Department of Chemistry, Article

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Toppare, Levent Kamil (421)
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Recent Submissions

Attaching azoles to Hantzsch 1,4-dihydropyridines: Synthesis, theoretical investigation of nonlinear optical properties, antimicrobial evaluation and molecular docking studies
GÜNDÜZ, MİYASE GÖZDE; Dengiz, Çağatay; KOÇAK ASLAN, EBRU; Skaro Bogojevic, Sanja; Nikodinovic-Runic, Jasmina (2022-01-05)
© 2021 Elsevier B.V.In the present study, we designed three novel compounds via the combination of two precious nitrogen-containing scaffolds; 1,4-dihydropyridine (DHP) and azole, in the same molecule. To synthesize the ti...
Synthesis of selenophene substituted benzodithiophene and fluorinated benzothiadiazole based conjugated polymers for organic solar cell applications
Taşkaya Aslan, Sultan; Cevher, Duygu; Bolayır, Eda; Hizalan Ozsoy, Gonul; UDUM, YASEMİN; Yıldırım, Erol; Toppare, Levent Kamil; Çırpan, Ali (2021-12-01)
© 2021A series of alternating conjugated copolymers which contain selenophene modified benzodithiophene and fluorine bearing benzothiadiazole have been synthesized via Stille polycondensation reaction to investigate the ef...
Synthesis and electropolymerization of donor-acceptor-donor type monomers based on azobenzene-substituted thieno[3,4-c]pyrrole-4,6-dione acceptors
Çakal, Deniz; CİHANER, ATİLLA; Önal, Ahmet Muhtar (2021-12-01)
By using donor-acceptor-donor approach, a new series of photo responsive and electroactive trimeric monomers, namely (E)-5-(4-(phenyldiazenyl)phenyl)-1,3-di(thiophen-2-yl)-4H-thieno[3,4- c]pyrrole-4,6(5H)-dione (T-2-AB ), ...
Light induced step-growth polymerization of Donor-Acceptor-Donor (DAD) type monomers based on thiophene – [1,2,5] Chalcogenazolo[3,4-f]-benzo [1,2,3] triazole – Thiophene
Kaya, Kerem; Aydan Alkan, Ecem; Yaşa, Mustafa; Süerkan, Ali; Udum, Yasemin; Toppare, Levent Kamil; Yağcı, Yusuf (2021-12-01)
Two new donor-acceptor-donor(DAD) polymers type near-infrared (NIR) absorbing polymers containining thiophene as the donor and [1,2,5] chalcogenazolo [ 3,4-f]-benzo [1,2,3] triazole (chalcoen=S (P1a) or Se (P1b)) derivativ...
Non-fullerene organic photovoltaics based on thienopyrroledione comprising random copolymers; effect of alkyl chains
Yasa, Mustafa; Yılmaz, Ayşen; Alemdar, Eda; Hacioglu, Serife O.; Çırpan, Ali; Toppare, Levent Kamil (2021-11-01)
© 2021 Elsevier LtdTwo new random donor-acceptor (D-A) copolymers, signed as P1 and P2, were designed and synthesized. Electrochemical and spectroelectrochemical measurements were performed to investigate absorption, energ...
Light induced step-growth polymerization of Donor-Acceptor-Donor (DAD) type monomers based on thiophene – [1,2,5] Chalcogenazolo[3,4-f]-benzo [1,2,3] triazole – Thiophene
Toppare, Levent Kamil; Kaya, Kerem; Aydan, Ecem; Yaşa, Mustafa; Süerkan, Ali; Udum, Yasemin; Yağcı, Yusuf (2021-10-01)
Selenophene-containing conjugated polymers for supercapacitor electrodes
Yildiz, Dilber Esra; Cevher, Duygu; Yasa, Mustafa; Çırpan, Ali; Toppare, Levent Kamil (2021-10-01)
In recent years, studies on conjugated polymers have strengthened the researchers' thought that such polymers can play an essential role in developing new generation energy storage devices. Hence conjugated polymer superca...
(In)Distinctive Role of Long Non-Coding RNAs in Common and Rare Ovarian Cancers
Sabol, Maja; Calleja-Agius, Jean; Di Fiore, Riccardo; Suleiman, Sherif; Özcan Kabasakal, Süreyya; Ward, Mark P.; Ozretic, Petar (2021-10-01)
Simple Summary:& nbsp;Ovarian cancers (OCs) are the most lethal form of gynecological tumors. The commonest are high-grade serous OCs, while rare OCs originate from many different cell types, such as epithelial, germ cell,...
Fullerene-Based Mimics of Biocatalysts Show Remarkable Activity and Modularity.
Gülseren, Gülcihan; Saylam, Aytül; Marıon, Antoıne; Özçubukçu, Salih (2021-09-29)
© 2021 American Chemical Society.The design of catalysts with greater control over catalytic activity and stability is a major challenge with substantial impact on fundamental chemistry and industrial applications. Due to ...
