Browsing Sivas Cumhuriyet Üniversitesi Fen Fakültesi by Title
Now showing items 10-29 of 587
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A chemometric-based sonication-assisted liquid-liquid microextraction for analysis of sulfadiazine in dairy products and honey using low viscous hydrophobic deep eutectic solvents
(Elsevier, 2023)This research article describes a new method for efficient extraction of sulfadiazine in dairy products and honey using low viscous hydrophobic deep eutectic solvents (DESs). The analytical method involved the use of a ... -
A comprehensive and current review on the role of flavonoids in lung cancer–Experimental and theoretical approaches
(17 Şubat )Background: It is well-known that flavonoids, which can be easily obtained from many fruits and vegetables are widely preferred in the treatment of some important diseases. Some researchers noted that these chemical compounds ... -
A DFT study on OH radical scavenging activities of eriodictyol, Isosakuranetin and pinocembrin
(2021)Flavonoids are natural compounds with antioxidant properties that have positive effects on human health, which reduce toxic effects of reactive oxygen species (ROS) and partially oxidative damage. In the work, the density ... -
A magnetic nanocomposite based on amine‑functionalized pH‑sensitive functional poly(styrene‑co‑maleic anhydride) copolymer for selective extraction, pre‑concentration and determination of sub‑trace Ag+ and Cu2+ ions from edible vegetable oils by a combination of spectrophotometry and ultrasound‑assisted cloud point extraction
(2022)In this study, a new magnetic nanocomposite based on amine-functionalized pH-sensitive poly(styrene-co-maleic anhydride) copolymer derived from the tris(2-hydroxymethyl)aminomethane and Fe3O4 nanoparticles was designed, ... -
A magnetic nanocomposite based on amine‑functionalized pH‑sensitive functional poly(styrene‑co‑maleic anhydride) copolymer for selective extraction, pre‑concentration and determination of sub‑trace Ag+ and Cu2+ ions from edible vegetable oils by a combination of spectrophotometry and ultrasound‑assisted cloud point extraction
(Springer, 04.04.2022)In this study, a new magnetic nanocomposite based on amine-functionalized pH-sensitive poly(styrene-co-maleic anhydride) copolymer derived from the tris(2-hydroxymethyl)aminomethane and Fe3O4 nanoparticles was designed, ... -
A new 3-substituted BODIPY dye: Synthesis, crystal structure, photophysical, non-linear optic and OLED properties
(Elsevier, 15 March 2)A BODIPY derivative (compound 2), substituted with 4-nitrophenyl at the meso position and its 3-pyrrole substituted derivative (compound 3) were synthesized and characterized. The structure of compound 3 was elucidated by ... -
A new analytical approach for preconcentration, separation and determination of Pb(II) and Cd(II) in real samples using a new adsorbent: Synthesis, characterization and application
(Elsevier, 2021)A green and efficient analytical approach was reported for simultaneous preconcentration, and separation of Pb(II) and Cd(II) in water, vegetables, and barbecue samples by dispersive solid-phase microextraction prior to ... -
A New Enrichment Method for Quantification of 5-Hydroxymethylfurfural by Indirect Flame Atomic Absorption Spectrometry in Honey and Jam Samples
(OXFORD UNIV PRESS INCJOURNALS DEPT, 2001 EVANS RD, CARY, NC 27513, 2021)Background: Because of increasing amounts of 5-hydroxymethylfurfural (5-HMF) in processed foods and the complexity of the matrix, monitoring of trace 5-HMF requires accurate and reliable methods. Hence, an efficient sample ... -
A new pre-concentration procedure based on poly(styrene-co-maleamide and imide) copolymers modified with 2-hydrazinobenzothiazole prior to spectrophotometric monitoring of inorganic as (as As(III)) in edible vegetable oils
(Elsevier, 27 Decembe)This study describes the development of 2-hydrazinobenzothiazole modified-amide/imide co-polymers for the extraction/pre-concentration of trace As(III), from edible vegetable oils. Their characterization was realized by ... -
