clinically important compounds in human plasma Temel, Ezgi Rana; Eroğlu, Ahmet E.; SALİH, BEKİR; Boyacı, Ezel (2024-07-11) Background: Coated blade spray (CBS) represents an innovative approach that utilizes solid-phase microextraction principles for sampling and sample preparation. When combined with ambient mass spectrometry (MS), it can als...
Synthesis, molecular modeling, DFT studies, and EPR analysis of 1,4-dihydropyridines as potential calcium channel blockers KOÇAK ASLAN, EBRU; Lam, Kevin; Dengiz, Çağatay; Denzinger, Katrin; Dicle Erdamar, Isık Yesim; Huang, Sun; Zamponi, Gerald W.; Wolber, Gerhard; GÜNDÜZ, MİYASE GÖZDE (2024-07-05) 1,4-Dihydropyridines (DHPs) are widely recognized as a highly effective class of L-type calcium channel blockers that offer significant therapeutic potential in managing cardiovascular conditions. Furthermore, their abilit...
Theoretical investigation on graphene induced self-alignment of donor-acceptor structures Haciefendioglu, Tugba; Aytemiz, Muhammet E.K.; Korhan, Hamza; Yıldırım, Erol (2024-06-20) Non-covalent functionalization of graphene (Gr) with conducting polymers (CPs) improves the electrical and mechanical properties of both materials owing to the noncovalent π-π stacking interaction between the surface and t...
Evaluation of Novel Spiro-pyrrolopyridazine Derivatives as Anticancer Compounds: In Vitro Selective Cytotoxicity, Induction of Apoptosis, EGFR Inhibitory Activity, and Molecular Docking Analysis Atmaca, Harika; Ilhan, Suleyman; Çamli Pulat, Çisil; Dündar, Buse Ayşen; Zora, Metin (2024-06-04) Cancer, characterized by uncontrolled cell proliferation, remains a global health challenge. Despite advancements in cancer treatment, drug resistance and adverse effects on normal cells remain challenging. The epidermal g...
Sialic Acid-Functionalized Gold Nanoparticles for Sensitive and Selective Colorimetric Determination of Serotonin Avcı, Begüm; Akpınar, Yeliz; Ertaş, Gülay; Volkan, Mürvet (2024-06-04) We present a novel colorimetric method inspired by nature’s complex mechanisms, capable of selectively determining serotonin with high sensitivity. This method exploits the inherent binding affinity of serotonin with siali...
Structural proteomics of a bacterial mega membrane protein complex: FtsH-HflK-HflC Akkulak, Hatice; İnce, H. Kerim; Goc, Gunce; Lebrilla, Carlito B.; Kabasakal, Burak V.; Özcan Kabasakal, Süreyya (2024-06-01) Recent advances in mass spectrometry (MS) yielding sensitive and accurate measurements along with developments in software tools have enabled the characterization of complex systems routinely. Thus, structural proteomics a...
Coating effects of a strain sensor on durability and sensitivity using the fiber loop ringdown spectroscopy technique KAYA, BURAK MALİK; Esentürk, Okan; AŞICI, CELAL; Sarac, Umut; DINDIŞ, GÖKHAN; BAYKUL, MEVLANA CELALETTİN (2024-05-01) A sensor region in a single-mode optical fiber loop was created and utilized in order to study the coating effect on sensor durability and system sensitivity by the Fiber Loop Ringdown Spectroscopy (FLRDS) technique. The s...
In vitro study on the competitive reactions between arsenite and selenite with glutathione Özkan, Canan Höçük; ATAKAY, MEHMET; SALİH, BEKİR; Ertaş, Gülay (2024-05-01) Exposure to arsenic can cause various biological effects by increasing the production of reactive oxygen species (ROS). Selenium acts as a beneficial element by regulating ROS and limiting heavy metal uptake and translocat...
Application of fiber loop ringdown spectroscopy technique for a new approach to beta-amyloid monitoring for Alzheimer Disease’s early detection KAYA, BURAK MALİK; ÖZ, SEMİH; Esentürk, Okan (2024-05-01) A novel fiber optic biosensor was purposed for a new approach to monitor amyloid beta protein fragment 1-42 (Aβ42) for Alzheimer’s Disease (AD) early detection. The sensor was fabricated by etching a part of fiber from sin...
Layer-by-layer assembly of chitosan/alginate thin films containing Salmonella enterica bacteriophages for antibacterial applications Tidim, Gökçe; Guzel, Mustafa; Soyer, Yeşim; Erel Göktepe, İrem (2024-03-15) The emergence of antibiotic resistant bacteria and the ineffectiveness of routine treatments inspired development of alternatives to biocides for antibacterial applications. Bacteriophages are natural predators of bacteria...
Advanced technologies in biodegradable packaging using intelligent sensing to fight food waste Jafarzadeh, Shima; Yildiz, Zeynep; Yildiz, Pelin; Strachowski, Przemyslaw; Forough, MEHRDAD; Esmaeili, Yasaman; Naebe, Minoo; Abdollahi, Mehdi (2024-03-01) The limitation of conventional packaging in demonstrating accurate and real-time food expiration dates leads to food waste and foodborne diseases. Real-time food quality monitoring via intelligent packaging could be an eff...
