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Recent Submissions

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...
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 ...
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...
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 ...
Altering Electronic and Optical Properties of Novel Benzothiadiazole Comprising Homopolymers via π Bridges
Zeytun Karaman, Cansu; Göker, Seza; Özdemir Hacıoğlu, Şerife; Hacıefendioğlu, Tuğba; 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[...
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[...
Ultimate COVID-19 Detection Protocol Based on Saliva Sampling and qRT-PCR with Risk Probability Assessment.
Won, Joungha; Kazan, Hasan Hüseyin; Kwon, Jea; Park, Myungsun; Ergun, Mehmet Ali; Özcan Kabasakal, Süreyya; Choi, Byung Yoon; Heo, Won Do; Lee, C Justin (2021-02-28)
In the era of COVID-19 outbreak, various efforts are undertaken to develop a quick, easy, inexpensive, and accurate way for diagnosis. Although many commercial diagnostic kits are available, detailed scientific evaluation ...
The synthesis of chiral β-naphthyl-β-sulfanyl ketones via enantioselective sulfa-Michael reaction in the presence of a bifunctional cinchona/sulfonamide organocatalyst
Tözendemir, Deniz; Tanyeli, Cihangir (2021-02-01)
Cinchona alkaloid-derived organocatalysts are widely employed in various asymmetric transformations, yielding products with high enantiopurity. In this respect, a bifunctional quinine-derived sulfonamide organocatalyst was...
Assessment of solid phase microextraction as a sample preparation tool for untargeted analysis of brain tissue using liquid chromatography-mass spectrometry
Reyes-Garces, Nathaly; Boyacı, Ezel; Gomez-Rios, German A.; Olkowicz, Mariola; Monnin, Cian; Bojko, Barbara; Vuckovic, Dajana; Pawliszyn, Janusz (2021-02-01)
This work presents an evaluation of solid-phase microextraction (SPME) SPME in combination with liquid chromatography-high resolution mass spectrometry (LC-HRMS) as an analytical approach for untargeted brain analysis. The...
Investigation of the biological and photophysicochemical properties of new non-peripheral fluorinated phthalocyanines
Çelik, Çetin; Farajzadeh, Nazli; Akin, Mustafa; YAŞA ATMACA, Göknur; Sağlam, Özgül; ŞAKİ, NESLİHAN; ERDOĞMUŞ, Ali; Koçak, Makbule (2021-02-01)
This study presents the synthesis of a series of new tetra-substituted phthalocyanines bearing 3,5-bis(trifluoromethyl)phenoxy groups at non-peripheral positions. The resulting macromolecules were characterized by performi...
Iron-Catalyzed α-C-H Cyanation of Simple and Complex Tertiary Amines.
Yilmaz, Ozgur; Dengiz, Çağatay; Emmert, Marion H (American Chemical Society (ACS), 2021-01-19)
This manuscript details the development of a general and mild protocol for the α-C–H cyanation of tertiary amines and its application in late-stage functionalization. Suitable substrates include tertiary aliphatic, benzyli...
Indenoquinoxalinone based conjugated polymer substrate for laccase biosensor
Cevher, Şevki Can; Çırpan, Ali; Bekmezci, Sıddıka Aybüke; Soylemez, Saniye; Udum, Yasemin Arslan; Toppare, Levent Kamil (Elsevier BV, 2021-01-01)
This paper describes the synthesis and characterization of a novel monomer (6,9-bis(4-hexylthiophen-2-yl)-11H-indeno[2,1-b]quinoxalin-11-one (M1)). M1 monomer was electrochemically polymerized on the electrode surface and ...
