Browsing Kimya Bölümü by Title
Now showing items 79-98 of 171
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Experimental and theoretical investigation for the spectrophotometric determination of thiabendazole in fruit samples
(Elsevier, 2021)A simple, green, and effective vortex-assisted dispersive liquid–liquid microextraction method was developed for separation, preconcentration and spectrophotometric determination of thiabendazole in fruit samples. This ... -
Experimental and theoretical investigation of corrosion inhibition effect of two piperazine-based ligands on carbon steel in acidic media
(2022)In this study, the corrosion of carbon steel in 1.0 M HCl solutions containing either 1,4-bis(2-(2-hydroxyethyliminomethyl) phenyl)piperazine (1) or its reduced form, 1,4-bis(2-(2-hydroxyethylaminomethyl)phenyl)piperazine (2), ... -
Experimental and theoretical investigation of inhibition behavior of 2-((4-(dimethylamino)benzylidene)amino)benzenethiol for carbon steel in HCl solution
(2021)2-((4-(dimethylamino) benzylidene)amino)benzenethiol (DBB) compound has been synthesized and tested for prevention of carbon steel corrosion in HCl at different temperatures. The research was carried out using ... -
Experimental and theoretical study of new Schiffbases based on imidazo(1,2-a)pyridine as corrosion inhibitor of mild steel in 1M HCl
(Elsevier, Şubat 2021)In this work, we report a study on the synthesis and characterization, using several spectroscopic techniques such as IR, 13C NMR, 1H NMR and mass spectroscopy, of a new series of Schiff bases based on imidazo(1,2a)pyridine ... -
Experimental design of ligandless sonication-assisted liquid- phases microextraction based on hydrophobic deep eutectic solvents for accurate determination of Pb(II) and Cd(II) from waters and food samples at trace levels
(2022)A straightforward, accurate and efficient analytical procedure was developed by ligandless sonication-assisted liquid- phases microextraction based on hydrophobic deep eutectic solvents (SA-LPME-HDES) to trace toxic Pb(II) ... -
Experimental design of ligandless sonication-assisted liquid- phases microextraction based on hydrophobic deep eutectic solvents for accurate determination of Pb(II) and Cd(II) from waters and food samples at trace levels
(2022)A straightforward, accurate and efficient analytical procedure was developed by ligandless sonication-assisted liquid- phases microextraction based on hydrophobic deep eutectic solvents (SA-LPME-HDES) to trace toxic Pb(II) ... -
Experimental design of magnetic ionic liquid ultrasound-assisted dispersive liquid-liquid microextraction for the determination of 5-HMF in honey samples
(2022)A green, sensitive, and accurate ultrasound-assisted dispersive liquid-liquid microextraction (UA-DLLME) procedure using a magnetic ionic liquid (magnetic-IL) was optimized for the preconcentration and extraction of ... -
Feasibility of supramolecular nanosized solvent based microsyringe-assisted liquid-phase microextraction for preconcentration and separation of Vitamin B12 from infant formula, food supplement, and dairy products: Spectrophotometric analysis and chemometric optimization
(Elsevier, 2021)Here, a novel cheap and green analytical method based on supramolecular nanosized solvent based microsyringe-assisted liquid phase microextraction (SS MA LPME) was developed and validated for preconcentration and separation ... -
Feasibility of supramolecular nanosized solvent based microsyringe-assisted liquid-phase microextraction for preconcentration and separation of Vitamin B12 from infant formula, food supplement, and dairy products: Spectrophotometric analysis and chemometric optimization
(Elsevier, 2021)Here, a novel cheap and green analytical method based on supramolecular nanosized solvent based microsyringe-assisted liquid phase microextraction (SS MA LPME) was developed and validated for preconcentration and separation ... -
Half-inverse problems for the quadratic pencil of the Sturm–Liouville equations with impulse
(2021)In this paper, we consider the inverse spectral problem for the impulsive Sturm–Liouville differential pencils on [0, π] with the Robin boundary conditions and the jump conditions at the point 𝜋������ 2 . We prove ... -
Halogens effect on spectroscopy, anticancer and molecular docking studies for platinum complexes
(Elsevier, Ekim 2021)Pt(dpb)Cl, Pt(Fdpb)Cl, Pt(F2dpb)Cl and Pt(dpb)I complexes are examined by computational chemistry method in all aspects. Hartree-Fock (HF) and Density Functional Theory (DFT) methods at B3LYP and M062X level of functions ... -
Improved carbon steel corrosion characteristics in static and hydrodynamic HCl media by two novel N2O2 ligands: Experimental and theoretical studies
(2023)Background: Expanding the use of carbon steel in various industrial operations is always associated with challenges due to many engineering factors in the selection of materials. However, carbon-steel corrosion is a ... -
In Silico and In Vitro Studies of Novel Azomethines on DNA Repair Genes in Gastric Cell Lines
(MDPI, 2023)We herein report the determination of the cytotoxic activity and expression profiles of some DNA repair genes of newly synthesized azomethines in the gastric cancer cell line (AGS). The studied novel compounds were synthesized ... -
Influence of some crosslinkers on the swelling of acrylamide-crotonic acid hydrogels
(1997)Acrylamide-crotonic acid hydrogels in the form of rods are prepared by ?-irradiation of quaternary mixtures of acrylamide-crotonic acid-crosslinker-water with 2.6 and 5.2 kGy ?-rays. The influence of the applied dose, the ... -
International Energy Days 2022
(2022)Thanks to the 1st Energy Days, which was held for the first time in 2021 COVID-19 Pandemic, we brought together the competent people in the field of renewable energy, academics with important studies on the subject, students ... -
The investigation of corrosion inhibition efficiency on some benzaldehyde thiosemicarbazones and their thiole tautomers: Computational study
(ELSEVIER SCIENCE BV, 2015)Quantum chemical calculations using three methods, Hartree-Fock (HF), Moller-Plesset (MP) and density functional theory (DFT/B3LYP) method with SOD, 6-31G(d,p) and 6-31++G(d,p) basis sets are performed some benzaldehyde ... -
Investigation of substituent effect on rhenium complexes by DFT methods: Structural analysis, IR spectrum, quantum chemical parameter, NLO and OLED properties, molecular docking
(Elsevier, 2023)For the synthesized 9b, 9c and 9d complexes, hypothetical complexes were formed by adding electron-withdrawing (NO2) and electron-donating (NH2) groups. Benchmark analysis was performed using the bond lengths of the ... -
Investigation of the applicability of fatty acid-based deep eutectic solvent based air assisted liquid liquid microextraction for the rapid determination and extraction of butylparaben in cosmetic products
(2022)In this research paper, fatty acid-based deep eutectic solvents (FA-DESs) were prepared and investigated for the extraction of butylparaben (BP) from cosmetic products by air assisted liquid liquid microextraction (AA-DLLME). ... -
Investigations of Hg(II) analysis in real samples via computational chemistry, experimental design, and green microextraction approach
(Elsevier, 2021)An economical and green nanostructured supramolecular solvent-based ultrasound-assisted homogeneous liquid-liquid microextraction procedure was developed to separate and preconcentrate Hg(II) ions in water and vegetable ... -
Investigations of Hg(II) analysis in real samples via computational chemistry, experimental design, and green microextraction approach
(Elsevier, 2021)An economical and green nanostructured supramolecular solvent-based ultrasound-assisted homogeneous liquid-liquid microextraction procedure was developed to separate and preconcentrate Hg(II) ions in water and vegetable ...