Browsing by Author "Karaman, Onur"
Now showing items 1-13 of 13
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A comparative study of CO catalytic oxidation on the single vacancy and di-vacancy graphene supported single-atom iridium catalysts: A DFT analysis
Akca, Aykan; Karaman, Onur; Karaman, Ceren; Atar, Necip; Yola, Mehmet Lutfi (ELSEVIER, AUG 2021)Engineering of high-performance catalysts is of great importance for reducing the greenhouse gas emission by the electrocatalytic oxidation of CO. Single-atom-catalysts (SACs) have gained substantial attention thanks to ... -
Design of Co-Sn bimetallic nanoalloys as electrocatalyst for alkaline methanol oxidation reaction: Exploring the effect of electroactivation process
Dabirifar, Zeynab; Khadempir, Sara; Kardan, Alireza; Karaman, Ceren; Karaman, Onur; Yola, Mehmet Lutfi (ELSEVIER SCI LTD, JUL 1 2022)The engineering of cost-effective and durable electrocatalysts for the methanol oxidation reaction (MOR) is required for the commercialization of direct methanol fuel cells (DMFCs). Herein, a series of Co-x-Sn100-x alloy ... -
Electrochemical immunosensor development based on core-shell high-crystalline graphitic carbon nitride@carbon dots and Cd0.5Zn0.5S/d-Ti3C2Tx MXene composite for heart-type fatty acid-binding protein detection
Karaman, Ceren; Karaman, Onur; Atar, Necip; Yola, Mehmet Lutfi (SPRINGER WIEN, JUN 2021)Acute myocardial infarction (AMI) is a significant health problem owing to its high mortality rate. Heart-type fatty acid-binding protein (h-FABP) is an important biomarker in the diagnosis of AMI. In this work, an ... -
Electrochemical neuron-specific enolase (NSE) immunosensor based on CoFe2O4@Ag nanocomposite and AuNPs@MoS2/rGO
Karaman, Ceren; Bolukbasi, Omer Saltuk; Yola, Bahar Bankoglu; Karaman, Onur; Atar, Necip; Yola, Mehmet Lutfi (ELSEVIER, APR 1 2022)Small cell lung cancer (SCLC) is highly associated with the risk of early metastasis. Neuron-specific enolase (NSE), a biomarker of SCLC, is directly related to tumor burden and early diagnosis. This biomarker exists in ... -
Mechanism of methanol decomposition on the Cu-Embedded graphene: A DFT study
Akca, Aykan; Karaman, Onur; Karimi-Maleh, Hassan; Karimi, Fatemeh; Karaman, Ceren; Yola, Mehmet Lutfi; Erk, Nevin (PERGAMON-ELSEVIER SCIENCE LTD, JAN 2023)The methanol decomposition reaction has gained substantial attention due to the wide range of applications that its intermediates offer. In this work, methanol (CH3OH) decomposition on Copper-embedded graphene (CuG) surface ... -
A molecularly imprinted electrochemical biosensor based on hierarchical Ti2Nb10O29 (TNO) for glucose detection
Karaman, Ceren; Karaman, Onur; Atar, Necip; Yola, Mehmet Lutfi (SPRINGER WIEN, JAN 2022)A novel molecularly imprinted electrochemical biosensor for glucose detection is reported based on a hierarchical N-rich carbon conductive-coated TNO structure (TNO@NC ). Firstly, TNO@NC was fabricated by a novel ... -
A novel electrochemical aflatoxin B1 immunosensor based on gold nanoparticle-decorated porous graphene nanoribbon and Ag nanocube-incorporated MoS2 nanosheets
Karaman, Ceren; Karaman, Onur; Yola, Bahar Bankoglu; Ulker, Izzet; Atar, Necip; Yola, Mehmet Lutfi) (ROYAL SOC CHEMISTRY, MAY 2021)The accurate and precisive monitoring of aflatoxin B1 (AFB1), which is one of the most hazardous mycotoxins, especially in agricultural products, is significant for human and environmental health. AFB1 generally contaminates ... -
A novel electrochemical kidney injury molecule-1 (KIM-1) immunosensor based covalent organic frameworks-gold nanoparticles composite and porous NiCo2S4@CeO2 microspheres: The monitoring of acute kidney injury
Boyacioglu, Havva; Yola, Bahar Bankoglu; Karaman, Ceren; Karaman, Onur; Atar, Necip; Yola, Mehmet Lutfi (ELSEVIER, MAR 15 202)Acute kidney injury is among the most severe health problems today, with the greatest fatality ratios. The kidney injury molecule-1 (KIM-1) is considered to be a potential biomarker for diagnosis of the acute kidney injury. ... -
A Novel Molecularly Imprinting Biosensor including Graphene Quantum Dots/Multi-Walled Carbon Nanotubes Composite for Interleukin-6 Detection and Electrochemical Biosensor Validation
Özcan, Nermin; Karaman, Ceren; Atar, Necip; Karaman, Onur; Yola, Mehmet Lütfi (IOP Publishing Ltd, December 2)Interleukin-6 (IL-6) as a pro-inflammatory cytokine demonstrate a critical role in the inflammatory response. Especially, the high levels of IL-6 measured in plasma have been associated with pathological inflammation. In ... -
Sensitive sandwich-type electrochemical SARS-CoV-2 nucleocapsid protein immunosensor
Karaman, Ceren; Yola, Bahar Bankoglu; Karaman, Onur; Atar, Necip; Polat, Ilknur; Yola, Mehmet Lutfi (SPRINGER WIEN, DEC 2021)A sensitive and fast sandwich-type electrochemical SARS-CoV-2 (COVID-19) nucleocapsid protein immunosensor was prepared based on bismuth tungstate/bismuth sulfide composite (Bi2WO6/Bi2S3) as electrode platform and graphitic ... -
Sustainable electrode material for high-energy supercapacitor: biomass-derived graphene-like porous carbon with three-dimensional hierarchically ordered ion highways
Karaman, Ceren; Karaman, Onur; Atar, Necip; Yola, Mehmet Lutfi (ROYAL SOC CHEMISTRY, JUN 2 2021)Biomass-derived carbonaceous materials have been deemed to be one of the up-and-coming electrode materials for high-performance energy storage systems due to their cost-neutral abundant resources, sustainable nature, easy ... -
Tailoring of cobalt phosphide anchored nitrogen and sulfur co-doped three dimensional graphene hybrid: Boosted electrocatalytic performance towards hydrogen evolution reaction
Karaman, Ceren; Karaman, Onur; Atar, Necip; Yola, Mehmet Lutfi (PERGAMON-ELSEVIER SCIENCE LTD, JUN 1 2021)The tailoring of a high-performance, low-cost hybrid electrocatalysts with excellent stability in acidic media for hydrogen evolution reaction (HER) has gain paramount importance. Herein, the cobalt phosphide decorated ... -
Theoretical Insights into the NH3Decomposition Mechanism on the Cu- And Pt- Embedded Graphene Surfaces: A DFT Approach
Akca, Aykan; Kücük, Hilal; Karaman, Onur; Karaman, Ceren; Atar, Necip; Yola, Mehmet Lütfi (IOP Publishing Ltd, 2021)Herein, the catalytic activities of Cu-and Pt-embedded graphene surfaces on the sequential decomposition reaction of NH3 molecule were investigated by density functional theory (DFT). Partial charge changes on the surfaces ...