A machine learning algorithm to differentiate bipolar disorder from major depressive disorder using an online mental health questionnaire and blood biomarker data
Tomasik, Jakub; Han, Sung Yeon Sarah; Barton-Owen, Giles; Mirea, Dan-Mircea; Martin-Key, Nayra A.; Rustogi, Nitin; Lago, Santiago G.; Olmert, Tony; Cooper, Jason D.; Özcan Kabasakal, Süreyya; Eljasz, Pawel; Thomas, Gregoire; Tuytten, Robin; Metcalfe, Tim; Schei, Thea S.; Farrag, Lynn P.; Friend, Lauren V.; Bell, Emily; Cowell, Dan; Bahn, Sabine (2021-01-01)
The vast personal and economic burden of mood disorders is largely caused by their under- and misdiagnosis, which is associated with ineffective treatment and worsening of outcomes. Here, we aimed to develop a diagnostic a...
Untargeted metabolomics profiling of skeletal muscle samples from malignant hyperthermia susceptible patients
Bojko, Barbara; Vasiljevic, Tijana; Boyacı, Ezel; Roszkowska, Anna; Kraeva, Natalia; Moreno, Carlos A. Ibarra; Koivu, Annabel; Wasowicz, Marcin; Hanna, Amy; Hamilton, Susan; Riazi, Sheila; Pawliszyn, Janusz (Springer Science and Business Media LLC, 2021-01-01)
Purpose Malignant hyperthermia (MH) is a potentially fatal hypermetabolic condition triggered by certain anesthetics and caused by defective calcium homeostasis in skeletal muscle cells. Recent evidence has revealed impair...
LaMer's 1950 model of particle formation: a review and critical analysis of its classical nucleation and fluctuation theory basis, of competing models and mechanisms for phase-changes and particle formation, and then of its application to silver halide, semiconductor, metal, and metal-oxide nanoparticles
Whitehead, Christopher B.; Özkar, Saim; Finke, Richard G. (2021-01-01)
A review is presented of the pioneering 1950 model (V. K. LaMer, R. H. Dinegar, Theory, Production and Mechanism of Formation of Monodispersed Hydrosols, J. Am. Chem. Soc., 1950, 72, 4847-4854) of how monodisperse particle...
Tuning the Biological Activity of RGD Peptides with Halotryptophanst
Kemker, Isabell; Schroeder, David C.; Feiner, Rebecca C.; Mueller, Kristian M.; Marıon, Antoıne; Sewald, Norbert (2021-01-01)
An array of L- and D-halotryptophans with different substituents at the indole moiety was synthesized employing either enzymatic halogenation by halogenases or incorporation of haloindoles using tryptophan synthase. Introd...
Doxorubicin exhibits strong and selective association with VEGF Pu22 G-quadruplex
Bilgen, Ecenaz; Persil Çetinkol, Özgül (Elsevier BV, 2020-12-01)
Background: Vascular endothelial growth factor (VEGF), is upregulated in tumor cells and thus became a potential therapeutic target for anti-cancer drugs. Recent reports suggested the use of Doxorubicin (Dox) with VEGF-tar...
Core/shell type, Ce3+ and Tb3+ doped GdBO3 system: Synthesis and Celecoxib drug delivery application
Çolak, Pelin; Ulusan, Sinem; Banerjee, Sreeparna; Yılmaz, Ayşen (Elsevier BV, 2020-12-01)
In this study, luminescent and magnetic core/shell Gd1-x-yCexTbyBO3@SiO2 nanoparticles were synthesized and used to design a drug delivery system for Celecoxib (CLX). CLX was chosen as the model drug because it is a nonste...
Resorufin Enters the Photodynamic Therapy Arena: A Monoamine Oxidase Activatable Agent for Selective Cytotoxicity
Almammadov, Toghrul; Atakan, Gizem; Leylek, Ozen; Ozcan, Gulnihal; Günbaş, Emrullah Görkem; Kolemen, Safacan (2020-12-01)
A red-absorbing, water-soluble, and iodinated resorufin derivative (R1) that can be selectively activated with a monoamine oxidase (MAO) enzyme was synthesized, and its potential as a photodynamic therapy (PDT) agent was e...
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