Department of Chemistry, Article

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Toppare, Levent Kamil (426)
Özkar, Saim (280)
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Tanyeli, Cihangir (121)
Demir, Ayhan Sıtkı (117)

Organic Chemistry (348)
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Recent Submissions

Recent progress in wearable extractive sampling technology
Kahremanoglu, Kubra; Kurtalan, Hazal Tosun; Eroglu, Ahmet Emin; Boyacı, Ezel (2022-12-01)
The inevitable incline in the daily exposure to various chemicals has raised a necessity to monitor the body's exposure and biological responses to these stimuli more comprehensively and easily; conceivably, integrating no...
Palladium nanoparticles supported on cobalt(II,III) oxide nanocatalyst: High reusability and outstanding catalytic activity in hydrolytic dehydrogenation of ammonia borane
Akbayrak, Serdar; Özkar, Saim (2022-11-01)
A new palladium(0) nanocatalyst is developed to enhance the catalytic efficiency of precious metal catalysts in hydrogen generation from the hydrolytic dehydrogenation of ammonia borane. Magnetically separable Pd-0/Co3O4 n...
Electrochemical biosensor based on three components random conjugated polymer with fullerene (C60)
KURBANOĞLU, SEVİNÇ; Cevher, Sevki Can; Toppare, Levent Kamil; Çırpan, Ali; Soylemez, Saniye (2022-10-01)
© 2022 Elsevier B.V.Herein, a conjugated polymer and fullerene bearing architecture-based electrochemical Tyrosinase (Tyr) enzyme inhibition biosensor for indomethacin (INDO) drug active compound has been developed. For th...
Amino Acid Conjugated Spiropyrans: Synthesis and Photoisomerization Studies
Şentürk, Bengi; Akdağ, Akın (2022-09-01)
Among photo-switchable compounds, spiropyrans have attracted significant attention owing to their multi-responsiveness towards a change in the pH, solvent polarity, and temperature, along with light. Upon exposure to the e...
Renewable and Recyclable Polymeric Materials for Food Packaging: A New Open Special Issue in <i>Materials</i>.
Jafarzadeh, Shima; Zargar, Masoumeh; Forough, MEHRDAD (2022-08-24)
Coumarin 6H-fused fluorescent probe for highly sensitive detection of coralyne using oligonucleotide-modified silver nanoparticles
Usta, Hatice Müge; Forough, MEHRDAD; Persil Çetinkol, Özgül (2022-08-01)
In this study, a novel, rapid, and sensitive fluorescence sensing platform was developed for the detection of coralyne (COR) by the conjugation of coumarin 6H (C6H) fluorescent dye with oligonucleotide-modified silver nano...
Fabrication of D-A-D type conducting polymer, carbon nanotubes and silica nanoparticle-based laccase biosensor for catechol detection
Deniz, Sıddıka Aybüke; Göker, Seza; Toppare, Levent Kamil; Soylemez, Saniye (2022-08-01)
© 2022 The Royal Society of Chemistry.Herein, the biosensor design incorporates triple key materials based on amino-functionalized silica nanoparticles (SiNPs), both thieno[3,2-b]thiophene and 2,1,3-benzoselenadiazole grou...
Locked and Loaded: ?-Galactosidase Activated Photodynamic Therapy Agent Enables Selective Imaging and Targeted Treatment of Glioblastoma Multiforme Cancer Cells
Almammadov, Toghrul; Elmazoglu, Zubeyir; Atakan, Gizem; Kepil, Dilay; Aykent, Güzide; Kolemen, Safacan; Günbaş, Emrullah Görkem (2022-08-01)
Selective detection and effective therapy of brain cancer, specifically, the very aggressive glioblastoma multiforme (GBM), remains one of the paramount challenges in clinical settings. While radiotherapy combined surgery ...
Functional Group Effects on the Electrochemical Properties of Carboranethiol Monolayers on Au(111) As Studied by Density Functional Theory: Implications for Organic Electronics
Yortanli, Merve; Danışman, Mehmet Fatih; Mete, Ersen (2022-08-01)
Positional isomers of dicarba-doso-dodecaboranethiols with various functional groups (-NO2, -CHO, -CONH2, -F, -Cl, and -OH) were considered on Au(111) forming (3 x 3) and (5 x 5) structures. Dispersion corrected density fu...
Endoplasmic Reticulum Stress-Induced Apoptotic Effects of Novel 1-Pyrroline (3,4-Dihydro-2H-pyrrole) Derivatives on Breast Cancer Cells
Atmaca, Harika; Ilhan, Suleyman; YILDIZ, ESRA; Zora, Metin (2022-07-01)
© 2022 Wiley-VHCA AG, Zurich, Switzerland.Heterocyclic compounds have emerged as promising and appealing scaffolds for developing effective antitumor agents. Here, the effects of synthesized 24 different 1-pyrroline deriva...