Recent advances in heterogeneous catalysts for the effective electroreduction of carbon dioxide to carbon monoxide
Eren, Enis Oğuzhan; Özkar, Saim (2021-09-15)
The electrochemical conversion of carbon dioxide into low carbon fuels is a very convenient way of reducing the concentration of atmospheric CO2, which is the main cause of global warming. CO is known to be the most common...
Electrochemical catechol biosensor based on β-cyclodextrin capped gold nanoparticles and inhibition effect of ibuprofen
Kapan, Beste; Kurbanoglu, Sevinc; Esenturk, Emren Nalbant; Soylemez, Saniye; Toppare, Levent Kamil (2021-09-01)
Herein, β-cyclodextrin-capped gold nanoparticle surface designed for tyrosinase (Tyr)-based nanosensor is proposed and demonstrated. Integration of the β-cyclodextrin-capped gold nanoparticles on graphite electrode surface...
Cobalt ferrite supported platinum nanoparticles: Superb catalytic activity and outstanding reusability in hydrogen generation from the hydrolysis of ammonia borane
Akbayrak, Serdar; Özkar, Saim (2021-08-15)
In this work, platinum(0) nanoparticles are deposited on the surface of magnetic cobalt ferrite forming magnetically separable Pt-0/CoFe2O4 nanoparticles, which are efficient catalysts in H-2 generation from the hydrolysis...
Metal Oxides Supported Cobalt nanoparticles: Active Electrocatalysts for Oxygen Evolution Reaction
Önal, Ahmet Muhtar; Akbayrak, Merve (2021-08-01)
Besides precious metal oxides, non-noble metal oxides are found to be promising materials especially, in the alkaline medium for OER. In this work, Co/MO 2 (M = Ti, Zr, and Ce) catalysts were synthesized with- out using an...
The role of genetic manipulation and in situ modifications on production of bacterial nanocellulose: A review
Moradi, Mehran; Jacek, Paulina; Farhangfar, Azra; Guimarães, Jonas T.; Forough, Mehrdad (2021-07-31)
Natural polysaccharides are well-known biomaterials because of their availability and low-cost, with applications in diverse fields. Cellulose, a renowned polysaccharide, can be obtained from different sources including pl...
Poly(2-ethyl-2-oxazoline-co-ethyleneimine)-block-poly(epsilon-caprolactone) based micelles: synthesis, characterization, peptide conjugation and cytotoxic activity
Gulyuz, Sevgi; Ozkose, Umut Ugur; Khalily, Melek Parlak; Kesici, Mehmet Seçkin; Kocak, Polen; Bolat, Zeynep Busra; KARA, ASLI; ÖZTÜRK, NAİLE; Özçubukçu, Salih; BOZKIR, ASUMAN; Alptürk, Onur; TELCİ, DİLEK; ŞAHİN, FİKRETTİN; Vural, Imran; Yilmaz, Ozgur (2021-07-01)
Here we present self-assembled polymeric micelles as potential delivery systems for therapeutic agents with highly tunable properties. The major goal of this study is to design breast and prostate cancer specific targeting...
Magnetically separable transition metal nanoparticles as catalysts in hydrogen generation from the hydrolysis of ammonia borane
Özkar, Saim (2021-06-15)
© 2021 Hydrogen Energy Publications LLCIt reviews the available reports on the preparation and use of magnetically separable transition metal nanoparticles (TMNs) as reusable catalysts for the hydrolytic dehydrogenation of...
Effect of thiophene, 3-hexylthiophene, selenophene, and Thieno[3,2-b]thiophene spacers on OPV device performance of novel 2,1,3-benzothiadiazole based alternating copolymers
Zeytun Karaman, Cansu; Göker, Seza; Şahin, Ümmügülsüm; Hacıoğlu Özdemir, Şerife; Taşkaya Aslan, Sultan; Hacıefendioğlu, Tuğba; Hızalan, Gönül; Yıldırım, Erol; Çırpan, Ali; Toppare, Levent Kamil (2021-06-01)
A review on platinum(0) nanocatalysts for hydrogen generation from the hydrolysis of ammonia borane
Özkar, Saim (2021-06-01)
This review reports a survey on the progress in developing highly efficient platinum nanocatalysts for the hydrolytic dehydrogenation of ammonia borane (AB). After a short prelude emphasizing the importance of increasing t...
Electrochemical catechol biosensor based on β-cyclodextrin capped gold nanoparticles and inhibition effect of ibuprofen
Toppare, Levent Kamil; Kapan, Beste; Kurbanoğku, Sevinç; Nalbant Esentürk, Emren; Söylemez, Saniye (2021-06-01)
Recyclable Organocatalysts in Asymmetric Synthesis
Susam, Zeynep Dilşad; Tanyeli, Cihangir (2021-05-01)
Chiral organocatalysts are extensively in demand over the past 30 years for the synthesis of asymmetric compounds with remarkable stereoselectivities in high yields. In addition to these great facilities, they are eco-frie...
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