Yazar "Aslan, Sema" için listeleme
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Carbon Microrod Material Derived from Human Hair and Its Electrochemical Supercapacitor Application
Bal Altuntaş, Derya; Aslan, Sema; Nevruzoğlu, Vagif (Gazi Üniversitesi, 2021)Here, Turkish human hair fibers were used as a carbon source at the synthesis of human hair-sourced activated carbons (HHC). During the synthesis of HHCs sodium carbonate (Na2CO3) was added to the synthesis process for an ... -
Combination of a poly(3,4-ethylene-dioxythiophene) electrode in the presence of sodium dodecyl sulfate with centri-voltammetry
Tepeli, Yudum; Aslan, Sema; Sezer, Esma; Anık, Ülkü (Royal Soc Chemistry, 2015)A poly(3,4-ethylene-dioxythiophene) (PEDOT) electrode was prepared by electropolymerization of 3,4-ethylene-dioxythiophene (EDOT) in the presence of sodium dodecyl sulfate (SDS). The electrode was combined with centri-voltammetry ... -
Comparison of in uence of nanomaterials on a glassy carbon pasteelectrode-based bioanode in biofuel cells
Aslan, Sema; Tutum, Murat; Tepeli, Yudum; Anık, Ülkü (2016)This paper presents a comparative study of nanomaterial modi ed glassy carbon paste electrodes (GCPEs)used as bioanodes in enzymatic biofuel cells. The developed bioanode electrodes were obtained by modi cation ofcomposite ... -
Comparison of influence of nanomaterials on a glassy carbon paste electrode-based bioanode in biofuel cells
Aslan, Sema; Tutum, Murat; Tepeli, Yudum; Anık, Ülkü (Scientific Technical Research Council Turkey-Tubitak, 2016)This paper presents a comparative study of nanomaterial modified glassy carbon paste electrodes (GCPEs) used as bioanodes in enzymatic biofuel cells. The developed bioanode electrodes were obtained by modification of ... -
Determination of Exogenous Adrenaline Levels in Patients Undergoing Cardiopulmonary Resuscitation
Altuntaş, Mehmet; Altuntaş, Derya Bal; Aslan, Sema; Yılmaz, Ersin; Nalbant, Ercan (American Chemical Society, 2023)Core-shell quantum dot ZnS/CdSe screen-printed electrodes were used to electrochemically measure human blood plasma levels of exogenous adrenaline administered to cardiac arrest patients. The electrochemical behavior of ... -
Development of a Bioanode for Microbial Fuel Cells Based on the Combination of a MWCNT-Au-Pt Hybrid Nanomaterial, an Osmium Redox Polymer and Gluconobacter oxydans DSM 2343 Cells
Aslan, Sema; O Conghaile, Peter; Leech, Donal; Gorton, Lo; Timur, Suna; Anık, Ülkü (Wiley-V C H Verlag Gmbh, 2017)In this work, a carbon felt electrode (CFE) was modified with a multiwalled carbon nanotube-gold-platinum (MWCNT-Au-Pt) hybrid nanomaterial and integrated with an osmium redox polymer (OsRP, [Os(2,2'-bipyridine)(2)(poly- ... -
Development of an Osmium Redox Polymer Mediated Bioanode and Examination of its Performance in Gluconobacter oxydans Based Microbial Fuel Cell
Aslan, Sema; Conghaile, Peter O.; Leech, Donal; Gorton, Lo; Timur, Suna; Anık, Ülkü (Wiley-V C H Verlag Gmbh, 2017)Gluconobacter oxydans (G. oxydans) cells together with an osmium redox polymer (ORP) [Osmium (2,2'-bipyridine) 2(poly-vinylimidazole) 10Cl] Cl were combined with a glassy carbon paste electrode (GCPE) to form a bioanode ... -
Development of MoS2 and Au nanoparticle including disposable CEA-based immuno-cytosensor platforms
Altuntaş, Derya Bal; Nalkıran, Hatice S.; Aslan, Sema; Yolcu, Zuhal (SPRINGER INTERNATIONAL PUBLISHING AG, 2022)In this study, an electrochemical biosensor for determination of Carcinoembryonic antigen (CEA) biomarker using human breast ductal adenocarcinoma (MCF-7) and human ovarian adenocarcinoma (SK-OV-3) cancer cells was presented. ... -
Development of TiO2 and Au Nanocomposite Electrode as CEA Immunosensor Transducer
Aslan, Sema; Anık, Ülkü (Wiley-V C H Verlag Gmbh, 2014)A carbon paste electrode (CPE) was modified by titanium(IV) oxide microparticles and then gold nanoparticles were dispersed in chitosan and immobilized on the CPE surface. As result a nanostructure modified composite ... -
Electrochemical Carbon Dioxide Detection
Işık C.; Mamuk A.E.; Aslan, Sema (Elsevier, 2023)In this chapter, initially, the concerns about global warming and greenhouse effects, and the research on sensing, capturing, and monitoring carbon dioxide (CO2) have been discussed in a general manner. After that, the ... -