The Utilization of Iridium Nanoparticles Impregnated on Metal Oxides (Ceria, Titania, and Zirconia) with a Simple and Ecologically Safe Synthesis Approach in Oxygen Evolution Reactions
Akbayrak, Merve; Önal, Ahmet Muhtar (2022-07-01)
© 2022 The Electrochemical Society (“ECS”). Published on behalf of ECS by IOP Publishing Limited.Oxygen evolution reactions (OERs) have sluggish kinetics, which limits the hydrogen generation from the electrolysis of water...
Effect of random copolymerization on the optical properties of selenophene and thieno[3,4-c]pyrrole-4,6-dione conjugated polymers
Yasa, Mustafa; UDUM, YASEMİN; Toppare, Levent Kamil (2022-07-01)
© 2022For the preparation of conjugated polymers having targeted band gaps, absorption, and optoelectronic properties, the Donor-Acceptor (D-A) approach has been one of the most convenient methods. We synthesized four new ...
Nanoarchitectonics of Fullerene-Based Enzyme Mimics for Osteogenic Induction of Stem Cells.
Yeniterzi, Dilara; Demirsoy, Zeynep; Saylam, Aytül; Özçubukçu, Salih; Gülseren, Gülcihan (2022-06-25)
A boron dipyrromethene chiral at boron and carbon with a bent geometry: synthesis, resolution and chiroptical properties
Işık, Murat; Dündar, Esra; ŞAHİN, Ertan; Tanyeli, Cihangir (2022-06-01)
© 2022 The Royal Society of Chemistry.We report a boron dipyrromethene that is chiral at boron and carbon (B*C*-BODIPY) and accessible through a two-pot, one-step synthesis—an interrupted Knoevenagel condensation. The elec...
Online lubricant degradation monitoring using contact charging of polymers
Karluk, Azimet A.; Ekim, Sunay D.; BAYTEKİN, BİLGE; Baytekin, Hasan Tarık (2022-05-01)
Lubrication of machine parts is necessary to prevent friction and wear in machine operation. However, oxidation of lubricants upon operation changes their chemical and physical properties and causes lubrication performance...
Investigation the effect of π bridge and side chain on photovoltaic properties of benzodithiophene and quinoxaline based conjugated polymers
Taşkaya Aslan, Sultan; Alemdar, Eda; Hacıefendioğlu, Tuğba; UDUM, YASEMİN; Toppare, Levent Kamil; Yıldırım, Erol; Çırpan, Ali (2022-04-15)
© 2022 Elsevier LtdA series of donor–acceptor type alternative polymers containing 2D-BDT and 1D-BDT as the donors and quinoxaline as the acceptor were successfully obtained by Stille coupling reactions. Synthesized polyme...
Synthesis of a Novel and More Sustainable Cationic Bleach Activator, N-[4-(N, N, N)-Triethylammoniumchloride-butanoyl] Butyrolactam, for Cotton: Optimization and Theoretical Limitations
Altay, Pelin; Yıldırım, Erol; Gürsoy, Nevin Çiğdem; Hauser, Peter J.; El-Shafei, Ahmed (2022-04-11)
© 2022 American Chemical Society. All rights reserved.Activated bleach systems have the potential to produce more efficient kinetically potent bleaching systems through increased oxidation rates with reduced energy cost an...
3-Alkynylindoles as Building Blocks for the Synthesis of Electronically Tunable Indole-Based Push-Pull Chromophores.
ERDEN, KÜBRA; Dengiz, Çağatay (2022-03-18)
© 2022 American Chemical Society.In this study, two different classes of push-pull chromophores were synthesized in modest to excellent yields by formal [2+2] cycloaddition-retroelectrocyclization (CA-RE) reactions. N-Meth...
Isoquinolinedione-urea hybrids: Synthesis, antibacterial evaluation, drug-likeness, molecular docking and DFT studies
In the present study, we applied the molecular hybridization approach to combine isoquinolinedione and urea pharmacophores in the same molecules. The hybrid compounds (IU1-IU14) were obtained by the reaction of 2-aminohomo...
Multipurpose acetic acid functionalized carbazole derivatives: Synthesis, electrochemical properties and electrochromic device applications
Özdemir Hacıoğlu, Şerife; YİĞİT, DENİZ; Akbey, Tuba E.; UDUM, YASEMİN; GÜLLÜ, MUSTAFA; DEPCİ, TOLGA; Toppare, Levent Kamil (2022-03-01)
In this study, synthesis of two multifunctional acetic acid functionalized carbazole bearing monomers; 243,6-bis(2,3-dihydrothieno [3,4-b] [1,4]dioxin-5-yl)-9H-carbazol-9-yl)acetic acid (Ml) and 3,6-dithien-2-yl-9H car baz...
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