Başlık için FEF, Kimya Bölümü Koleksiyonu listeleme
Toplam kayıt 447, listelenen: 285-304
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Recent studies of nitrogen containing heterocyclic compounds as novel antiviral agents: A review
(Elsevier, 2021)N-heterocycles are important, not only because of their abundance, but above all because of their chemical, biological and technical significance. They play an important role in biological investigation such as anticancer, ... -
Recycling of an agricultural bio-waste as a novel cellulose aerogel: A green chemistry study
(Springer, 2020)Cellulose aerogel (CA) isolated from tea stem wastes (TSW) is a good fire retardant and heat insulator, environmentally friendly, thermally stable and highly porous material with a network structure. These outstanding ... -
Regioselective syntheses of 2-oxopyridine carbonitrile derivatives and evaluation for antihyperglycemic and antioxidant potential
(Elsevier, 2023)A library of 2-oxopyridine carbonitriles 1-34 was synthesized by regioselective nucleophilic substitution reactions. In the first step, a one-pot multicomponent reaction yield pyridone intermediates. The resulting pyridone ... -
Reversible immobilization of catalase by using a novel bentonite-cysteine (Bent-Cys) microcomposite affinity sorbents
(Elsevier, 2008)This study focused on developing bentonite-cysteine (Bent-Cys) microcomposite affinity sorbents (38-105 ?m) for catalase adsorption from aqueous solutions. Pseudo-biospecific affinity ligand l-cysteine was covalently binded ... -
Seasonal changes of macro-and microelements content in soils of green tea farming from rize (Turkey)
(Institute of Chemistry, Academy of Sciences of Moldova, 2016)During 2014 year, 60 soil samples at the point of 30 soil samples in the spring and 30 soil samples in autumn were taken from the localities of Findikli (41°16'14.40"N - 41°08'24.13"E), Pazar (41°10'50.06"N - 40°53'11.35"E) ... -
Silorane-based composite: Depth of cure, surface hardness, degree of conversion, and cervical microleakage in class II cavities
(Wiley, 2011)Objective: The purpose of this study was to determine the depth of cure, degree of conversion (DC), hardness, and cervical sealing ability of silorane-based composite (Filtek Silorane [FS; 3M, Seefeld, Germany]) and to ... -
A simple and efficient synthesis of benzimidazoles containing piperazine or morpholine skeleton at C-6 position as glucosidase inhibitors with antioxidant activity
(Academic Press Inc Elsevier Science, 2018)A novel 2-(aryl)-6-morpholin-4-yl(or 4-methylpiperazin-1-yl)-1H-benzimidazole derivatives were designed and expeditiously synthesized starting from 5-morpholin-4-yl(or 4-methylpiperazin-1-yl)-2-nitroaniline with various ... -
A simple and efficient synthesis of novel inhibitors of alpha-glucosidase based on benzimidazole skeleton and molecular docking studies
(Academic Press Inc Elsevier Science, 2016)A novel series of benzimidazole derivatives were prepared starting from o-phenylenediamine and 4-nitro-o-phenylenediamine with iminoester hydrochlorides. Acidic proton in benzimidazole was exchanged with ethyl bromoacetate, ... -
Simultaneous separation and preconcentration of Cd(II), Co(II), and Ni(II) ions in environmental samples by carrier element-free coprecipitation method prior to their flame atomic absorption spectrometric determination
(Taylor & Francis Inc, 2015)In the present study, Cd(II), Co(II), and Ni(II) ions were separated and preconcentrated via carrier element-free coprecipitation (CEFC) method by using an organic coprecipitating agent, 1,2-bis-(2-tosyl ethoxy) benzene ... -
Solvent free utilization and selective coupling of epichlorohydrin with carbon dioxide over zirconium metal-organic frameworks
(Elsevier Science Bv, 2017)Ui0 type zirconium metal-organic frameworks (MOFs) have been successfully applied to the synthesis of cyclic carbonates from CO2 and epoxides without using any solvent. All prepared MOFs are good catalysts for the cycloaddition ... -
