Güncel Gönderiler: Kimya Mühendisliği Bölümü Koleksiyonu
Toplam kayıt 39, listelenen: 1-20
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Production and characterization of gum exudate from apricot tree: modeling the rheology of the obtained extract
(Emerald Publishing, 2024)Purpose This paper aims to investigate the effect of shear rate, concentration (4-20 kg/m(3)) and temperature (20 degrees C-60 degrees C) on the apparent viscosity of apricot gum solutions. Design/methodology/approach ... -
Boron removal from wastewater by direct contact membrane distillation system using two-level factorial design
(Taylor and Francis Ltd., 2024)Numerous industries use boron and its compounds in various applications. In this study, the removal of boron from an aqueous solution by direct contact membrane distillation (DCMD) system. A 23 full factorial experimental ... -
Symmetrical and Asymmetrical Thiophene-Coumarin-Based Organic Semiconductors
(American Chemical Society, 2024)Organic semiconductors are a valuable material class for optoelectronic applications due to their electronic and optical properties. Four new symmetric and asymmetric thiophene-coumarin derivatives were designed and ... -
Designing effective underwater self-cleaning surfaces by investigating the oil dewetting ability of hydrophobic and underwater superoleophobic Poly(Diisobutyl Glycolide)-Silica composite surfaces
(Elsevier B.V., 2024)This study introduces composite thin films of amphiphilic structures to fabricate underwater superoleophobic surfaces. The hydrophobic part of the structure is created by poly(diisobutyl glycolide) thanks to a side chain ... -
Chitin-based porous carbons from Hermetia illucens fly with large surface area for efficient adsorption of methylene blue; adsorption mechanism, kinetics and equilibrium studies
(Elsevier B.V., 2024)Precursor of activated carbon were empty casings of pupas of Hermetia illucens fly. The precursor was subjected either to physical activation (CO2) or chemical activation (H3PO4, K2CO3, Na2CO3). Impregnation with potassium ... -
Effects of molecular weight of polyethylene glycol with size and ratio of fumed silica on rheological behavior of shear thickening fluid
(Elsevier Ltd, 2024)The rheological models of shear thickening fluids (STFs), which have recently been used in many fields, are estimated using a statistical method in this study. Although research has been carried out to predict the rheological ... -
Fabrication of Zr MOF-doped polyvinylidene fluoride membranes and testing in H-type microbial fuel cell
(Elsevier Ltd, 2024)Microbial fuel cells (MFCs) are an important tool that generates electricity from waste biomass. Polymer electron membrane supported dual-chamber MFCs are one of the most tested microbial fuel cells. The most important ... -
Enhancing Mo leaching efficiency from spent catalyst via Fenton-like oxidation process: A comprehensive investigation of leaching effects, mechanism and environmental impacts
(Elsevier B.V., 2024)Spent hydrodesulfurization (HDS) catalyst contains considerable amounts of Mo, Ni and V, is an important secondary resource for these valuable metals. Direct acid solution leaching method exhibits poor separation effect ... -
A novel acetylcholinesterase inhibition based colorimetric biosensor for the detection of paraoxon ethyl using CUPRAC reagent as chromogenic oxidant
(Elsevier B.V., 2024)A novel colorimetric biosensor for the sensitive and selective detection of an organophosphate pesticide, paraoxon ethyl (POE), was developed based on its inhibitory effect on the acetylcholine esterase (AChE) enzyme. The ... -
High-efficiency recycling of Mo and Ni from spent HDS catalysts: Enhanced oxidation with O2-rich roasting and selective separation with organic acid leaching- complexation extraction
(Elsevier B.V., 2024)Spent petroleum refining catalyst is regarded as the important secondary resource for valuable metals. However, common recycling strategies, including soda roasting, acid and alkaline solutions leaching and chemically ... -
Synthesis of magnetic activated carbon from industrial waste: characterization, tetracycline removal and interpretation of its mechanism
(Springer Science and Business Media Deutschland GmbH, 2024)Tetracycline is the second most widely used antibiotic, and its presence in wastewater is increasing with the increasing use of TC, which is of global concern. For the removal of TC from wastewater, magnetic activated ... -
Grafting of perylene and naphthalene fluorophores onto chitosan for improved thermal, optical and electrical properties
(Polymer Society of Korea, 2024)The grafting of N-(4-hydroxyphenyl)-3,4,9,10-perylenetetracarboxylic-3,4-anhydride-9,10-imide (4) and N-(4-hydroxyphenyl)-1,4,5,8-naphthalenetetracarboxylic-1,8-anhydride-4,5-imide (8) onto low-molecular-weight chitosan ... -
The Role of Electron-Donating Subunits in Cross-Linked BODIPY Polymer Films
(John Wiley and Sons Inc, 2023)A new method for synthesizing cross-linked 4,4-difluoro-4-bora-3a,4a-diaza-s-indacenes (BODIPYs) using a radical-based thiol-ene click reaction is developed. This method is simple, efficient, and cost-effective, and it ... -
Investigation of rheological behavior of produced HSTF and evaluation of energy dissipation performance by application to Twaron fabric
(Springer Science and Business Media Deutschland GmbH, 2023)In this research, the rheological behavior of shear thickening fluid (STF), produced using many nanoparticles, has been investigated. Fumed silica, multi-walled carbon nanotube (MWCNT), graphene nanoplate (GFNP), and silicon ... -
Direct Photopatterning of BODIPY-Based Small Molecules via Thiol-ene Click Chemistry
(John Wiley and Sons Inc, 2023)We demonstrate a BODIPY-based small molecule photopatterned surface by thiol-ene click chemistry at room temperature utilizing only 366 nm UV light. The resulting cross-linked polymer exhibits porous surfaces according to ... -
NiFe2O4/polyhydroxymethyl methacrylate and Fe3O4/polyhydroxymethyl methacrylate magnetic nanogels for lipase immobilization
(Taylor and Francis Ltd., 2023)In this study, the optimization and characterization of NiFe2O4/Polyhydroxymethyl methacrylate (NF-pHEMA) and Fe3O4/Polyhydroxymethyl methacrylate (M-pHEMA) magnetic nanogel structures were carried out and the usability ... -
Development of plant-based biopolymer coatings for 3D cell culture: boron-silica-enriched quince seed mucilage nanocomposites
(Royal Society of Chemistry, 2023)Spheroid formation with spontaneous aggregation has captured interest in most cell culture studies due to its easy set-up and more reliable results. However, the economic and technical costs of the advanced systems and ... -
Viologen-Based Covalent Organic Frameworks toward Metal-Free Highly Efficient Photocatalytic Hydrogen Evolution
(American Chemical Society, 2023)Covalent organic frameworks (COFs) have shown promise in the field of photocatalysts for hydrogen evolution. Many studies have been carried out using various electroactive and photoactive moieties such as triazine, imide, ... -
Boron removal from wastewater by direct contact membrane distillation system using two-level factorial design
(Taylor and Francis Ltd., 2023)Numerous industries use boron and its compounds in various applications. In this study, the removal of boron from an aqueous solution by direct contact membrane distillation (DCMD) system. A 23 full factorial experimental ... -
Thermal decomposition kinetics of synthesized poly(N-isopropylacrylamide) and Fe3O4 coated nanocomposite: Evaluation of calculated activation energy by RSM
(Taylor and Francis Ltd., 2023)In this study, poly(n-isopropylacrylamide) (PNIPA) has been synthesized by the free-radical polymerization method using azobisisobutyronitrile the initiator. Then, nanoparticle-PNIPA composite is prepared with magnetic ...