Competing Intermolecular and Molecule-Surface Interactions: Dipole-Dipole-Driven Patterns in Mixed Carborane Self-Assembled Monolayers White, Katherine E.; Avery, Erin M.; Cummings, Edison; Hong, Zixiang; Langecker, Jens; Vetushka, Aliaksei; Dušek, Michal; Macháček, Jan; Višnák, Jakub; Endres, Jan; Bastl, Zdeněk; Yılmaz, Ayşen; Alexandrova, Anastassia N.; Baše, Tomáš; Weiss, Paul S. (2024-02-27) Carboranedithiol isomers adsorbing with opposite orientations of their dipoles on surfaces are self-assembled together to form mixed monolayers where both lateral dipole-dipole and lateral thiol-thiolate (S-H···S) interact...
Asymmetric Synthesis of Trifluoromethyl Substituted Spiro[Indoline‐3,4′‐Pyrano[2,3‐c]Pyrazole] Derivatives with Organocatalysts Özcan, Bilge Deniz; Kömüşdoğan, Ezgi Bayer; Şahin, Ertan; Tanyeli, Cihangir (2024-02-01) Spirocyclic compounds have always attracted attention due to their presence as a structural core in a wide variety of natural and bioactive molecules and to exhibit pharmaceutical proper ties. An asymmetric synthesis of ...
1,3‐Diynes as Precursors for the Synthesis of Triazene‐ and Diethylaniline‐Bearing Push‐Pull NLOphores Inyurt, Fevzi Can; Dengiz, Çağatay (2024-02-01) Withinthe scopeof this study,a total of eight new NLOphoresof the D-π-A-π-Dtype have been synthesized.This was achievedby applyingclick-type[2+2] cycloaddition-retroelectrocycliza-tion reactionsof unsymmetrical1,3-diyneswi...
Potential effect dietary supplementation of calcium tetraborate in quails exposed to cadmium: Its impact on productive performance, oxidative stress, cecal microflora, and histopathological changes Mutlu, Muhsin; Simsek, Ulku Gulcihan; İflazoğlu, Sera; Yılmaz, Ayşen; Karabulut, Burak; Incili, Canan Akdeniz; Cevik, Aydın; Incili, Gokhan Kursad; Seven, Pinar Tatli; Iflazoglu Mutlu, Seda (2024-01-15) Cadmium (Cd) is a ubiquitous environmental pollutant, and Cd exposure harms human health, agriculture, and animal husbandry. The present study aimed to investigate the potential protective effect of dietary supplementation...
Rational Design of an Acceptor-Chromophore-Relay-Catalyst Tetrad Assembly for Water Oxidation Chalil Oglou, Ramadan; Ulusoy Ghobadi, Turkan Gamze; Saylam, Aytul; Bese, Damla; Bese, Cagri; Yaglioglu, Gul; Özçubukçu, Salih; Ozbay, Ekmel; Karadas, Ferdi (2024-01-01) We report the step-by-step synthesis of a precious metal-free acceptor-chromophore-relay-catalyst tetrad assembly that exhibits a turnover frequency (TOF) of 7.5 × 10−3 s−1 under neutral conditions. Transient absorption sp...
Asymmetric aza-Henry reaction of BOC-protected imines with zinc-FAM catalyst Beksultanova, Nurzhan; Doğan, Özdemir (2024-01-01) Derivatives of ferrocenyl-substituted aziridinyl methanol (FAM) ligands were used with zinc metal for asymmetric aza-Henry (nitro-aldol) reaction of N-Boc protected imines with nitroalkanes. At optimized reaction condition...
How do we get across? Impact of bridging aromatic units on the optical, electronic, and photovoltaic properties of donor-acceptor polymers Dikbıyık, Dilan Ece; Karakurt, Oğuzhan; Cevher, Duygu; Ozsoy, Gonul Hizalan; Yıldırım, Erol; Cirpan, Ali (2024-01-01) A series of donor - π - acceptor (D- π -A) type polymers (P1, P2, and P3) containing benzodithiophene (BDT) as donor unit and benzothiadiazole (BT) as acceptor unit were designed and synthesized by incorporating diverse el...
Facile preparation of a conjugated polymer-based biosensor for glucose monitoring BULUT, UMUT; Cevher, Şevki Can; SAYIN, Vuslat Öykü; Özbek, Sevgi Sarıgül; Altın, Nevra; Çırpan, Ali; Söylemez, Saniye (2024-01-01) Diabetes is an important public health problem all over the world that affects the quality of life, and its late diagnosis leads to serious complications such as stroke, blindness, limb amputations, and kidney failure. Fab...
Enhancing electrochromic supercapacitor electrode performance through different donor compartments in D-A-D type conjugated polymers Cevher, Duygu; Cevher, Şevki Can; Toppare, Levent Kamil; Çırpan, Ali (2023-12-25) Conjugated polymers (CPs), particularly donor-acceptor-donor (D-A[sbnd]D) type polymers, have emerged as promising materials as supercapacitor electrode. In this study, 3-hexylthiophene and ethylenedioxythiophene (EDOT) as...

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