Department of Chemistry

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Toppare, Levent Kamil (474)
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Recent Submissions

Theoretical and experimental investigation of bridging atom effect on the fluorene and silafluorene based trimeric monomers and their corresponding polymers Demir Arabacı, Elif; Yıldırım, Erol; Önal, Ahmet Muhtar (2023-08-01) A series of monomers bearing fluorene and silafluorene with different bridging atoms and 3,4-ethylenedioxythiophene (EDOT) and 3,4-propylenedioxythiophene (ProDOT) as the donor units were synthesized via Stille coupling. T...
Electrochemical detection of Oxaliplatin induced DNA damage in G-quadruplex structures Osmanoğulları, Sıla Can; FOROUGH, MEHRDAD; Persil Çetinkol, Özgül; UDUM, YASEMİN; Toppare, Levent Kamil (2023-06-15) Oxaliplatin (OXP) is a platinum-based chemotherapeutic agent that induces DNA damage by forming intra- and interstrand crosslinks, mainly at the N7s of adenine (A) and guanine (G) bases. In addition to double-stranded DNA,...
PbSe nanorod-quantum dot bulk nano-heterojunction solar cells generating multiple excitons with record photo conversion efficiencies Kolay, İrem; Asil Alptekin, Demet (2023-06-01) Multi-exciton-generation (MEG) process is critical due to its potential to push solar cell photoconversion efficiencies (PCEs) beyond theoretical limits. However, cells with this feature are rare, as the demonstration of t...
Synthesis of poly(2-isopropyl-2-oxazoline)-b-poly(2-phenyl-2-oxazoline)-b-poly(2-isopropyl-2-oxazoline) and its self-assembly into polymersomes: Temperature-dependent aqueous solution behavior Turan, Cagri; Terzioglu, Ipek; Gündoğdu, Dilara; Erel Göktepe, İrem (2023-06-01) This study reports on synthesis of poly(2-isopropyl-2-oxazoline)-b-poly(2-phenyl-2-oxazoline)-b-poly(2-isopropyl-2-oxazoline) (PiPOX-b-PPhOX-b-PiPOX) by a three-step sequential monomer addition through cationic ring openin...
Disposable paper-based sensors Forough, Mehrdad (Woodhead Publishing Limited, 2023-05-01)
D-A-D type functional conducting polymer: Development of its electrochromic properties and laccase biosensor UDUM, YASEMİN; Aktas Gemci, Melek; Cevher, Duygu; Soylemez, Saniye; Çırpan, Ali; Toppare, Levent Kamil (2023-03-15) Herein, a novel D-A-D type monomer that contains hexylthiophene as the donor and benzo[c][1,2,5]thiadiazole as the acceptor has been electropolymerized successfully to yield P(DTFBT) and its electrochromic properties and p...
A New Ratio-Metric pH Probe, "ThiAKS Green" for Live-Cell pH Measurements Akyol, Ali; Baykal, Doruk; Akdağ, Akın; Sensoy, Ozge; Son, Çağdaş Devrim (2023-3-01) Deviation of the H+ concentration from optimum values within the organelles is closely associated with irregular cellular functions that cause the onset of various diseases. Therefore, determining subcellular pH values in ...
A follow-up investigation: Organic solar cells based on chalcogenophene-Thieno[3,4-c]pyrrole-4,6-dione-chalcogenophene containing random conjugated polymers Alemdar, Eda; Yasa, Mustafa; Çırpan, Ali; Toppare, Levent (2023-03-01) Herein, we conducted a comprehensive comparison between fullerene (FA) and non-fullerene (NFA) acceptor-based organic solar cells (OSCs). Four chalcogenophene-thieno[3,4-c]pyrrole-4,6-dione-chalcogenophene containing rando...
Gel electrolyte modification on D-A-D type conjugated polymer based supercapacitor Çırpan, Ali; Cevher, Duygu; Cevher, Şevki Can (2023-03-01)
Low-cost novel X-shaped hole transport materials for efficient perovskite solar cells: Molecular modelling of the core and schiff base effects on photovoltaic and photophysical properties Abdellah, Islam M.; Yıldırım, Erol; El-Shafei, Ahmed (2023-02-15) Eight molecules with D-π-D molecular motifs coded HTM(1-4)a,b were designed as efficient symmetric hole transporting materials for perovskite solar cells. These HTMs are composed of different core moieties, such as spiro [...
