Browsing by Author "Ayten Ateş"
Now showing items 1-10 of 10
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Direct co-deposition of binder-free Cu-biochar-based nonenzymatic disposable sensing element for electrochemical glucose detection
Lucyana D. Larasati; Ayten Ateş; Kürşad Oğuz Oskay (01.11.2023)This work is the first attempt to incorporate biochar on a pencil graphite electrode via one-step electrodeposition as a rational route for refining a copper-based biosensor for a high-performance nonenzymatic electrochemical ... -
Evaluation of characteristics of raw tea waste‑derived adsorbents for removal of metals from aqueous medium
Ayten Ateş; Yasemin Mert; Michael T. Timko (01.06.2023)Chemical modification and microwave activation are cost-effective and eco-friendly engineering methods to improve biochar’s physicochemical and adsorption performance. Therefore, a series of biochars samples was produced ... -
Evaluation of iron containing biochar composites prepared by different preparation methods for H2O2 sensing
Ayten Ateş; Kürşad Oğuz Oskay (19.10.2023)Background The procedures employed to prepare the ferrous biochar samples, the iron salts utilized, and their quantities have an effect on the surface characteristics of the material and the types of iron that will develop ... -
Investigation of structural, morphological, and electrical conductivity study for understanding transport mechanisms of perovskite CH3NH3HgCl3
Imen Gharbi; Abderrazek Oueslati; Ayten Ateş; Abdelfattah Mahmoud; Mustapha Zaghrioui; Mohamed Gargouri (29.03.2023)Along with morphological and structural studies, the temperature and frequency dependence of the electrical and dielectric properties of the CH3NH3HgCl3 (MATM) compound was investigated and analyzed. SEM/EDS and XRPD ... -
Investigation of structural, morphology, and conduction mechanism of GO–Fe3O4–TiO2 composite material
Ayten Ateş; Khawla Ben Brahim; Neşe Keklikçioğlu Çakmak; Abderrazek Oueslati; Mohamed Gargouri (23.08.2023)The graphene oxide composite (GO), iron oxide (Fe3O4), and titanium dioxide (TiO2) were prepared by the sol–gel process. The surface of GO is coated with TiO2 and Fe3O4 nanoparticles, and the composite contains 10.26% ... -
Optimization of Paracetamol and Chloramphenicol Removal by Novel Activated Carbon Derived from Sawdust Using Response Surface Methodology
Mohamed Romdhani; Afef Attia; Catherine Charcosset; Samia Mahouche-Chergui; Ayten Ateş; Joelle Duplay; Raja Ben Amar (01.02.2023)Paracetamol (PCT) and chloramphenicol (CPL) can have unfavorable impacts on human health, as well as on natural ecosystems. These substances contribute to the aquatic environment’s contamination and disturb the performance ... -
Preparation, Characterization, and Application of Metal Oxide-Doped Zeolitic Imidazolate Framework
Fulya Kümbetlioğlu; Kürşad Oğuz Oskay; Zafer Çıplak; Ayten Ateş (20.07.2023)Metal−organicframeworks(MOFs)attracttheattentionof researchersdue to their uniqueproperties,such ashigh surfacearea, porosity,and stability.Therefore,in this study,the synthesisof zeoliticimidazoleframeworks(ZIF-8),a ... -
Structural, dielectric and transport properties of NaxFe1/2Mn1/2O2 (x=1 and 2/3)
Faouzi Missaoui; Kawthar Trablsi; Krimi Moufida; Ayten Ateş; Abdelfattah Mahmoud; Frédéric Boschini; Abdallah Ben Rhaiem (13.06.2023)NaxFe1/2Mn1/2O2 (x = 1 and 2/3) layered oxides were prepared by an improved solid-state synthesis method. The XRD analysis confirmed the high purity of these samples. The Rietveld refinement of the crystalline structure ... -
Synthesis and characterization of molybdenum trioxide with an orthorhombic crystal structure for supercritical water gasification application
Ayten Ateş; Hakan Hatipoğlu (01.03.2023)Supercritical water (SCW) catalytic gasification is promising for the production of synthetic gas from biomass. However, maintaining the activity of heterogeneous catalysts under high pressure and hydrothermal conditions ... -
The effect of microwave and ultrasound activation on the characteristics of biochar produced from tea waste in the presence of H3PO4 and KOH
Ayten Ateş (01.07.2023)The mechanism of chemical and physical activation during biomass pyrolysis is crucial for the more effective use of biomass and the preparation of functional porous biochemical materials. In this study, raw tea waste (RTW) ...