Kurum Yazarı "Anık, Ülkü" Fen Fakültesi İçin Listeleme
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Electrochemical sensor based on perylene diimide derivative modified electrode
Perk, Benay; Tepeli Büyüksünetçi, Yudum; Çetin, Ramazan; Haklı, Özgül; Anık, Ülkü (Springer, 2021)A N,N’-Bis(1-isobutyl-1H-benzimidazole-2-yl)perylene-3,4,9,10-tetracarboxylic acid diimide (H1) modified carbon felt electrode has been prepared and applied for dopamine detection. Dopamine was chosen as the test analyte ... -
Electrospun modified PAN-porphyrin nanofiber electrode for caffeine detection
Güzel, Umut; Tepeli-Büyüksünetci, Yudum; Haklı, Özgül; Oylumluoğlu, Görkem; Anık, Ülkü (Elsevier Ltd, 2023)In this work, caffeine sensitive electrospun polyacrylonitrile-(5,10,15,20-tetra(4-tert butylphenyl)-porphyrin)/carbon felt electrode (PAN-Por/CFE) nanofiber (NF) electrochemical sensor was fabricated. In this manner, this ... -
Examination of performance of glassy carbon paste electrode modified with gold nanoparticle and xanthine oxidase for xanthine and hypoxanthine detection
Çubukçu, Meliha; Timur, Suna; Anık, Ülkü (Elsevier, 2007)A composite electrode was prepared by modifying glassy carbon microparticles with gold nanoparticles (Au-nps) and xanthine oxidase enzyme (XOD) for xanthine (X) and hypoxanthine (Hx) detection. After the optimization of ... -
Examination of the Electroanalytic Performance of Carbon Nanotube (CNT) Modified Carbon Paste Electrodes as Xanthine Biosensor Transducers
Anık, Ülkü; Çubukçu, Meliha (Scientific Technical Research Council Turkey-Tubitak, 2008)The effect of multi-walled carbon nanotube (MWCNT) and single-wall carbon nanotube (SWCNT) on carbon paste electrode (CPE) electrochemical response was examined by introducing various portions of CNT into the CPE. The ... -
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 ... -
Fabrication of Electrochemical Model Influenza A Virus Biosensor Based on the Measurements of Neuroaminidase Enzyme Activity
Anık, Ülkü; Tepeli, Yudum; Diouani, Mohamed F. (Amer Chemical Soc, 2016)Neuroaminidase (NA) enzyme is a kind of glycoprotein that is found on the influenza A virus. During infection, NA is important for the release of influenza virions from the host cell surface together with viral aggregates. ... -
Fabrication of metal-organic framework based electrochemical Leishmania immunosensor
Tepeli-Büyüksünetci, Yudum; Perk, Benay; Bouzaien, Sana Bachraoui; Diouani, Mohamed F.; Anık, Ülkü (ELSEVIER, 2023)Leishmaniasis is a disease with a high impact on public health in many countries. In this study, an electro-chemical immunosensor for Leishmania major surface protease (Gp63) antibody detection was developed using copper ... -
Fabrication of multi-walled carbon nanotube-metallic nanoparticle hybrid nanostructure based electrochemical platforms for sensitive and practical colchicine detection
Ören Varol, Tuğba; Anık, Ülkü (Royal Soc Chemistry, 2019)Multi-walled carbon nanotube metallic nanoparticle (MWCNT-MNP) hybrid nanostructure based electrochemical platforms were developed for the sensitive and practical detection of colchicine for the first time. Surface ... -
Gold nanoparticle deposited electrochemical sensor for hyaluronic acid detection
Perk, Benay; Tepeli Büyüksünetçi, Yudum; Anık, Ülkü (Springer Science and Business Media Deutschland GmbH, 2023)In this study, gold nanoparticle (AuNP)-modified carbon paste electrode (CPE)-based electrochemical sensor for hyaluronic acid (HA) detection was developed. The change in the electrode surface area and the increase in HA ... -
Graphene oxide-porphyrin composite nanostructure included electrochemical sensor for catechol detection
Ören Varol, Tuğba; Haklı, Özgül; Anık, Ülkü (Royal Society of Chemistry, 2021)In this study, pre-synthesized 5,10,15-tri(4-tert-butylphenyl)-20-(4-phenol)-porphyrin (Por) was incorporated with graphene oxide (GO) via ultrasonication and, as a result, GO–Por was obtained. Morphological and structural ... -
