Yazar "Köse, Dursun Ali" için listeleme
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Dna seçici mikrokürelerin sentezi ve karakterizasyonu
Güven, Kübra (Hitit Üniversitesi, 2020)Moleküler baskılama, hedef molekül hafızalı polimerler sentezlemek ve bu sayede de hedef moleküllere karşı seçici materyaller üretmek için bilim insanları tarafından son yıllarda oldukça fazla kullanılmaktadır. Bu çalışmanın ... -
Effect of immobilization on the activity of catalase carried by poly(HEMA-GMA) cryogels
Erol, Kadir; Koncuk Cebeci, Büşra; Köse, Kazım; Köse, Dursun Ali (Elsevier B.V., 2019)Hydrogen peroxide is converted by catalase to molecular oxygen and water to remove oxidative stress. In this study, catalase immobilization was performed using poly(2-hydroxyethyl methacrylate-glycidyl methacrylate) ... -
Electrochemical Glucose Detection Using PdAg Nanoparticles Anchored on rGO/MWCNT Nanohybrids
Uzunoğlu, Aytekin; Köse, Dursun Ali; Gökmeşe, Ebru; Gökmeşe, Faruk (Springer/Plenum Publishers, 2020)The combination of multi-walled carbon nanotube (MWCNT) and graphene (Gr) to extend their unique physicochemical properties to 3-dimensions (3D) is known to be an effective way to achieve high catalytic properties in ... -
The electrochemical performance of manganese oxoborate cathodes for lithium-ion batteries: Effect of synthesis method
Ertekin, Zeynep; Özgenç, Gökhan; Özer, D.; İçten, Orkun; Elmacı, Gökhan; Köse, Dursun Ali; Zümreoğlu Karan, Bilge (Elsevier Ltd, 2021)Cathodes for lithium-ion batteries (LIBs) present stability and performance issues; therefore, searching for alternative novel electrode materials or modifications of known ones is one of the main issues. Warwickite-type ... -
Electrostatic adsorption of asymmetric dimethyl arginine (adma) on poly (2-hydroxyethyl methacrylate-acrylic acid) nanoparticles
Erol, Kadir; Köse, Kazım; Avcı, Emre; Köse, Dursun Ali (Taylor and Francis Inc., 2017)Separation and purification of asymmetric dimethylarginine (ADMA) molecule, which is an important biomolecule in terms of cardiovascular diseases, is of great importance. Among the methods, the adsorption technique is of ... -
Ethyl 2-[(2-hydroxybenzylidene)amino]-6-methyl-4,5,6,7-tetrahydrothieno[2, 3-c]pyridine-3-carboxylate
The title compound, C18H20N2O3S, exists as the phenol–imine form in the crystal and there are bifurcated intramolecular O—H…(N/O) hydrogen bonds present. The conformation about the C N bond is anti (1E); the C N imine bond ... -
Experimental and simulation study on structural characterization and hydrogen storage of metal organic structured compounds
Öztürk, Zeynel; Özken, Göksel; Köse, Dursun Ali; Asan, Abdurrahman (Elsevier Ltd, 2016)One of the barrier for common usage of hydrogen energy system is storing hydrogen efficiently. Especially for mobile applications, it is very important to store hydrogen in small spaces reversibly. Metal-organic framework ... -
Fabrication and characterization of magnesium and calcium trimesate complexes via ion-exchange and one-pot self-assembly reaction
Özer, Demet; Altuntaş Öztaş, Nurşen; Köse, Dursun Ali; Şahin, Onur (Elsevier B.V., 2018)Using two different synthesis methods, two diversified magnesium and calcium complexes were successfully prepared. When the ion exchange method was used, C9H14MgO11.H2O and C18H30Ca3O24 complexes were obtained. When the ... -
Fabrication and characterization of magnetite-gadolinium borate nanocomposites
İçten, Okan; Köse, Dursun Ali; Zümreoğlu Karan, Birgül (Elsevier Ltd, 2017)Soft ferromagnetic magnetite (Fe3O4)-gadolinium borate nanocomposites have been prepared via a facile hydrothermal approach by using Fe3O4, borax (BX) or boric acid (BA) and a simple Gd(III) salt. The products obtained by ... -
Fe(II)-Co(II) double salt incorporated magnetic hydrophobic microparticles for invertase adsorption
Köse, Kazım; Erol, Kadir; Emniyet Sert, Asiye Aslı; Köse, Dursun Ali; Alp Avcı, Gülçin; Uzun, Lokman (Humana Press Inc., 2015)Invertase (β-fructofuranoside fructohydrolase, EC 3.2.1.26) is an enzyme widely used in the food industry. Its main function is the formation of glucose and fructose through hydrolysis of sucrose. For the separation and ... -
