Yazar "Fen Fakültesi" için Kimya Bölümü listeleme
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1. ENERJİ GÜNLERİ SEMPOZYUMU
Erkan Sultan (2021)Son yıllarda nüfus ve gelişen teknoloji ile paralel olarak artış gösteren enerji ihtiyacı, tükenebilen kaynakların yerine kendini yenileyebilen enerji kaynaklarının kullanımını gündeme getirmiştir. Günümüz şartlarında ... -
2. ULUSLARARASI ENERJİ GÜNLERİ
Erkan Sultan; AKSOZ Ahmet; YOLDAS Yeliz (Sivas Cumhuriyet Üniversitesi, 26-27 EYLÜ)Thanks to the 1st Energy Days, which was held for the first time in 2021 COVID-19 Pandemic and 1st Energy Days "Internationally", we brought together the competent people in the field of renewable energy, academics with ... -
A chemometric-based sonication-assisted liquid-liquid microextraction for analysis of sulfadiazine in dairy products and honey using low viscous hydrophobic deep eutectic solvents
Hatice Taspınar; Nail ALTUNAY (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 DFT study on OH radical scavenging activities of eriodictyol, Isosakuranetin and pinocembrin
Erdoğan, Şaban; Özbakır ışın, Dilara (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
H.B.Zengin; R. Gürkan (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
Zengin, Hacıbayram; Gürkan, Ramazan (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
Kırpık, Hilal; Erkan Sultan; Köse, Muhammet (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
Altunay, Nail; Hazer, Baki; Elik, Adil; Tüzen, Mustafa (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
Gürkan, Ramazan (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
GÜRKAN RAMAZAN; Zengin, Hacıbayram (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
GÜRKAN RAMAZAN; Zengin Hacıbayram (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
Zengin, Hacıbayram (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
Elik Adil; Öztürk Altunay, Ayşenur; Farooque Lanjwani, Muhammad; Tüzen, Mustafa (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 novel sonication assisted dispersive liquid-liquid microextraction method for methylparaben in cosmetic samples using deep eutectic solvent
Öztürk Altunay, Ayşenur; Elik Adil (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 pH-dependent CT sensitive method for detection of trace Mn in milk by UV-spectrophotometry
Zengin, Hacıbayram (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
Zengin Hacıbayram (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 ... -
A series of phenanthroline-imine compounds: Computational, OLED properties and fluorimetric sensing of nitroaromatic compounds.
Kose, A.; Erkan Sultan; Tümer, M. (Elsevier, 2023)In this study, Schiff base compounds (1–5) were synthesized by the reaction of 5-amino-1,10-phenanthroline with various aldehydes. The molecular structures of the synthesized compounds were characterized by FT-IR, 1H/13C ... -
A simple and green ultrasound liquid–liquid microextraction method based on low viscous hydrophobic deep eutectic solvent for the preconcentration and separation of selenium in water and food samples prior to HG-AAS detection
Altunay, Nail; Tüzen, Mustafa (Elsevier, 2021)A simple and green ultrasound liquid-liquid microextraction method based on low viscous hydrophobic deep eutectic solvent (ULLME-LV-HDES) was proposed for the preconcentration and separation of selenium prior to HG-AAS ... -
Adsorption properties of amine modified lignin-hydrogel composite for uranyl ions: Theoretical and experimental insights
Şimşek, Selçuk (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
Adil Elik; Seçkin Fesliyan; Nevcihan Gürsoy; Hameed Ul Haq; Roberto Castro-Mu˜noz; Nail ALTUNAY (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 ...