Başlık için FEF, Kimya Bölümü Koleksiyonu listeleme
Toplam kayıt 431, listelenen: 124-143
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A facile and sensitive coprecipitation method coupled with flame atomic absorption spectrometry for quantification of Cu(II) ions in complex matrices
(Serbian Chemical Society, 2023)In the present investigation, the application of an organic coprecipitant, 2-[5,6-dichloro-2-(2-bromobenzyl)-1H-benzimidazole-1-yl]acetohydrazide (DIBBA), for separation and preconcentration of Cu(II) ions in fruit and ... -
A facile ultrasonic synthesis approach to 3-H-quinazolinethione derivatives and their urease inhibition studies
(Taylor & Francis Ltd., 2024)In this study, a new series of 3H-quinazoline-4-thione derivatives were synthesized under ultrasonic irradiation conditions with high yield in a short time. The new compounds were characterized by FT-IR,H-1, and C-13 NMR ... -
Ferrocenyl-substituted dinuclear Cu(II) complex: Synthesis, spectroscopy, electrochemistry, DFT calculations and catecholase activity
(Elsevier Science Bv, 2016)A new ferrocenyl-substituted heterocyclic hydrazide ligand and its Cu(II) complex were prepared. the DFT calculations were performed to determine the electronic and molecular structures of the title compounds. the electronic ... -
Gram (-) microorganisms DNA polymerase inhibition, antibacterial and chemical properties of fruit and leaf extracts of Sorbus acuparia and Sorbus caucasica var. yaltirikii
(Wiley, 2017)Investigation of novel plant-based agents might provide alternative antibiotics and thus fight antibiotic resistance. Here, we measured the ability of fruit and leaf extracts of Sorbus aucuparia (Sauc) and endemic Sorbus ... -
Green protocol: Catalyst-free synthesis of 2-substituted benzimidazoles under ultrasound irradiation
(Science Reviews 2000 Ltd, 2018)The synthesis of 2-substituted benzimidazoles from the reaction of o-phenylenediamine and an imino ester hydrochloride with ultrasound irradiation is reported. The procedure has an eco-friendly and simple workup with good ... -
Green protocol: solvent- and catalyst-free synthesis of benzimidazole derivatives via microwave technique
(Springer, 2013)A simple and green protocol has been developed for the synthesis of benzimidazoles. in this protocol, 2-[(alkyl/aryl)(ethoxy)methylidene]hydrazinecarboxylates with 1,2-phenylenediamine derivatives under solvent- and ... -
Guaiacol substituted AzaPCs: A novel synthesis method and investigation of photophysical properties
(Pleiades Publishing Inc, 2018)AzaPCs containing tetra- and octaguaiacol moieties have not been investigated up to now. in this study, an unusual method is used for the synthesis of metalloAzaPCs (M: Zn, Co, Cu) containing guaiacol moieties. All compounds ... -
Heteroligand bivalent transition metal complexes with an azo-oxime ligand and 1,10-phenanthroline: Synthesis, spectroscopy, thermal analysis, DFT calculations and SOD-mimetic activities
(Elsevier B.V., 2021)Novel mononuclear heteroligand transition metal complexes: [M(HL)(phen)2]ClO4, (M: Mn(II) for 1, Ni(II) for 2), [M(HL)(phen)(ClO4)], (Ni(II) for 3, Cu(II) for 4, Zn(II) for 5) with 2-[(E)-(hydroxyimino)methyl]-4-[(E)-phe ... -
High-throughput screening of inhibitory effect of medicinal plants on bacterial DNA polymerases
(Elsevier Science Bv, 2016)Antibiotic resistance is a serious and increasing problem in medicine. Particularly, pathogens are one of the most important public health issues at the 21st Century. -
Human health risk assessment of heavy metals accumulation in different genders and tissues of whiting fish (Merlangius merlangus euxinus Nordmann, 1840) from Rize, Turkey
(Elsevier, 2024)The contamination of fish resulting from marine pollution is a major concern, as it poses potential adverse effects on human health. Therefore, heavy metal concentrations (Cr, Fe, Ni, Cu, Zn, and Pb) in different genders ... -
