Browsing Kimya Bölümü by Title
Now showing items 17-36 of 168
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Adsorption properties of amine modified lignin-hydrogel composite for uranyl ions: Theoretical and experimental insights
(2023)A new modified material was synthesized and characterized as ethylene diamine modified (EA) Polyacrylamide (PAA)-Lignin (L). The adsorption features of EA modified PAA-L were studied for uranyl ions. The characterization ... -
An air-assisted dispersive liquid phase microextraction method based on a hydrophobic magnetic deep eutectic solvent for the extraction and preconcentration of melamine from milk and milk-based products
(Elsevier, 2023)In the current research, a fast and sustainable air-assisted hydrophobic magnetic deep eutectic solvent-based dispersive liquid phase microextraction followed by UV–Vis spectrophotometry measurements was optimized for the ... -
An air-assisted dispersive liquid phase microextraction method based on a hydrophobic magnetic deep eutectic solvent for the extraction and preconcentration of melamine from milk and milk-based products
(Elsevier, 2023)In the current research, a fast and sustainable air-assisted hydrophobic magnetic deep eutectic solvent-based dispersive liquid phase microextraction followed by UV–Vis spectrophotometry measurements was optimized for the ... -
An air-assisted dispersive liquid phase microextraction method based on a hydrophobic magnetic deep eutectic solvent for the extraction and preconcentration of melamine from milk and milk-based products
(Elsevier, 2023)In the current research, a fast and sustainable air-assisted hydrophobic magnetic deep eutectic solvent-based dispersive liquid phase microextraction followed by UV–Vis spectrophotometry measurements was optimized for the ... -
An evaluation on S-type adsorption isotherm in the model of crosslinked polyhydroxamates/oxazine dyes/water interactions
(SPRINGER, ONE NEW YORK PLAZA, SUITE 4600 , NEW YORK, NY 10004, UNITED STATES, AUG 2022)The efects of crosslinker and dye type on swelling and S-type adsorption properties of crosslinked polyhydroxamates (CHP) were investigated. CHPs containing N,Nʹ-methylenebisacrylamide (N), or ethylene glycol dimethacrylate ... -
An evaluation on S-type adsorption isotherm in the model of crosslinked polyhydroxamates/oxazine dyes/water interactions
(SPRINGER, ONE NEW YORK PLAZA, SUITE 4600 , NEW YORK, NY 10004, UNITED STATES, AUG 2022)The effects of crosslinker and dye type on swelling and S-type adsorption properties of crosslinked polyhydroxamates (CHP) were investigated. CHPs containing N,NMODIFIER LETTER PRIME-methylenebisacrylamide (N), or ethylene ... -
An indirect method for the analysis of bisphenol A, as a Mn(iii)-chelate complex, in milk samples by ultrasound assisted-cloud point extraction/flame atomic absorption spectrometry
(2022)A method for indirect determination of bisphenol A (BPA), as a Mn(iii)-chelate complex, in milk samples by flame atomic absorption spectrometry (FAAS) was developed. The method was based on cloud point extraction with ... -
An indirect method for the analysis of bisphenol A, as a Mn(III)–chelate complex, in milk samples by ultrasound assisted-cloud point extraction/flame atomic absorption spectrometry
(The Royal Society of Chemistry, 06.07.2022)A method for indirect determination of bisphenol A (BPA), as a Mn(III)–chelate complex, in milk samples by flame atomic absorption spectrometry (FAAS) was developed. The method was based on cloud point extraction with ... -
An optimization approach for fast, simple and accurate determination of indigo-carmine in food samples
(Elsevier, 2021)This study report optimization of vortex-assisted natural deep eutectic solvent based liquid-phase microextraction (VA-NADES-LPME) for determination of indigo-carmine in some food samples by UV–Visible spectrophotometer. ... -
Analysis of boronic acids containing amino ferrocene by DFT approach and in silico studies
(Elsevier, 2023)The synthesized (2)-(6) complexes and (2′)-(6′) hypothetical complexes formed by attached boranic acid esters were optimized at the DFT-B3LYP/GEN level. The structural and spectroscopic properties (IR, 1HNMR , 13CNMR ) of ... -
