Yazar "Köse, Dursun Ali" için Makale Koleksiyonu listeleme
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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 ... -
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 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 ... -
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 ... -
Manganese Oxoborate-Based Nanostructures as Novel Oxygen Evolution Catalysts in Neutral Media
Elmacı, Gökhan; İçten, Okan; Özer, Demet; Özgenç, Gökhan; Ertekin, Zeliha; Köse, Dursun Ali; Zümreoğlu Karan, Birgül (Wiley-V C H Verlag Gmbh, 2021)The development of electrocatalysts for the OER (oxygen evolution reaction) process is an ongoing challenge in producing sustainable energy systems. Herein, we report QS (quasi-spherical), IR (irregular), and NR (nanorod) ... -
Mixed ligand complexes of acesulfame/nicotinamide with earth alkaline metal cations MgII, CaII, BaII and SrII : synthesis and characterization
Yurdakul, Ömer; Köse, Dursun Ali (Hittite Journal of Science and Engineering, 2014-12-31)I n the scope of this study, acesulfame (ace, acs)-nicotinamide (na) mixed ligand complexes of Mg(II), Ca(II), Sr(II) and Ba(II) were synthesized for the first time. Possible formulas for complexes were determined as [Mg(H2 ... -
The mixed ligand complexes of Co(II), Ni(II), Cu(II) and Zn(II) with coumarilic acid/1,10-phenanthroline: Synthesis, crystal characterization and biological applications
Dağlı, Özge; Köse, Dursun Ali; İçten, Okan; Alp Avcı, Gülçin; Şahin, Onur (Springer Netherlands, 2019)The coumarilate (coum−) and 1,10-phenanthroline (phen) mixed ligand complexes of Co(II) (1), Ni(II) (2) Cu(II) (3) and Zn(II) (4) were synthesized and structural characterizations were performed by using elemental analysis, ... -
Mixed ligand complexes of coumarilic acid/nicotinamide with transition metal complexes: Synthesis and structural investigation
Coumarilate-nicotinamide complexes of CoII and ZnII were synthesized and investigated by elemental analysis, magnetic susceptibility, solid state UV-Vis, direct injection probe mass spectra, FTIR spectra, thermoanalytic ... -
Mixed-ligand complexes of boric acid with organic biomolecules
Boric acid forms meta-stable complexes with biomolecules like amino and hydroxy acids and stable complexes with the diol group containing carbohydrates, vitamins, and nucleotides, yielding mono-chelate (1: 1 complex) or ... -
Mn(II) and Co(II) mixed-ligand coordination compounds with acesulfame and 3-aminopyridine: synthesis and structural properties
Yurdakul, Ömer; Köse, Dursun Ali; Şahin, Onur; Özer, Demet (Taylor & Francis Ltd, 2021)Two mixed ligand complexes containing acesulfame (acs) and 3-aminopyridine (3-ap) ligands of Mn(II) and Co(II) were synthesized. The obtained compounds were characterized by various analysis methods. The geometries of ... -
A mononuclear, mixed (salicylato) (nicotinamide) complex of Zn(II) with penta- and hexa-coordination sites: A novel framework structure
The title compound, diaqua(bissalicylato-κO)(bisnicotinamide-κN)zinc(II)][bis(triaqua (monosalicylato-κO)(mononicotinamide-κN)zinc(II)salicylate, includes three Zn(II) ions, four nicotinamide ligands, six salicylate ligands ... -
The new metal complex templated polyoxoborate(s) (POB(s)) structures. Synthesis, structural characterization, and hydrogen storage capacities
Köse, Dursun Ali; Yurdakul, Ömer; Şahin, Ozan; Öztürk, Zeynel (Elsevier B.V., 2017)The polyoxoborate(s) (POB(s)) structures, including a neutral ligand-metal complex compound as a template, were synthesized and the structural characterizations were performed via single crystal X-ray diffraction, FTIR, ... -
Nicotinamide-modified poly(HEMA-GMA)-Nic cryogels for removal of pesticides
Köse, Kazım; Arslan Akveran, Gönül; Erol, Kadir; Köse, Dursun Ali (Turkish Chemical Society, 2018)Chlordane is only one of the persistent pesticides used in some countries despite the ban. Removal of chlordane, a severe threat to all living things, was performed using nicotinamide-modified poly (2-hydroxyethyl ... -
Novel 2D micro-porous metal-organic framework for hydrogen storage
Öztürk, Zeynel; Köse, Dursun Ali; Şahin, Zarife Sibel; Özkan, Göksel; Asan, Abdurrahman (Elsevier Ltd, 2016)A novel two dimensional Metal-Organic Framework (MOF) structured compound with trimesic acid (TMA), 1,10 Phenantroline (Phen) and Cu(II) building blocks were synthesized and characterized experimentally. Then Grand Canonical ... -
Novel coordination compounds of alkaline earth metals with coumarilic acid. Synthesis and characterization
Karaer, Emrah; Köse, Dursun Ali; Şahin, Zarife Sibel; Şahin, Onur (Elsevier B.V., 2021)In this study, novel coordination compounds of coumarilic acid with 2A group alkaline earth metal cations [Mg2+ (1), Ca2+ (2), Sr2+ (3) and Ba2+(4)] were synthesized and structural characterized. The structural properties ... -
Novel coordination compounds: Mn(II), Co(II), Ni(II), Cu(II), and Zn(II) cations with acesulfame/N,N-diethylnicotinamide ligands
Yıldırım, Tuğrul; Köse, Dursun Ali; Alp Avcı, Gülçin; Şahin, Onur; Akkurt, Fatih (Taylor and Francis Ltd., 2020)Five coordination complexes with Mn2þ (1), Co2þ (2), Ni2þ (3), Cu2þ (4), and Zn2þ (5) containing acesulfame (ace) and N,N-diethylnicotinamide (dena) ligands were synthesized and structural binding properties investigated. ...