Yazar "Sarı, Nursen" için listeleme
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EFFICIENT DETERMINATION AND PESTICIDE CONTROL BY MEANS OF IMMOBILIZATION OF ACETYLCHOLINESTERASE
Özkan, Elvan Hasanoğlu; Yetim, Nurdan Kurnaz; Gümüş, Murat; Sarı, Nursen; Dişli, Ali (Soc Chemists Technologists Madeconia, 2017)Supports involving tetrazole (o/m/p-F-Tet-1H) were prepared to detect pesticides. This novel tetrazole including fluorine in different positions was attached to nanoparticles (2AEPS-(o/m/p-F-Tet-1H)) by a condensation ... -
Enzyme immobilization on polymeric microspheres containing Schiff base for detection of organophosphate and carbamate insecticides
Nartop, Dilek; Yetim, Nurdan Kurnaz; Özkan, Elvan Hasanoğlu; Sarı, Nursen (Elsevier, 2020)In this study, polymeric microsphere including Schiff base TrisPS-pyr and TrisPS-pyr-Pt(II) were obtained by condensation reaction for improve the enzymatic properties of acetylcholinesterase (AChE) and detect harmful ... -
Fe3O4 nanoparticle decorated novel magnetic metal oxide microcomposites for the catalytic degradation of 4-nitrophenol for wastewater cleaning applications
Özkan, Elven Hasanoğlu; Aslan, Naim; Koç, Mümin Mehmet; Yetim, Nurdan Kurnaz; Sarı, Nursen (Springer, 2021)Co3O4, NiO and ZnO microparticles were decorated with Fe3O4 nanoparticles where novel Co3O4@Fe3O4, NiO@Fe3O4 and ZnO@Fe3O4 microcomposites were obtained with significant magnetic properties. Decorating microparticles with ... -
Immobilization of GOx on Trp / Trp-Fc Functionalized Nanospheres: Improved of Reusability and Stability
Yetim, Nurdan Kurnaz; Özkan, Elvan H.; Sarı, Nursen (Gazi Univ, 2017)In the study, new nanospheres support containing ferrocene were synthesized and characterized, then the properties of nanospheres as biocatalysis were researched. Novel support was prepared from (Aminomethyl) polystyrene ... -
Influence of load on the recycling stability of nanospheres attached platinium ion for determination of glucose
Özkan, Elvan Hasanoğlu; Yetim, Nurdan Kurnaz; Nartop, Dilek; Sarı, Nursen (Elsevier Science Inc, 2015)New nanospheres have been prepared with Pt2+ and Pt4+ for compare enzymatic properties of glucose oxidase enzyme (GOx). In this study nanoparticles, (aminomethyl)polystyrene (APS), 2-hydroxy-5-methylbenzaldehyde and ... -
Nanospheres caped Pt(II) and Pt (IV): synthesis and evaluation as antimicrobial and Antifungal Agent
Öğütçü, Hatice; Yetim, Nurdan K.; Özkan, Elvan H.; Eren, Orçun; Kaya, Gamze; Sarı, Nursen; Dişli, Ali (De Gruyter Open Ltd, 2017)Antimicrobial and antifungal polymers are gaining the attention of pharmaceutical makers and industrial design. Nanospheres-Polymers attached Platinum(II) / (IV) complexes have been synthesized to investigate antimicrobial ... -
Novel dendrimers containing redox mediator: Enzyme immobilization and applications
Yetim, Nurdan Kurnaz; Sarı, Nursen (Elsevier Science Bv, 2019)In this study, new dendrimers with a ferrocene core were produced by means of a divergent method for the immobilization of the glucose oxidase enzyme (GOx). Pt(II) and Pt(IV) ions were attached to the terminal groups of ... -
Novel polymeric microspheres: Synthesis, enzyme immobilization, antimutagenic activity, and antimicrobial evaluation against pathogenic microorganisms
Nartop, Dilek; Demirel, Birtane; Güleç, Murat; Özkan, Elvan Hasanoğlu; Yetim, Nurdan Kurnaz; Sarı, Nursen; Ağar, Güleray (Wiley, 2020)New polymeric microspheres containing azomethine (1a-1c and 2a-2c) were synthesized by condensation to compare the enzymatic properties of the enzyme glucose oxidase (GOx) and to investigate antimutagenic and antimicrobial ... -
