Department of Chemistry, Article

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Toppare, Levent Kamil (416)
Özkar, Saim (275)
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Tanyeli, Cihangir (118)
Demir, Ayhan Sıtkı (117)

Materials Chemistry (347)
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Recent Submissions

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...
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)
© 2021Herein, 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 s...
Cobalt ferrite supported platinum nanoparticles: Superb catalytic activity and outstanding reusability in hydrogen generation from the hydrolysis of ammonia borane
Akbayrak, Serdar; Özkar, Saim (2021-08-01)
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...
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)
© 2021 Elsevier B.V.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 ...
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...
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)
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)
Highly conjugated visible and near-infrared light photoinitiating systems for radical and cationic polymerizations
Suerkan, Ali; Aydan Alkan, Ecem; Kaya, Kerem; Udum, Yasemin; Toppare, Levent Kamil; Yağcı, Yusuf (2021-05-01)
In this communication, we report highly conjugated thiophenes having [1,2,5]-thiadiazolo and [1,2,5]-selenadiazolo [3,4-f]-benzo [1,2,3] triazole in conjunction with diphenyliodonium hexafluorophosphate salt(DPI) as new vi...
Peptidotriazolamers Inhibit A beta(1-42) Oligomerization and Cross a Blood-Brain-Barrier Model
Tonali, Nicolo; Hericks, Loreen; Schroeder, David C.; Kracker, Oliver; Krzemieniecki, Radoslaw; Kaffy, Julia; Le Joncour, Vadim; Laakkonen, Pirjo; Marıon, Antoıne; Ongeri, Sandrine; Dodero, Veronica I.; Sewald, Norbert (2021-05-01)
In peptidotriazolamers every second peptide bond is replaced by a 1H-1,2,3-triazole. Such foldamers are expected to bridge the gap in molecular weight between small-molecule drugs and protein-based drugs. Amyloid beta (A b...
Polyhedral oligomeric silsesquioxanes appended conjugated soluble polymers based on thieno[3,4-c]pyrrole-4,6,dione acceptor unit
Çakal, Deniz; CİHANER, ATİLLA; Önal, Ahmet Muhtar (2021-05-01)
A series of new donor-acceptor-donor type fluorescent molecules incorporating thieno[3,4-c]pyrrole-4,6-dione (TPD) as the acceptor unit were synthesized. TPD acceptor unit was modified with polyhedral oligomeric silsesquio...
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...
The effect of polyacid on the physical and biological properties of chitosan based layer-by-layer films
Saracogullari, Nihan; Gündoğdu, Dilara; Özdemir, Fatma Neslihan; Soyer, Yeşim; Erel Göktepe, İrem (2021-05-01)
This study aimed to understand the structure-property relationship in chitosan (CHI) based layer-by-layer (LbL) films and to correlate the surface properties with the biological characteristics of the multilayers. LbL film...
Highly-sensitive and fast detection of human telomeric G-Quadruplex DNA based on a hemin-conjugated fluorescent metal-organic framework platform
Javan Kouzegaran, Vahid; Farhadi, Khalil; Forough, Mehrdad; Bahram, Morteza; Persil Çetinkol, Özgül (Elsevier BV, 2021-04-15)
© 2021 Elsevier B.V.The formation of G-quadruplex (G4) structures in Human telomeric DNA (H-Telo) has been demonstrated to inhibit the activity of telomerase enzyme that is associated with the proliferation of many cancer ...
Synthesis and evaluation of tumor-homing peptides for targeting prostate cancer
Nezir, Ayca Ece; PARLAK KHALİLY, MELEK; Gulyuz, Sevgi; Özçubukçu, Salih; KÜÇÜKGÜZEL, ŞÜKRİYE GÜNİZ; Yilmaz, Ozgur; TELCİ, DİLEK (2021-04-01)
High toxicity caused by chemotherapeutic drugs and the acquisition of drug resistance by cancer cells are the major drawbacks in cancer therapy. A promising approach to overcome the posed barriers is conjugating tumor-homi...
Crystal structure determination and computational studies of 1,4-dihydropyridine derivatives as selective T-type calcium channel blockers
GÜNDÜZ, MİYASE GÖZDE; Armakovic, Sanja J.; Dengiz, Çağatay; Tahir, Muhammad Nawaz; Armakovic, Stevan (2021-04-01)
Different types of calcium channels are crucial regulators of many key physiological functions throughout the body. Therefore, calcium channel modulators are accepted as precious molecules for the therapeutic intervention ...
Polymer interfaces with carbon nanostructures: First principles density functional theory and molecular dynamics study of polyetheretherketone adsorption on graphene and nanotubes
Toraman, Gozdenur; Sert, Elif; Gulasik, Hasan; Toffolı, Danıele; Toffoli, Hande; Gürses, Ercan (2021-04-01)
The interface of polyetheretherketone (PEEK) with carbon nanotubes (CNTs) and graphene is investigated using density functional theory and molecular dynamics within the REAXFF-lg interatomic interaction framework. The depe...
A robust optimization approach for the breast cancer targeted design of PEtOx-b-PLA polymersomes
Oz, Umut Can; Bolat, Zeynep Busra; Ozkose, Umut Ugur; Gulyuz, Sevgi; Kucukturkmen, Berrin; Khalily, Melek Parlak; Özçubukçu, Salih; Yilmaz, Ozgur; Telci, Dilek; ESENDAĞLI, GÜNEŞ; Sahin, Fikrettin; Bozkir, Asuman (2021-04-01)
© 2021 Elsevier B.V.The equipping of nanoparticles with the peptide moiety recognizing a particular receptor, enables cell or tissue-specific targeting, therefore the optimization of the targeted nanoparticles is a key fac...
Ammonia Sensing Performance of Polyaniline-Coated Polyamide 6 Nanofibers
Pang, Zengyuan; Yıldırım, Erol; Pasquinelli, Melissa A.; Wei, Qufu (2021-04-01)
To understand the properties of polyaniline (PANI), aim gas, and the interaction between them in PANI-based gas sensors and help us to design sensors with better properties, direct calculations with molecular dynamics (MD)...
Tungsten(VI) oxide supported rhodium nanoparticles: Highly active catalysts in hydrogen generation from ammonia borane
Akbayrak, Serdar; Tonbul, Yalcin; Özkar, Saim (2021-04-01)
Herein, we report the use of tungsten(VI) oxide (WO3) as support for Rh0 nanoparticles. The resulting Rh0/WO3 nanoparticles are highly active and stable catalysts in H2 generation from the hydrolysis of ammonia borane (AB)...
Altering Electronic and Optical Properties of Novel Benzothiadiazole Comprising Homopolymers via pi Bridges
Zeytun Karaman, Cansu; Goeker, Seza; Hacioglu, Serife O.; Haciefendioglu, Tugba; Yıldırım, Erol; Toppare, Levent Kamil (2021-03-01)
Four novel benzo[c][1,2,5]thiadiazole comprising monomers namely 5-fluoro-6-((2-octyldodecyl)oxy)-4,7-di(thiophen-2-yl)benzo[c][1,2,5]thiadiazole (TBTT), 5-fluoro-4,7-bis(4-hexylthiophen-2-yl)-6-((2-octyldodecyl)oxy)benzo[...
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