Solvent-free synthesis of novel phthalocyanines containing triazole derivatives under microwave irradiation
(Pergamon-Elsevier Science Ltd, 2013)An efficient microwave processing method has been developed for the synthesis of novel metal-free phthalocyanine and metallophthalocyanines containing 1,2,4-triazole-3-one derivatives under microwave irradiation in ... -
Solvothermal synthesis and characterization of coordination polymers of cobalt(II) and zinc(II) with succinic acid
(Springer, 2012)The complexes [Co(C 4H 4O 4)] n (1) and [Zn(im)2- (C 4H 4O 4)] n (2) (C 4H 4O 4 = succinate dianion, suc; im = imidazole) have been synthesized solvothermally and characterized by elemental analysis, IR, TG-DTA, and ... -
Some azo compounds containing black tea processing waste catechins as antioxidant and urease enzyme inhibitory
(TUBİTAK Scientific & Technical Research Council Turkey, 2022)Although a lot of azo compounds containing some natural origin catechins had been synthesized and determined their dyeing properties for various textile products, the azo compounds containing black tea processing waste ... -
Some azo dyes containing eugenol and guaiacol, synthesis, antioxidant capacity, urease inhibitory properties and anti-helicobacter pylori activity
(Editura Acad Romane, 2018)There are many studies about azo compounds at literature. However, antioxidant capacity, urease inhibitory and anti-Helicobacter pylori activity properties are not well known. Therefore, some azo dyes containing eugenol ... -
Some characteristics of new and innovative COX inhibitor derivatives: Potent hCA-I and hCA-II inhibitors supported by molecular docking studies
(John & Wiley Ltd., 2022)In this study, two novel metallophthalocyanines (ZnPc and CoPc) were synthesized using the corresponding metal salts 4-(4-(4-[4-chlorophenyl]-5-methylisoxazol-3-yl)phenoxy)-phthalonitrile (11), prepared from the reaction ... -
Some edible forest fruits their in vitro antioxidant activities, phenolic compounds and some enzyme inhibition effects
(Parlar Scientific Publications (P S P), 2019)The purpose of the study was to analyze the potential health-promoting components of some edible forest species of fruits. These are Service tree (Sorbus domestica), Black rosehip (Rosa pimpinellifolia), Red rosehip (Rosa ... -
Some schiff bases containing eugenol and guaiacol: Comparison of urease inhibition and anti-helicobacter pylori activities with Its azo analogs
(Springer, 2024)To improve and develop our monotherapeutic approach for Helicobacter pylori infection, some Schiff base compounds containing eugenol and guaiacol were synthesized and their antioxidant capacities, urease enzyme inhibition, ... -
The spectral, structral and thermal characterizations of dimethyl sulphoxide, pyridine, ethanolamine and N-methyl formamide intercalated kaolinites
(Verlag der Zeitschrift fur Naturforschung, 2010)The intercalation of dimethyl sulphoxide (DMSO), pyridine (Py), ethanolamine (Ea), and Nmethyl formamide (NMF) molecules into the kaolinite interlayers led to an appreciable decrease of 3697 cm-1 of the hydroxyl band. The ... -
A spectroscopic study on new phthalonitrile derivative and its computational background: 4-[(4,5-Diphenyl-4H-1,2,4-triazol-3-yl)sulfanyl]benzene-phthalonitrile
(Elsevier B.V., 2017)Heterocyclic phthalonitrile derivatives are important precursors in synthesis of new photoactive phthalocyanine compounds. In this study, novel phthalonitrile compound bearing triazole moiety was synthesized and characterized ... -
Spectroscopic, electrochemical, theoretical characterization and biological evaluation of a ferrocenyl-substituted unsymmetric azine ligand and its Cu(II) complex
(Taylor & Francis Ltd, 2016)Ferrocenyl-substituted unsymmetrical azine and its Cu(II) complex were prepared. the redox active ferrocene-based azine was obtained by condensation of 1-[(E)-hydrazono]-5-bromo-2-hydroxybenzene with ferrocene carboxaldehyde. ...
