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Kimya: Recent submissions

Now showing items 41-60 of 222

Direct Electrochemistry and Sensitive Detection of Guanosine on Nanopolymeric Surfaces Bearing Boronic Acid Groups

Kuralay, Filiz; Gursoy, Taner (WILEY-V C H VERLAG GMBH-WEINHEIM, 2020)

This paper describes the use of novel boronic acid containing polymeric surfaces for following improved direct electrochemistry and highly sensitive and selective electrochemical detection of guanosine. Effective and robost ...
Applications of quinoxaline-bridged bis(benzimidazolium) salts as ligand sources for the palladium-catalyzed Suzuki and Heck cross-coupling reactions in an aqueous medium

Dusunceli, Serpil Demir; Sahan, Mehmet Hanifi; Kaloglu, Murat; Ustun, Elvan; Ozdemir, Ismail (WILEY-V C H VERLAG GMBH-WEINHEIM, 2022)

In the present work, quinoxaline-bridged bis(benzimidazolium) salts were prepared by the reaction of 2,3-bis(bromomethyl) quinoxaline and 1-substituted benzimidazole. The structures of the bis(benzimidazolium) salts were ...
A novel and stereospecific synthesis of aminocyclitol: N-tosyldihydroconduramine E2

Kelebekli, Latif; Celik, Murat; Kara, Yunus (SAGE PUBLICATIONS LTD-LONDON, 2010)

A stereospecific synthesis of N-tosyldihydroconduramine E2, a new aminocyclitol, has been synthesised starting from cyclohexa-1,3-diene. The photooxygenation of cyclohexa-1,3-diene afforded the bicyclic endoperoxide. ...
miRNA sensing plasma modified magnetic micromotor

Oksuz, Lutfi; Karaca, Gozde Yurdabak; Kuralay, Filiz; Koc, Umran; Uygun, Emre; Uygun, Aysegul (AMER CHEMICAL SOC-WASHINGTON, 2017)
Cellulose Ester-Based Aerogel: Lightweight and Highly Water-Absorbent

Aksu, Kadir; Kaya, Mehmet (AMER CHEMICAL SOC-WASHINGTON, 2024)

Cellulose was extracted from waste generated by pruning tea stem wastes. The interaction between pure cellulose and homophthalic acid produced a light (0.22 g cm(-3)) and eco-friendly hybrid aerogel product that is highly ...
Synthesis and characterization of new copper(II) and palladium(II) complexes with azo-, bisazo-5-pyrazolones

Bagdatli, Emine; Gunkara, Omer T.; Ocal, Nuket (ELSEVIER SCIENCE SA-LAUSANNE, 2013)

New copper(II) and palladium(II) complexes were synthesized by the interaction of metal acetates and azo-, bisazo-5-pyrazolones in a methanolic medium. The mononuclear copper(II) and palladium(II) complexes were obtained ...
Interaction analysis of a new NHC precursor and its Ag-NHC complex with bovine serum albumin by spectrophotometric and molecular docking methods

Ustun, Elvan; Sahin, Neslihan (TAYLOR & FRANCIS LTD-ABINGDON, 2023)

Potential bioactive molecules must reach the target tissue safely and serum albumin, which is a well-known major component in human blood, is an efficient transporter. Therefore, the interactions of possible bioactive ...
ADSORPTION OF TEXTILE DYES FROM AQUOUS SOLUTIONS BY USING KIWIFRUIT (ORDU) PEEL

Alkan, Salih; Kul, A. Riza; Yagiz, Adem (PARLAR SCIENTIFIC PUBLICATIONS (P S P)-FREISING, 2017)

In this study, kiwifruit (kiwi) peel was used as adsorbent for the adsorption of dying reagents methylene blue and Rhodamine B. Effects of pH, starting dye concentration, temperature, and equilibrium contact time on the ...
Synthesis of Different Epibatidine Analogues with Domino- and Reductive Heck Reactions

Bagdatli, Emine; Oecal, Nueket (SPRINGER-DORDRECHT, 2009)

New epibatidine analogues were synthesized by palladium catalyzed reductive Heck and Domino-Heck reactions and regioselective results were obtained.
Green Synthesis of Iron Oxide Nanoparticles by Using Ficus Carica Leaf Extract and Its Antioxidant Activity

Ustun, Elvan; Onbas, Sena Ceren; Celik, Sakine Kubra; Ayvaz, Melek Col; Sahin, Neslihan (BIOINTERFACE RESEARCH APPLIED CHEMISTRY-BUCURESTI, 2022)

In every day, new nanoparticles have been synthesized, and their properties have been evaluated since their unique physical and chemical properties, which are very different from the precursors. Nanoscience also has ...
Antioxidant activity, enzyme inhibition, electrochemical and theoretical evaluation of novel PEPPSI type N-heterocyclic carbene complexes