A new pre-concentration procedure based on poly(styrene-co-maleamide and imide) copolymers modified with 2-hydrazinobenzothiazole prior to spectrophotometric monitoring of inorganic as (as As(III)) in edible vegetable oils
(Elsevier, 27 Decembe)This study describes the development of 2-hydrazinobenzothiazole modified-amide/imide co-polymers for the extraction/pre-concentration of trace As(III), from edible vegetable oils. Their characterization was realized by ... -
A new pre-concentration procedure based on poly(styrene-co-maleamide and imide) copolymers modified with 2-hydrazinobenzothiazole prior to spectrophotometric monitoring of inorganic as (as As(III)) in edible vegetable oils
(Elsevier, 27 Decembe)This study describes the development of 2-hydrazinobenzothiazole modified-amide/imide co-polymers for the extraction/pre-concentration of trace As(III), from edible vegetable oils. Their characterization was realized by ... -
A new ultrasound-assisted liquid-liquid microextraction method utilizing a switchable hydrophilicity solvent for spectrophotometric determination of nitrite in food samples
(Elsevier, 2023)A new and sustainable switchable hydrophilicity solvent-based ultrasound-assisted liquid-liquid microextraction (SHS-UA-LLME) procedure was proposed to extract and determine nitrite in heat processed foods using a ... -
A Note on Pseudoparallel Submanifolds of Lorentzian para-Kenmotsu Manifolds
(Published by Faculty of Sciences and Mathematics, 2023)In this article,pseudoparallel submanifolds for Lorentzianpara Kenmotsu manifolds are investigated.The Lorentzian para-Kenmotsu manifoldis considered on the W1−curvature tensor.Submanifolds of these manifolds with properties ... -
A Novel Isolate (S15) of Streptomyces griseobrunneus Produces 1‑Dodecanol
(Springer, 2021)One-dodecanol was identified to be the predominant secondary metabolite of a novel isolate (S15) of Streptomyces griseobrunneus. For its demonstration, secondary metabolite extracts were electrophoresed by sodium dodecyl ... -
A novel sonication assisted dispersive liquid-liquid microextraction method for methylparaben in cosmetic samples using deep eutectic solvent
(2022)A simple, green and sensitive analytical methodology for extraction and determination of methylparaben (MP) in cosmetic samples, based on deep eutectic solvent-based sonication assisted dispersive liquid-liquid microextraction ... -
A novel, conserved and possibly functional motif “WHWGHTW” in mitochondrial transcription across Bilateria
(2023)The animal mitogenomes which undergone a reductive evolution has an obvious loss of coding capacity compared to their known closest relatives, but it has not yet been fully investigated why and how the intergenic regions ... -
A novel, conserved and possibly functional motif “WHWGHTW” in mitochondrial transcription across Bilateria
(2023)The animal mitogenomes which undergone a reductive evolution has an obvious loss of coding capacity compared to their known closest relatives, but it has not yet been fully investigated why and how the intergenic regions ... -
A partial inverse problem for non-self-adjoint Sturm–Liouville operators with a constant delay
(De Gruyter, 2023)In this paper, we study a partial inverse spectral problem for non-self-adjoint Sturm–Liouville operators with a constant delay and show that subspectra of two boundary value problems with one common boundary condition are ... -
A pH-dependent CT sensitive method for detection of trace Mn in milk by UV-spectrophotometry
(Elsevier, Available )In this study, a new method was developed for the extractive pre-concentration/detection of trace Mn in milk prior to analysis by UV-spectrophotometry. The method is based on the pH-controlled intra-ligand charge transfer ... -
A pH-dependent CT sensitive method for detection of trace Mn in milk by UV-spectrophotometry
(1 Septembe)In this study, a new method was developed for the extractive pre-concentration/detection of trace Mn in milk prior to analysis by UV-spectrophotometry. The method is based on the pH-controlled intra-ligand charge transfer ...