Browsing Kimya Bölümü Makale Koleksiyonu by Issue Date
Now showing items 1-20 of 166
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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 ... -
Optoelectronic and electric properties of 8‐Hydroxyquinoline-Based complexes with divalent metal ions
(Elseiver, 01.04.2022)Firstly, the metallic complexes containing 8‐hydroxyquinoline were designed theoretically to investigate their optoelectronic properties (M = Sc2+, Ti2+, V2+, Cr2+, Mn2+, Fe2+, Co2+, Ni2+, Cu2+, Zn2+ Pd2+, and Pt2+ and Q: ... -
The design of push-pull substituted coronene molecules for optoelectronic applications
(Elseiver, 01.06.2023)The optoelectronic and electronic properties of coronene ([6]circulene) and push-pull coronene molecules were predicted by using different computational chemistry programs. For this aim, the electron/hole reorganization ... -
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, ... -
Organic light‐emitting diode behaviors of some synthesized platinum (II)‐based complexes
(Wiley, 05.11.2023)Organic light-emitting light diodes (OLEDs) have been increasingly used in displays, replacing liquid-crystal displays (LCD) and light-emitting diodes (LEDs) panels. The increase in commercial use of OLED has led to the ... -
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 ... -
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 ... -
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 ... -
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 ... -
Spatio-temporal change of heavy metal pollution in Sivas City [Sivas kenti'nde agir metal kirliliginin yerel ve zamansal degisimi]
(2000)The anthropogenic heavy metal pollution of Sivas city was traced at seven stations which had the characteristic properties of the city, spatially and temporally, during the summer seasons, between 1992-1994. The heavy ... -
Determination of the surface properties of untreated and chemically treated kaolinites by inverse gas chromatography
(2006)Inverse gas chromatography is used to study the surface properties of the untreated and chemically treated kaolinite samples. Changes in the enthalpy of adsorption for a variety of probes and in the surface energy of clays ... -
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 ... -
DETERMINATION OF SEDIMENT PHOSPHATE SORPTION CHARACTERISTICS IN SHALLOW MOGAN LAKE, TURKEY
(CORVINUS UNIV BUDAPEST, 2018)This study was conducted on sediment and overlying water samples from Mogan Lake, an important recreational area, in April, July and October 2015 and January 2016. The noteworthy data for this study were presented as ... -
Structural, spectroscopic and activity calculations on methanesulfonylhydrazone derivative chromium pentacarbonyl complexes
(Turkish Chemical Society, 2018)The thiophene-2-carboxyaldehyde methanesulfonylhydrazone (msh1), 2-acetylthiophene methanesulfonylhydrazone (msh2) and 2-acetyl-5-methylthiophene methanesulfonylhydrazone (msh3) ligands, a heteroatomic methanesulfonylhydrazone ... -
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 ... -
Optimization of ultrasound-assisted dispersive liquid–liquid microextraction of niacinamide in pharmaceutical and cosmetic samples using experimental design
(Elsevier, 2021)In this paper, an efficient and inexpensive analytical procedure using sugar alcohol-based deep eutectic solvent ultrasound-assisted dispersive liquid–liquid microextraction (DES-UA-DLLME) was optimized for the extraction ... -
Optimization of vortex-assisted ionic liquid dispersive liquid–liquid microextraction by experimental design prior to hydride generation atomic absorption spectrometry for determination of selenium species in food, beverage and water samples
(Elsevier, 2021)We applied novel vortex-assisted ionic liquid dispersive liquid-liquid microextraction (VA-IL-DLLME) method to preconcentration and extraction of Se(IV) ions from water, beverage and food samples. The method was optimized ... -
Ionic hydrophobic deep eutectic solvents in developing air-assisted liquid-phase microextraction based on experimental design: Application to flame atomic absorption spectrometry determination of cobalt in liquid and solid samples
(Elsevier, 2021)This paper reports a new and simple microextraction procedure for cobalt determination using green ionic hydrophobic deep eutectic solvent in developing air-assisted liquid-phase microextraction and flame atomic absorption ... -
The highly protective natural medical agents against COVID-19
(2021)OBJECTIVE: The studies to prevent the Corona virus, which is a huge epidemic nowadays and causes the death of many people, are of great importance. Drugs to be developed to prevent the proliferation and spread of it. The ... -
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 ...