Sahin, Neslihan; Celebi, Mutlu S.; Ayvaz, Melek C.; Stun, Elvan (ELSEVIER-AMSTERDAM, 2022)

N-Heterocyclic carbenes have attracted attention due to their strong sigma-donor and weak pi-acceptor prop-erties since they were first isolated. Pyridine is also found in many natural products and is included in the content ...
Electroactive polyglycine coatings for nanobiosensing applications: Label-free DNA hybridization, DNA-Antitumor agent interaction and antitumor agent determination

Gursoy, Sultan; Dukar, Nilgun; Yaman, Yesim Tugce; Abaci, Serdar; Kuralay, Filiz (ELSEVIER SCIENCE BV-AMSTERDAM, 2019)

Bioinspired materials have attracted great attention due to their great functionality, bioactivity and biocompability. In particular, electroactive polyamino acid surfaces endow preparation of robust coatings for various ...
An Electrochemical Acetylcholinesterase Biosensor Based on Fluorene(bisthiophene) Comprising Polymer for Paraoxon Detection

Celik, Huzeyfe; Soylemez, Saniye (WILEY-V C H VERLAG GMBH-WEINHEIM, 2023)

In this study, a novel conductive polymer comprising biosensor based on poly-2,2 '-(9,9-dioctyl-9 h-fluorene-2,7-diyl)bistiophene (Poly(BT)) and acetylcholinesterase (AChE) was reported for the determination of paraoxon. ...
Stereospecific synthesis of Pd(0)-catalyzed oxazolidinone with tetracyclic structure

Kelebekli, Latif; Sahin, Ertan (TAYLOR & FRANCIS INC-PHILADELPHIA, 2023)

The efficient synthesis of a new class of oxazolidinone with strained rings is described. The allylic cis-diol as the key intermediate was first prepared via two steps starting from p-benzoquinone. Formation of the ...
Stereoselective synthesis of novel bis-homoinositols with bicyclo[4.2.0] octane motifs

Barotcu, Aysenur Zeren; Karanfil, Abdullah; Sahin, Ertan; Kelebekli, Latif (ELSEVIER SCI LTD-OXFORD, 2022)

Starting from cyclooctatetraene, bis-homoconduritols with cis-inositol and allo-inositol (or bicyclo[4.2.0]octane motif) structures were synthesized. Photooxygenation of trans-7,8-dibromo-bicyclo[4.2.0]octa-2,4-diene allowed ...
COPPER REMOVAL FROM WASTEWATER USING NATURAL PUMICE

Kul, Ali Riza; Alkan, Salih; Ocak, Sevda; Benek, Veysel (HEALTH & ENVIRONMENT ASSOC-TIRANE, 2015)

This study was conducted on the pumice supplied from the Van Province, Turkey. The physicochemical properties of CuCl2 at pH 5 were studied and the analyses were performed at a temperature of 308 degrees K at various ...
Synthesis, and Characterization and In-Silico Analysis Against SARS CoV-2 of Novel Benzimidazolium Salts

Ustun, Elvan; Sahin, Neslihan (UNIV FEDERAL MATO GROSSO SUL, DEPT QUIMICA-CAMPO GRANDE, 2022)

N-heterocyclic carbene molecules are often used as the main scaffold in pharmaceutical chemistry, and one of the most important of these is benzimidazoles. Severe Acute Respiratory Syndrome Coronavirus Disease-2 is the ...
Synthesis, spectroscopic characterizations, and comparison of experimental, and theoretical results of N-(3-chloro-2-methyl phenyl)-2-(4-methoxybenzylidene)hydrazine-1-carbothioamide

Bulbul, Hakan; Atalay, Sehriman; Erturk, Aliye Gediz (ELSEVIER-AMSTERDAM, 2023)

By condensation of 4-methoxy benzaldehyde with (3-chloro-2-methyl phenyl)-3-thiosemicarbazide a novel thiosemicarbazone derivative, N-(3-chloro-2-methyl phenyl)-2-(4-methoxybenzylidene)hydrazine-1-carbothioamide (3), were ...
Insight into the effect of Ca2+, Mg2+and Zn2+on serum albumin interaction of benzimidazole-type new isopropyl substituted N-heterocyclic carbene molecules

Ustun, Elvan; Sahin, Neslihan (ELSEVIER SCIENCE SA-LAUSANNE, 2024)

N-heterocyclic carbenes are not only revolutionary catalysts in organic synthesis but also well-known anthelmintics, fungicides, antacids, and antibiotics. Serum albumin transports various substances in the body such as ...
Plasma modified catalytic micromotors

Oksuz, Lutfi; Karaca, Gozde Yurdabak; Uygun, Emre; Koc, Umran; Kuralay, Filiz; Uygun, Aysegul (AMER CHEMICAL SOC-WASHINGTON, 2017)

Now showing items 41-60 of 222

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