Anti-corrosion behavior of 2-((3-(2-morpholino ethylamino) -N3-((pyridine-2-yl)methyl)propylimino)methyl)pyridine and its reduced form on Carbon Steel in Hydrochloric Acid solution: Experimental and theoretical studies
(2022)A comparative investigation of the corrosion inhibition of two ligands, 2-((3-(2-morpholinoethylamino)-N3- ((pyridine-2-yl)methyl) propylimino) methyl)pyridine (SB) and N1-(2-morpholinoethyl)-N1,N3-bis(pyridine-2- ylme ... -
Antioxidant activities of Alyssum virgatum plant and its main components
(Springer, 01.02.2022)The antioxidant properties of methanol extract of above-ground parts of Alyssum virgatum, an endemic plant, were analyzed. Together with their total phenolic, flavonoid, and antioxidant capacities, their effects on reactive ... -
Application of a novel poly(SMAm)-Tris-Fe3O4 nanocomposite for selective extraction and enrichment of Cu(I) /Cu(II) from beer, soft drinks and wine samples, and speciation analysis by micro-volume UV-Vis spectrophotometry
(ELSEVIERRADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2021)In this study, a novel functional nanocomposite was synthesized, characterized and selectively used in pHcontrolled separation, pre-concentration and speciation analysis of Cu(I) and Cu(II) from sample matrices where ... -
Application of a novel poly(SMAm)-Tris-Fe3O4 nanocomposite for selective extraction and enrichment of Cu(I) /Cu(II) from beer, soft drinks and wine samples, and speciation analysis by micro-volume UV–Vis spectrophotometry
(ELSEVIER, 2021)In this study, a novel functional nanocomposite was synthesized, characterized and selectively used in pHcontrolled separation, pre-concentration and speciation analysis of Cu(I) and Cu(II) from sample matrices where ... -
Application of central composite design in parameters optimization of nano-structured supramolecular solvent based on liquid-liquid microextraction for determination of total lead in food, vegetables, grilled meat products, and water samples
(2022)The main aim of this research article is to develop a new sample preparation method based on liquid-liquid microextraction using nanostructured supramolecular solvent for analysis of total lead in food, vegetables, grilled ... -
Application of chemometric modeling for ionic liquid-based ultrasonic-assisted dispersive liquid-liquid microextraction: Analysis of fosetyl-aluminum in fruit and vegetable samples
(Elsevier, 2023)This manuscript presents a new method for selective extraction and determination of fosetyl-aluminum in fruits and vegetable samples based on ultrasonic-assisted dispersive liquid-liquid microextraction method using ionic ... -
Assessment of arsenic in water, rice and honey samples using new and green vortex-assisted liquid phase microextraction procedure based on deep eutectic solvent: Multivariate study
(2022)The aim of present study was to determine the arsenic in water, honey and rice samples using a new and green vortex-assisted liquid phase microextraction (VA-LPME), which is based on deep eutectic solvent (DES) by hydride ... -
Assessment of arsenic in water, rice and honey samples using new and green vortex-assisted liquid phase microextraction procedure based on deep eutectic solvent: Multivariate study
(2022)The aim of present study was to determine the arsenic in water, honey and rice samples using a new and green vortex-assisted liquid phase microextraction (VA-LPME), which is based on deep eutectic solvent (DES) by hydride ... -
Biologically active phthalocyanine metal complexes: Preparation, evaluation of α-glycosidase and anticholinesterase enzyme inhibition activities, and molecular docking studies
(Wiley, mart 2021)In this study, preparation, as well as investigation of α-glycosidase and cholinesterase (ChE) enzyme inhibition activities of furan-2-ylmethoxy-substituted compounds 1–7, are reported. Peripherally, tetra-substituted ... -
Bromination and conversion of tetrahydro-1H-indene to bisoxirane with a new approach: synthesis, structural characterization by spectroscopic and theoretical methods, and biological analysis supported by DFT and docking
(TÜBİTAK, 2023)In this study, a new method for synthesizing diepoxides is proposed. Tetrahydroindene 1 was brominated with NBS in the presence of LiClO4 and acetic acid, resulting in the formation of dibromodiacetate derivatives 2 and ...