Graphene-Gold Hybrid Nanomaterial Based Impedimetric Immunosensor for H3N2 Influenza A Virus Detection
Tepeli Büyüksünetçi, Yudum; Anık, Ülkü (WILEY-V C H VERLAG GMBH, 2022)H3N2, known as "swine flu" is a kind of influenza A virus that can also infect humans. Therefore, rapid, practical and accurate techniques for H3N2 detection is needed. In this study, we fabricate Graphene-gold hybrid ... -
Graphene-metallic nanocomposites as modifiers in electrochemical glucose biosensor transducers
Altuntaş, Derya Bal; Tepeli, Yudum; Anık, Ülkü (Iop Publishing Ltd, 2016)Graphene sheets and three different graphene-metallic nanocomposites including graphene-copper (graphene-Cu), graphene-nickel (graphene-Ni) and graphene-platinum (graphene-Pt) were prepared and characterized in the first ... -
An impedimetric approach for COVID-19 detection
Tepeli Büyüksünetçi, Yudum; Çitil, Burak Ekrem; Anık, Ülkü (ROYAL SOC CHEMISTRY, 2021)In this study, an electrochemical approach for the determination of coronavirus disease (COVID-19) was developed. The biosensor system relied on the spike protein (S-protein) based infection mechanism of the virus and ... -
L. Lactis Subsp. Lactis of Cheese Origin Based Microbial Fuel Cell
Avcı, Okan; Büyüksünetçi Tepeli, Yudum; Güley, Ziba; Anık, Ülkü (Wiley, 2021)In this work, Lactococcus lactis subsp. lactis DLP27 (L .lactis) strain isolated from a traditional Turkish raw milk cheese, Divle Obruk Cheese, was used as a biocatalyst on the bioanode combined with a platinum cathode ... -
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 ... -
Oxidase mimicking Co/2Fe MOF included biosensor for sialic acid detection
Kıyıkçı, Hüseyin Furkan; Avcı, Okan; Tepeli Büyüksünetçi, Yudum; Timur, Suna; Anık, Ülkü (Elsevier B.V., 2022)A facile amperometric biosensor that included oxidase mimicking Co/2Fe metal-organic framework (MOF) for sialic acid (SA) detection was prepared. Amperometric SA biosensor was constructed on a gold screen-printed electrode ... -
Poly(allylamine hydrochloride) Functionalized Multiwalled Carbon Nanotube Modified Carbon Paste Electrode as Acetylcholinesterase Biosensor Transducer
Çevik, Serdar; Timur, Suna; Anık, Ülkü (Wiley-V C H Verlag Gmbh, 2013)In this work, a sensitive, practical and reliable acetylthiocholine (ATCh) biosensor based on poly(allylamine hydrochloride) functionalized multiwalled carbon nanotube (PAH/MWCNT) was fabricated and used for pesticide ... -
A polyoxy group branched diazo dye as an alternative material for the fabrication of an electrochemical epinephrine sensor
Avcı, Okan; Perk, Benay; Ören Varol, Tuğba; Tepeli Büyüksünetçi, Yudum; Haklı, Özgül; Anık, Ülkü (Royal Soc Chemistry, 2019)In the present study, a novel diazo dye with a polyoxy group (2{2[2(2-methoxyethoxy)ethoxy]ethoxy}-5-[(E)-(4-nitrophenyl)diazenyl]benzaldehyde (AZOTEG)) was used as a modifier to fabricate modified electrochemical platforms ... -
Preparation, Characterization and Electrochemical Application of Graphene-metallic Nanocomposites
Tepeli, Yudum; Anık, Ülkü (Wiley-V C H Verlag Gmbh, 2016)Three different Graphene-Metallic (Graphene-Me) nanocomposites - Graphene-Silver (Graphene-Ag), Graphene-Gold (Graphene-Au) and Graphene-Platinum (Graphene-Pt) nanocomposites - were prepared and characterized. The ... -
Pseudomonas fragi/graphene-gold hybrid nanomaterial bioanode based microbial fuel cell
Avcı, Okan; Büyüksünetci, Yudum Tepeli; Erden, Emre; Timur, Suna; Anık, Ülkü (Royal Society of Chemistry, 2021)A Pseudomonas fragi (P. fragi) and graphene-gold hybrid nanomaterial included a carbon felt electrode (graphene-Au/CFE) bioanode was developed and optimized. Then, this bioanode was combined with a platinum cathode and a ...