Browsing Kimya Mühendisliği Bölümü by Access Type "info:eu-repo/semantics/closedAccess"
Now showing items 1-20 of 27
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Activity and stability of TiO2 samples with different phase compositions in the decomposition of formaldehyde in SCW
(ELSEVİER, 6 January )TiO2 samples with different crystal sizes and compositions were synthesized using a sol-gel method at different calcination temperatures (350–900 °C). The activity and stability of TiO2 samples were determined by the ... -
Ag@Fe3O4 nanoparticles decorated NrGO nanocomposite for supercapacitor application
(2023)There is still a great need for production and design of electrode materials with superior electrochemical properties for supercapacitor application. Nanocomposites containing graphene-based metal-metal oxide nanostructures ... -
An anticancer drug loading and release study to ternary GO-Fe3O4-PPy and Fe3O4 @PPy-NGQDs nanocomposites for photothermal chemotherapy
(2022)Photothermal therapy (PTT) is a new treatment method being developed against traditional cancer therapy methods. In this study, graphene oxide-iron oxide-polypyrrole (GO-Fe3O4-PPy) and iron oxide@polypyrrolenitrogen doped ... -
Anaerobic digestion of sugar beet pulp after acid thermal and alkali thermal pretreatments
(Springer Berlin Heidelberg, 2021/6)In this study, biogas production was investigated in mesophilic conditions from sugar beet pulp (SBP). In untreated conditions, water dissolution rate was 15.5% and biogas production rate was 168.7 mL/g TS (total solid). ... -
Cytotoxic effect, spectroscopy, DFT, enzyme inhibition, and moleculer docking studies of some novel mesitylaminopropanols: Antidiabetic and anticholinergics and anticancer potentials
(Elsevier, 09.10.2021)b-Amino alcohols (2–4) used in this study were re-synthesized in accordance with our previous study. All compounds were characterized by the combination of NMR, UV–Vis, IR experimental and theoretical spectral data. Then, ... -
Development of new adsorbents via microwave treatment magnetic PET synthesis from waste PET and investigation of TC removal
(Elsevier, 2021)In this study; new, economic and environment friendly adsorbents were synthesized using waste polyethylene terephthalate based adsorbent, derived from waste PET bottles, WPET, nano-scale zero valent iron modified adsorbent ... -
Direct co-deposition of binder-free Cu-biochar-based nonenzymatic disposable sensing element for electrochemical glucose detection
(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 ... -
Efficient adsorption of Basic Blue 41 from textile wastewaters by natural and magnetically modified Manisa-Gordes clinoptilolite
(Elsevier, 2021/12/1)A new magnetic zeolite was prepared by the chemical co-precipitation of Fe2+ and Fe3+ in the presence of natural Manisa- G ̈ordes clinoptilolite. The adsorption of Basic Blue 41 (BB41) from aqueous solutions on natural ... -
Energy Storage Performance of Nitrogen Doped Reduced Graphene Oxide/Co-Doped Polyaniline Nanocomposites
(Şubat 2023)The design and exploration of carbon-based electrode materials have become highly significant for developing supercapacitor technology, which has attracted considerable attention in energy storage systems. Here, nitrogen-doped ... -
Evaluation of characteristics of raw tea waste‑derived adsorbents for removal of metals from aqueous medium
(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
(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 ... -
Evaluation of Stability and Catalytic Activity in Supercritical Water of Zinc Oxide Samples Prepared by the Sol–Gel Method
(Springer, December 2)Nano-and micro-sized ZnO samples were synthesized by the sol–gel method. Physical and thermal stability of ZnO samples were tested in supercritical water (SCW) and supercritical water gasification (SCWG) of formaldehyde. ... -
Extraction of sunflower oil with supercritical CO2: Experiments and modeling
(ELSEVIER SCIENCE BV, 2006)Extraction of sunflower oil from sunflower seeds (Heliantus annuus L.) using supercritical CO2 was studied. The shrinking core model was applied to the modeling of the packed-bed extraction process. The experimental data ... -
Fabrication of polypyrrole enveloped reduced graphene oxide/iron oxide and determination of its photothermal properties
(2022)Recently photothermal therapy has been viewed as an alternative to cancer treatment methods, fabrication of photosensitizing agents with high photothermal conversion efficiency has gained importance. In this study, polypyrrole ... -
Graphene oxide/polyaniline/silver nanocomposite synthesis and photothermal performance
(2023)In this study, synthesis and characterization of graphene oxide-polyaniline-Ag nanocomposites (GO-PANI-Ag) as a photothermal agent are demonstrated. In situ polymerization process was used to prepare the ternary ... -
Investigation of structural, morphology, and conduction mechanism of GO–Fe3O4–TiO2 composite material
(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% ... -
Mechanochemical Pretreatment for Waste-Free Conversion of Bamboo to Simple Sugars: Utilization of Available Resources for Developing Economies
(05.01.2022)In this work, mechanochemical pretreatment of Bambusa vulgaris is evalu-ated for waste-free production of renewable sugars for subsequent fermen-tation. After a 60 min mechanochemical pretreatment followed by enzyme ... -
N-doped reduced graphene oxide/MnO2/co-doped polyaniline ternary nanocomposites for electrochemical energy storage applications
(2023)The development and design of electrode materials with high electrochemical performance is of great importance for developing of supercapacitors, which are accepted as reliable power sources for portable and electric vehicles. ... -
Nitrogen-doped graphene quantum dots/co-doped PANI binary nanocomposites as high-performance supercapacitor electrode materials
(2023)In this paper, a suitable and high-performance electrode material for practical applications was developed using a simple two-step approach. Here, we report that nitrogen-doped graphene quantum dots with co-doped ... -
Preparation and characterization of nanosized Fe3O4-biochar electrocatalysts with large surface area for H2O2 sensing
(Elsevier, Nisan 2022)A nanoscale Fe3O4-biochar (Fe-BC) composite material was prepared using hazelnut shell (HNS) biochar and FeCl2. Biochar was prepared by phosphoric acid (H3PO4)-assisted pyrolysis (BCA) and H3PO4 + microwave (MW)-assisted ...