Gadolinium borate and iron oxide bioconjugates: Nanocomposites of next generation with multifunctional applications
İçten, Okan; Köse, Dursun Ali; Matissek, Stephan J.; Misurelli, Jason A.; Elsawa, Sherine F.; Hosmane, Narayan Sadashiv; Zümreoğlu Karan, Birgül (Elsevier Ltd, 2018)The systematic investigations concerning the bioconjugation of GdBO3-Fe3O4 nanocomposite and their in vitro biocompatibility with cancer cell lines are reported. The nanocomposites were prepared hydrothermally from magnetite ... -
Glisin, triptofan, lösin ve fenilalanin amino asitlerinin Co(II), Ni(II), Cu(II) ve Zn(II) geçiş metalleri ile komplekslerinin sentezi, yapısal karakterizasyonu ve biyolojik uygulamaları
Kaşarcı Hakan, Aliye (Hitit Üniversitesi Fen Bilimleri Enstitüsü, 2013)Bakır(II), nikel(II), kobalt(II) ve çinko(II) metallerinin glisin, lösin, fenilalanin ve triptofan amino asitleriyle on altı adet kompleksleri sentezlenmiştir. Elde edilen komplekslerin molekül formülleri aşağıdaki gibidir: ... -
Hydrogen storage properties of mono-and bidentate MOF structured orotate complexes
Öztürk, Zeynel; Köse, Dursun Ali; Asan, Abdurrahman; Öztürk, Banu; Andaç, Ömer; Özkan, Göksel (Materials Research Society, 2014)One of the barriers for wide usage of hydrogen energy system is efficient storage. To store more hydrogen efficiently, physisorption is a choice among the others with high storage performance, reversibility, and lifecycles. ... -
Investigation of applicability of plant extracts (Euphorbia orientalis L.) instead of chemical disinfectants
Alp Avcı, Gülçin; Avcı, Emre; Köse, Dursun Ali; Geldi, Merve; Uzeli, Sevil (Wiley-Blackwell, 2013)[Abstract Not Available] -
Investigation of dna binding and cleavage activities of boron complexes in the presence of hydrogen peroxide
Devrim, Alparslan Kadir; Arslantaş, Ali; Sudağıdan, Mert; Köse, Dursun Ali; Zümreoğlu Karan, Birgül (Universitatea Babes-Bolyai, Catedra de Filosofie Sistematica, 2014)Magnesium [di(hydroxy)mono(citratoborate)]dihydrate (Mg[B(Cit)(OH)2]2.2H2O), Lithium [di(hydroxy)mono(citratoborate)]hydrate Li[B(Cit)(OH)2].H2O, Sodium [di(hydroxy)mono(salicylato) borate)hydrate Na[B(Sal)(OH)2].H2O and ... -
Investigation of immobilization and kinetic properties of catalase enzyme on poly(HEMA-GMA) cryogel
Erol, Kadir; Cebeci, Büşra; Köse, Kazım; Köse, Dursun Ali (Slovak Academy of Sciences Institute of Experimental Physics Department of Biophysics, 2017)Catalase is a metalloenzyme, which is found in almost all aerobic respiratory organisms. This enzyme acts as a detoxification agent for the hydrogen peroxide (H2O2) compound, protecting tissues and cells from oxidative ... -
Isolation of aspartic acid using Novel Poly(2-hydroxyethyl methacrylate-N-methacryloyl-(l)-lysine) Cryogels
Sarıca, Büşra; Köse, Kazım; Uzunoğlu, Aytekin; Erol, Kadir; Köse, Dursun Ali (Friedr. Vieweg und Sohn Verlags GmbH, 2018)In this study, we report on the synthesis of novel poly(2-hydroxyethyl methacrylate-N-methacryloyl-(l)-lysine) [poly(HEMA-MAL)] cryogels for the isolation of aspartic acid. Cryogels were characterized using nuclear magnetic ... -
A kind of energy storage technology: Metal organic frameworks
Abstract- For last fifteen years energy has been transferred by using electricity. As an energy carrier electricity has some disadvantages like its wire need for transportation and its being non-storable for large amounts. ... -
Lead removal from industrial waste
Bilgin, Elif; Yüce, Murat; Köse, Kazım; Erol, Kadir; Köse, Dursun Ali (Hitit University, 2017)In this study, the heavy metal removal performance of poly(2-hydroxyethyl methacrylate-N-methacryloyl-(L)-histidine methyl ester), poly(HEMA-MAH) cryogel, a known polymer, in HNO3 was investigated. To determine the heavy ... -
Magnetic nanocomposites of boron and Vitamin C
İçten, Okan; Hosmane, Narayan Sadashiv; Köse, Dursun Ali; Zümreoğlu Karan, Birgül (Royal Society of Chemistry, 2017)Magnetic nanocomposites comprising elemental boron and vitamin C in the form of mono or bis(ascorbatoborate) complexes have been synthesized for targeted delivery/therapy applications. These nanocomposites were characterized ...