Polystyrene Attached Pt(IV)-Azomethine, Synthesis and Immobilization of Glucose Oxidase Enzyme
Sarı, Nursen; Antepli, Esin; Nartop, Dilek; Yetim, Nurdan Kurnaz (Mdpi Ag, 2012)Modified polystyrene with Pt(IV)-azomethine (APS-Sch-Pt) was synthesized by means of condensation and demonstrated to be a promising enzyme support by studying the enzymatic properties of glucose oxidase enzyme (GOx) ... -
Preparation of AChE immobilized microspheres containing thiophene and furan for the determination of pesticides by the HPLC-DAD method
Yetim, Nurdan Kurnaz; Özkan, Elvan Hasanoğlu; Özcan, Cemile; Sarı, Nursen (Elsevier, 2020)In this study, acetylcholinesterase (AChE) enzyme immobilized polymeric microspheres were prepared to detect the dichlorvos (DDVP: 2,2-dichlorovinyl dimethyl phosphate) and the chlorpyrifos (O, O-Diethyl 0-3,5,6-trichlor ... -
Preparation of carbon paste electrodes including poly(styrene) attached glycine-Pt(IV) for amperometric detection of glucose
Dönmez, Soner; Arslan, Fatma; Sarı, Nursen; Yetim, Nurdan Kurnaz; Arslan, Halit (Elsevier Advanced Technology, 2014)In this study, a novel carbon paste electrode that is sensitive to glucose was prepared using the nanoparticles modified (4-Formyl-3-methoxyphenoxymethyl) with polystyren (FMPS) with L-Glycine-Pt (IV) complexes. Polymeric ... -
PREPARATION OF FERROCENE CORE DENDRIMERS AND IMMOBILIZATION OF AChE FOR DETECTION OF DICLOFOP-METHYL HERBICIDE
Yetim, Nurdan Kurnaz; Sarı, Nursen (Soc Chemists Technologists Madeconia, 2019)The aim of this work was to investigate diclofop-methyl detection (found in a variety of herbicides) using novel dendrimers that have ferrocene cores, as well as their Pt(II) and Pt(IV) complexes. Novel dendrimer structures ... -
Qualitative enzymatic detection of organophosphate and carbamate insecticides
Nartop, Dilek; Hasanoğlu Özkan, Elvan; Yetim, Nurdan Kurnaz; Sarı, Nursen (Taylor & Francis Inc, 2020)In this study, new polymers containing amides (TrisPS-Ntaa, andTrisPS-Ntaa-Fc) were synthesized by condensation reaction for qualitative identification of insecticides. The synthesized polymers, including amides were ... -
Research on the Repeated Use of Novel Ferrocene-Tagged Nanomaterial for Determination of Glucose
Yetim, Nurdan Kurnaz; Özkan, Elvan Hasanoğlu; Danis, Busra; Tümtürk, Hayrettin; Sarı, Nursen (Taylor & Francis As, 2015)A good novel double ferrocene-tagged nanomaterial is designed for glucose determination and its recycling stability. Double Ferrocene-tagged nanomaterial displays higher catalytic activity toward the glucose oxidation than ... -
Spectroscopic characterization of novel d-amino acid-Schiff bases and their Cr(III) and Ni(II) complexes as antimicrobial agents
Sarı, Nursen; Pişkin, Nihat; Öğütçü, Hatice; Kurnaz, Nurdan (Springer Birkhauser, 2013)The aim of this work was to investigate the antibacterial and antifungal activities of novel d-amino acid-Schiff bases including fluorine atom and their Cr(III) and Ni(II) complexes. All these substances have been examined ... -
Structural, electrochemical and optical properties of hydrothermally synthesized transition metal oxide (Co3O4, NiO, CuO) nanoflowers
Yetim, Nurdan Kurnaz; Aslan, Naim; Sarioğlu, Akın; Sarı, Nursen; Koç, Mümin Mehmet (Springer, 2020)In this work, structural, electrochemical and optical properties of the flower-like Co3O4, NiO and CuO nanostructures were investigated. Co3O4, NiO and CuO nanoflowers were prepared using hydrothermal method. Fourier ...
