Browsing Kimya Bölümü Makale Koleksiyonu by Issue Date
Now showing items 1-20 of 88
-
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: ... -
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 ... -
Could Peganum harmala be effective in the treatment of COVID-19?
(2021)BACKGROUND: Predominant molecules in Peganum harmala leaves were detected using gas chromatography-mass spectrometry (GC-MS). Based on the results of this analysis, most alkaloids, fl avonoids and triterpenoids in found ... -
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 ... -
Investigations of structural, spectral (IR, 1H‑, 9F‑, 11B‑, 13C‑, 15 N‑, 17O‑NMR) and anticancer properties of 5FU@B12N12 complexes
(2021)B12N12 nanocage was selected as a drug carrier for 5-fluorouracil (5FU). Both compounds were optimized B3LYP/6– 31 + G(d) level in the water. Electrophilic/nucleophilic attack regions and the appropriate interaction sites ... -
Computational structure characterization, nonlinear optical properties and antitumor activities of Nickel(II) complexes containing alkoxy-derived dicyandiamide ligands
(NISCAIR, 2021)[Ni(dcda-O-Me)2] 2+ (1), [Ni(dcda-O-Et)2] 2+ (2), [Ni(dcda-O-nPr)2] 2+ (3), and [Ni(dcda-O-nBu)2] 2+ (4) complexes (dcda-O-R is dicyandiamide ligands with alkoxy-derived) have been optimized in the gas phase at ... -
Investigations substituent effect on structural, spectral and optical properties of phenylboronic acids
(2021)Ortho- and para-substituent arylboronic acid are investigated. Geometric structure and structural proper- ties of these compounds are done. IR and NMR spectrum are calculated for the spectral characterizations. Contour ... -
Experimental and Computational Investigation for (E)-2-hydroxy-5-(2- benzylidene) Aminobenzoic Acid Schiff Base as a Corrosion Inhibitor for Copper in Acidic Media
(2021)The corrosion behavior of copper in 1 M HCl in the absence and presence of Hha ((E)-2-hydroxy-5-(2-benzylidene) aminobenzoic acid) has been investigated experimentally and computationally. In this way, the electrochemical ...
