Yazar "0000-0002-3607-7208" için Kimya Bölümü Koleksiyonu listeleme
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Application of Centri-voltammetry to Cytosensors: Cyto-centrivoltammetry
Tepeli, Yudum; Barlas, Fırat Barış; Timur, Suna; Anık, Ülkü (Pergamon-Elsevier Science Ltd, 2016)In this work, a centri-voltammetric cytosensor suitable for the for detection of folate receptor positive cervical cancer (HeLa) cells was developed for the first time. In order to see the effect of centrifugation, developed ... -
A biochar-modified carbon paste electrode
Bal Altuntaş, Derya; Akgül, Gökçen; Yanık, Jale; Anık, Ülkü (Scientific Technical Research Council Turkey-Tubitak, 2017)The present work examined the use of biochar derived from tea waste as a novel electrode material. For the fabrication of the biochar electrode, suitable amounts of biochar and graphite were mixed with mineral oil for the ... -
A biosensor based on graphite epoxy composite electrode for aspartame and ethanol detection
Anık, Ülkü; Odacı, Dilek; Timur, Suna; Merkoci, Arben; Alegret, Salvador; Besun, Nurgun; Telefoncu, Azmi (Elsevier Science Bv, 2006)A gelatin membrane with carboxyl esterase and alcohol oxidase was subsequently integrated onto the surface of a graphite epoxy composite electrode (GECE). The developed biosensors showed linearity in the range of 2.5-400 ... -
Bismuth film based electrochemical hydroxymethylfurfural sensor
Özyurt, Vasfiye Hazal; Avcı, Okan; Tepeli-Büyüksünetci, Yudum; Anık, Ülkü (SPRINGER, 2023)A simple and sensitive electrochemical sensor based on bismuth film that was coated onto a carbon paste electrode was prepared and used for hydroxymethylfurfural (HMF) detection. It was observed that bismuth film electrode ... -
Centri-Voltammetric GSH Detection with PDI-C4SH as a Carrier Material
Perk, Benay; Büyüksünetçi Tepeli, Yudum; Haklı, Özgül; Xue, Chenming; Li, Quan; Anık, Ülkü (John Wiley and Sons Inc, 2021)In this study, we developed a centri-voltammetric electrochemical sensor for glutathione (GSH) detection. For this purpose, N,N′-2-octyloxy-1-methyl-2-oxoethyl)-(-2,4-thiolbutyloxy)-1-methyl-2-oxoethyl)-3,4 : 9,10-peryle ... -
Copper based metal organic framework decorated with gold nanoparticles as a new electrochemical sensor material for the detection of L-Cysteine in milk samples
Perk, Benay; Tepeli-Büyüksünetci, Yudum; Anık, Ülkü (Springer, 2023)A facile electrochemical sensor based on carbon felt electrode (CFE) modified with gold nanoparticles decorated copper based metal organic framework (AuNPs@Cu-MOF) was achieved for the electrochemical sensing of L-Cysteine ... -
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 ... -
Double-walled carbon nanotube based carbon paste electrode as xanthine biosensor
Anık, Ülkü; Çevik, Serdar (Springer Wien, 2009)We describe the first usage of a double walled carbon nanotube (DWCNT) modified carbon paste electrode as biosensor transducer. Xanthine was chosen as a substrate for evaluation of the electrode performance. Proper amount ... -
Electro-Nano Diagnostic Platform Based on Antibody-Antigen Interaction: An Electrochemical Immunosensor for Influenza A Virus Detection
Tepeli Büyüksünetçi, Yudum; Anık, Ülkü (MDPI, 2023)H1N1 is a kind of influenza A virus that causes serious health issues throughout the world. Its symptoms are more serious than seasonal flu and can sometimes be lethal. For this reason, rapid, accurate, and effective ... -
Electro-nano Diagnostic Platforms for Simultaneous Detection of Multiple Cancer Biomarkers
Kalyoncu, Dorukhan; Tepeli, Yudum; Kırgöz, Umut Can; Buyraç, Arda; Anık, Ülkü (Wiley-V C H Verlag Gmbh, 2017)In this study, a bimetallic nanomaterial-based electrochemical immunosensor was developed for the detection of carcinoembryonic antigen (CEA) and vascular endothelial growth factor (VEGF) cancer biomarkers at the same time. ... -
Electrochemical Determination of Dopamine Using a Novel Perylenediimide-Derivative Modified Carbon Paste Electrode
Ören, Tuğba; Birel, Özgül; Anık, Ülkü (Taylor & Francis Inc, 2018)A novel perylenediimide derivative, N,N-bis(4-{2-[2-(2-methoxyethoxy ethoxy]ethoxy}phenyl)-3,4:9,10-perylene tetracarboxydiimide, was utilized for the modification of a carbon paste electrode to develop a practical and ... -
Electrochemical Determination of Hemoglobin by the İmmobilization of the Analyte into a Carbon Felt Electrode (CFE) Using Cyclic Voltammetry (CV)
Avcı, Okan; Tepeli Büyüksünetçi, Yudum; Anık, Ülkü (Taylor and Francis Ltd., 2022)A practical and sensitive electrochemical sensor for hemoglobin (Hb) detection was developed. The main electrochemical reaction was the reduction of Fe (III) in the Hb structure. For the construction of the sensor, Hb was ... -
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 ... -
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 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 ... -
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-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 ...