Hydrazinyl thiazole linked indenoquinoxaline hybrids: Potential leads to treat hyperglycemia and oxidative stress; Multistep synthesis, alpha-amylase, and antioxidant activities
(Elsevier, 2022)A library of hydrazinyl thiazole-linked indenoquinoxaline hybrids 1-36 were synthesized via a multistep reaction scheme. All synthesized compounds were characterized by various spectroscopic techniques including EI-MS ... -
Hydrothermally synthesized cobalt borophosphate as an electrocatalyst for water oxidation in the pH range from 7 to 14
(Wiley-V C H Verlag Gmbh, 2019)The synthesis of earth-abundant-metal-based, robust, efficient and cost-effective water oxidation electrocatalysts is necessary for renewable energy conversion processes. in this study, a crystalline cobalt borophosphate ... -
Immobilization of polyphenol oxidase enzyme on new matrix antimony doped tin oxide (SnO2:Sb) thin film
(Parlar Scientific Publications (P S P), 2018)Polyphenol oxidase enzymes (PPOs) obtained from Agseftali (Prunus persica L.), which was native peach genotypes under Igdir province ecological condition in Turkey, was purified by affinity chromatography and then, PPOs ... -
Improving the stability of solar cells using metal-organic frameworks
(Royal Soc Chemistry, 2016)Although Cu2S-containing chalcogenide solar cells are appealing and cost-effective for photovoltaics (PVs), these materials suffer from rapid performance degradation as a result of the diffusion of copper ions into the CdS ... -
In silico inhibition potential of artemisinin derivatives against SARS-CoV-2 main protease
(TUBİTAK Scientific & Technical Research Council Turkey, 2021)The outbreak of COVID-19 caused by the SARS-CoV-2 virus has recently affected millions worldwide. The natural compounds obtained from medicinal plants have been proven to be the source of many treatments throughout history. ... -
In vitro antioxidant and acidic properties of novel 4-(5-Methyl- 24hienylmethyleneamino)-4,5-dihydro-1H-l,2,4-triazol-5one derivatives. Synthesis and characterization
(Syscom 18 SRL, 2012)In the present study 3-alkyl(aryl)-4-amino-4,5-dihydro-1H-l,2,4-triazol-5- ones 2a-i reacted with 5-methylthiophene-2-carboxyaldehyde to afford the corresponding compounds 3a-i and the acetylation reactions of compounds ... -
Indenoquinoxaline-phenylacrylohydrazide hybrids as promising drug candidates for the treatment of type 2 diabetes: In vitro and in silico evaluation of enzyme inhibition and antioxidant activity
(Elsevier, 2024)Existing drugs that are being used to treat type-2 diabetes mellitus are associated with several side effects; thus, exploring potential drug candidates is still an utter need these days. Hybrids of indenoquinoxaline and ... -
Influence of different light-curing units on monomer elution from bulk fill composites
(Taylor & Francis Ltd, 2018)Objectives: This in vitro study assessed the effect of different light-curing units on the elution of monomers from bulk fill composites with different thicknesses. Methods: Five bulk fill composites (Filtek Bulk Fill ... -
Inhibition and purification of acetylcholinesterases from adults and nymphs of Ricania simulans (Walker, 1851) (Hemiptera: Ricaniidae)
(Springer, 2022)Ricania simulans (Walker, 1851) (Hemiptera: Ricaniidae) has been causing damage in agricultural areas along the eastern Black Sea coastline since 2006. As there are not enough studies on managing this pest, it continues ... -
Inhibition properties of propolis extracts to some clinically important enzymes
(Taylor & Francis Ltd, 2016)The present study was conducted to envisage inhibition effects of propolis on the crucial enzymes, urease, xanthine oxidase (XO) and acetylcholinesterase (AChE). Some of the antioxidant properties of the propolis samples ...