Selective monitoring and treatment of neuroblastoma cells with hydrogen sulfide activatable phototheranostic agent Dirak, Musa; Kepil, Dilay; Almammadov, Toghrul; Elmazoglu, Zubeyir; Cetin, Sultan; Ozogul, Naz; Günbaş, Emrullah Görkem; Kolemen, Safacan (2023-02-01) Activity-based photosensitizers (aPSs) are highly attractive as they offer improved selectivity and better therapeutic outcome in the scope of photodynamic therapy (PDT). Here, a hydrogen sulfide (H2S) responsive iodinated...
Green synthesis of nanomaterials for smart biopolymer packaging: challenges and outlooks Jafarzadeh, Shima; Nooshkam, Majid; Zargar, Masoumeh; Garavand, Farhad; Ghosh, Sabyasachi; Hadidi, Milad; Forough, MEHRDAD (2023-02-01) There are several physical and chemical methods for synthesizing nanomaterials, while the most appropriate techniques involve using green chemistry and eco-friendly material. Recently, green synthesized materials for diffe...
Bis(dipicolylamine) derivatized cellulose microspheres for the sequestration of negatively charged biomembrane bearing species Demirel, Kaan; YILMAZ, OSMAN; Akbulut, Doğan; Türkyılmaz, Serhan (2023-01-01) Spherical materials capable of binding to negatively charged biomembrane bearing species like bacterial cells in still or flowing liquids can have a number of important applications. For example, they could be used to remo...
Cyano-rich donor-acceptor-donor-type NLOphores containing dialkylated triazene and aniline groups* Mammadova, Flora; Inyurt, Fevzi Can; Barsella, Alberto; Dengiz, Çağatay (2023-01-01) Continuous progress on the synthesis of push-pull chromophores is related to their outstanding optoelectronic properties. Expanding scope is a challenge due to the instability of targets and long synthetic strategies. Here...
Downstream signalling of the disease-associated mutations on GPR56/ADGRG1 CEVHEROĞLU, ORKUN; Demir, Nil; Kesici, Mehmet Seçkin; Özçubukçu, Salih; Son, Çağdaş Devrim (2023-01-01) GPR56/ADGRG1 is an adhesion G protein-coupled receptor (GPCR) and mutations on this receptor cause cortical malformation due to the over-migration of neural progenitor cells on brain surface. At pial surface, GPR56 interac...
Synthesis and Characterization of a Luminol Based Chemiluminescent Trimeric System Kesimal, Busra; Balci, Burcu; Çakal, Deniz; Önal, Ahmet Muhtar; Cihaner, Atilla (2023-01-01) A luminol based chemiluminescent trimeric system, namely 2,3-dihydro-5,8-di(thiophen-2-yl)phthalazine-1,4-dione (T2B-Lum), bearing thiophene rings as donor units and 2,3-dihydrophthalazine-1,4-dione as an acceptor unit was...
Click-Type Synthesis of Homoconjugated Push-Pull Chromophores: Computational Investigation of Optical and Nonlinear Optical (NLO) Properties Inyurt, Fevzi Can; Mammadova, Flora; Dengiz, Çağatay (2023-1-01) Homoconjugated push-pull chromophores were obtained by an efficient, click-type formal [2+2] cycloaddition. With these short synthetic transformations, complex chromophore structures were achieved in a single step without ...
N-Propargylic β-enaminones in breast cancer cells: Cytotoxicity, apoptosis, and cell cycle analyses Ilhan, Suleyman; Atmaca, Harika; Yılmaz, Elif Serel; YILDIZ, ESRA; Zora, Metin (2023-01-01) Breast cancer is one of the most common cancers worldwide and the discovery of new cytotoxic agents is needed. Enaminones are regarded to be a significant structural motif that is found in a variety of pharmacologically ac...
Biosensors for nucleic acid detection Forough, Mehrdad (Elsevier Science, Oxford/Amsterdam , 2023-01-01)
Dark conduction mechanisms of PTQBDT based heterojunction diode Gullu, H. H.; Yildiz, D. E.; Hacioglu, S. O.; Çırpan, Ali; Toppare, Levent Kamil (2023-01-01) Al:LiF/PTQBT:PCBM/PEDOT:PSS/ITO/glass organic-based diode is fabricated with different weight ratios in PTQBT:PCBM active layer. The diodes D1, D2 and D3 are prepared using the precursor solution for spin coating process a...

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