Electrochemical Evaluation of Titanium (IV) Oxide/Polyacrylonitrile Electrospun Discharged Battery Coals as Supercapacitor Electrodes
Aslan, Sema; Bal Altuntaş, Derya; Koçak, Çağdaş; Kara Subaşat, Hülya (Wiley-V C H Verlag Gmbh, 2020)The TiO(2)nanoparticles are electrospun with polyacrylonitrile (PAN) polymer solution onto the discharged battery coal (DBC) electrode and the results are evaluated as a supercapacitor. The morphology and chemical composition ... -
Electrochemical Examination of Nanomaterial Modified Carbon Based Electrodes
Aslan, Sema; Yavuz, Yeliz; Anık, Ülkü (Bentham Science Publ Ltd, 2014)In this report we aimed to examine the effect of metal / metal oxide nano / micro particles on the electrochemical responds of composite, carbon paste electrode (CPE) and solid glassy carbon electrode (GCE). Therefore, ... -
An electrochemical immunosensor modified with titanium IV oxide/polyacrylonitrile nanofibers for the determination of a carcinoembryonic antigen
Aslan, Sema (Royal Society of Chemistry, 2021)Carcinoembryonic antigen (CEA) is considerably addressed for the clinical diagnosis of miscellaneous tumor types. In this study, an electrochemical immunosensor for the determination of the CEA biomarker was presented. ... -
Electrochemical Properties of Coumarin 500 Encapsulated in a Liquid Crystal Guided Electrospun Fiber Core and Their Supercapacitor Application
Mamuk, Atilla Eren; Koçak, Çağdaş; Aslan, Sema (AMER CHEMICAL SOC, 2022)Here, we first report a study on coumarin 500 and liquid crystal including polyacrylonitrile nanofibers in terms of synthesis, characterizations, and supercapacitor performances. SEM, POM, FTIR, and DSC measurements showed ... -
Evaluation of the fuel cell performances of TiO2/PAN electrospun carbon-based electrodes
Aslan, Sema (SCIENTIFIC TECHNICAL RESEARCH COUNCIL, 2021)Electrocatalytic effect of the untreated and TiO2+polyacrylonitrile (PAN) modified discarded battery coal (DBC) and pencil graphite electrodes (PGE) were evaluated in fuel cell (FC) applications. TiO2 + PAN solution is ... -
Fabrication of Biofuel Cell Based on Nanomaterial Modified Composite Glassy Carbon Paste Electrode
Anık, Ülkü; Tutum, Murat; Aslan, Sema (Bentham Science Publ Ltd, 2016)In this work, an enzymatic biofuel cell (BFC) was developed by combining nanomaterial modified and plain glassy carbon paste electrodes (GCPE). Because of the composite nature of GCPE, very practical and economic bio-anode ... -
Microbial glucose biosensors based on glassy carbon paste electrodes modified with Gluconobacter Oxydans and graphene oxide or graphene-platinum hybrid nanoparticles
Aslan, Sema; Anık, Ülkü (Springer Wien, 2016)We have performed a study on the performance of two microbial glucose sensors based on immobilized Gluconobacter oxydans (G. oxydans). The first one was prepared by modifying a glassy carbon paste electrode (GCPE) containing ... -
NaOH impregnated sepiolite based heterogeneous catalyst and its utilization for the production of biodiesel from canola oil
Aslan, Sema; Aka, Necdet; Karaoğlu, Muhammet Hamdi (Taylor & Francis Inc, 2019)NaOH/sepiolite nanocomposite heterogenous base catalyst (NaOH/sep.) was prepared via impregnation process and tested in a three-neck flask equipped with thermometer and reflux condenser for the production of biodiesel from ... -
A new 1,2,4-triazine-n-oxide compound: Synthesis, crystal structure, Hirshfeld surface analysis and supercapacitor applications
Gökçe Topkaya, Cansu; Aslan, Sema; Göktürk, Tolga; Kıncal, Sultan; Hökelek, Tuncer; Güp, Ramazan (Elsevier B.V., 2023)In this paper, we report the one-step, metal catalyst-free synthesis of 6-(4-chlorophenyl)-3,3-dimethyl-4-(N-oxide)-1,2,3,4-tetrahydro-1,2,4-triazine using 2,4-dihydroxyacetophenone and p‑chloro isonitrosophenyl hydrazine ... -
A new hydrazone compound with ester groups: synthesis, spectroscopic studies, crystal structure, and electrochemical supercapacitor applications
Gökçe Topkaya, Cansu; Tekin, Tolga; Aslan, Sema; Özçelik, Nefise; Güp, Ramazan (SPRINGER WIEN, 2022)We work and report the synthesis, spectroscopic results, and crystal structure of the title compound (H2L1), in this manuscript. The crystal structure of the title compound was determined using the X-ray diffraction method. ...
