Güncel Gönderiler: FEF, Kimya Bölümü Koleksiyonu
Toplam kayıt 417, listelenen: 21-40
-
Diastereoselective synthesis, characterization, investigation of anticancer, antibacterial activities, in silico approaches and DNA/BSA binding affinities of novel pyrimidine-sugar derivatives
(Elsevier, 2023)Eighteen novel carbohydrate conjugates (1-9) and their tetra-O-acetyl derivatives (10-18) were synthesized in total and evaluated for their biological properties, including antimicrobial and anticancer functions, and ... -
Staphylococcus aureus bacteriophage 52 endolysin exhibits anti-biofilm and broad antibacterial activity against gram-positive bacteria
(Springer, 2023)Bacteriophage endolysins have been shown to hold great promise as new antibacterial agents for animal and human health in food preservation. In the present study, endolysin from Staphylococcus aureus subsp. aureus ATCC ... -
Microplastics in branded milk: Dietary exposure and risk assessment
(Elsevier, 2023)In this study, 14 packaged milk of various brands sold in the Türkiye market was examined. The microplastics were physically characterised under the microscope. Their vibrational spectra were recorded with the ATF/FT-IR ... -
A new activated carbon-supported Pd-ZnO catalyst for Heck Cross-coupling reactions
(Elsevier, 2023)In this work, to develop catalysts for Heck-type coupling reactions, a hybrid ZnO-Pd nanocatalyst was fabricated on activated carbon sourced from polymer debris. Such techniques as transmission electron microscopy (TEM), ... -
Synthesis of new coumarin-C-3 benzimidazole hybrids and their urease inhibition studies
(Bentham Science Publications, 2023)A novel series of coumarin-benzimidazole hybrids were designed, synthesized, and extensively characterized using spectral data, including FT-IR, H-1-NMR, and C-13-NMR. Weatherburn's method was used to test new compounds' ... -
Metabolite profiling of Althaea officinalis by HPLC-DAD-MS with in silico and in vitro analysis for therapeutic potential
(Springer, 2023)Althaea officinalis L. has been widely used traditionally as an herbal tea and for the treatment of cough, mucous membrane irritation, colds, and inflammation. Parts of the plant extracts were analyzed using HPLC-DAD and ... -
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 ... -
Phylogenetic analysis based on the ITS, matK and rbcL DNA barcodes and comparison of chemical contents of twelve Paeonia taxa in Turkiye
(Springer, 2023)BackgroudTwelve taxa of herbaceous Paeonia species were recorded in Turkiye. All definitions were performed morphologically and/or anatomically and there is no study based on DNA barcode sequences. Three barcode regions ... -
New pyrimidine-N-β-D-glucosides: synthesis, biological evaluation, and molecular docking investigations
(Scientific Technical Research Council Turkey, TÜBİTAK, 2023)In this study, syntheses of new pyrimidine-coupled N-beta-glucosides and tetra-O-acetyl derivatives were carried out. All glycoconjugates were investigated in comparison with known chemotherapeutic agents in terms of their ... -
Chalcone-based dipolar cycloaddition of novel heteroaromatic compounds: Their anticancer examination
(Elsevier, 2023)In this study, new chalcone-isoxazole-based hybrid derivatives (12, 13, 18, and 21) and chalcone-triazole hybrid molecules (26) were synthesized using the click chemistry approach. Among these hybrid molecules, 12, 13, 21, ... -
Development of a new and facile carrier element-free coprecipitation procedure for separation, preconcentration and sensitive determination of Cu(II) and Cd(II) Ions in water and vegetable samples
(Taylor & Francis Ltd., 2023)A facile and sensitive method predicated on carrier element free coprecipitation (CEFC) using 2-(2-(2-(4-bromobenzyl)-1H-benzo[d]imidazole-1-yl)acetyl)-N-ethylhydrazine-1-carbothioamide (BIMANEC) is reported for trace ... -
Chemical analysis and biological activity of the essential oils and extracts of two liverwort species growing in Turkey
(University Belgrade, 2023)The aim of this study was to investigate the chemical composition of the essential oils (EOs) from two Diplophyllum species and to evaluate their bioactivity potential [antimicrobial, antioxidant, anti-urease, anti-xanthine ... -
Enhancing oxygen evolution catalytic performance of nickel borate with cobalt doping and carbon nanotubes
(Wiley, 2023)Metal borates have recently been recognized as alternative earth-abundant water oxidation catalysts. Herein, we employed solid-state synthesis to prepare a series of Ni-Co borates, NiaCo(3-a)(BO3)(2), with a Kotoite structure ... -
Urease inhibition studies of new benzimidazoles containing triazole ring
(Maik Nauka/Interperiodica/Springer, 2023)A new series of benzimidazoles including triazole and thiosemicarbazide moieties was synthesized and their urease inhibition studies were evaluated according to the method of Van Slyke and Archibald. Especially triazole ... -
a-Glucosidase inhibition properties of novel azaphthalocyanines containing vanillin
(Natl Inst Science Communication & Policy Research, 2023)Vanillin substituted novel zinc(II) azaphthalocyanines (ZnAzaPcs) have been synthesized and investigated for their & alpha;-glucosidase inhibition properties. The new compounds (1, 2, 1a and 2a) have been characterised ... -
A new water-soluble zinc azaphthalocyanine containing azo groups: synthesis, characterization, fastness and antibacterial properties on cotton fabric
(E.U. Printing and Publishing House, 2023)A novel water-soluble zinc azaphthalocyanine containing azo groups (Azo-ZnAzaPc) was synthesized and characterized using FT-IR, H-1 NMR, C-13 NMR, UV-vis, MS and elemental analysis. A dyeing experiment was performed on ... -
Treatment of wastewater containing organic pollutants in the presence of N-doped graphitic carbon and Co3O4/peroxymonosulfate
(Springer, 2023)The disposal of organic pollutants is one of the important research topics. Some of the studies in this field are based on the degradation of organic pollutants with a catalytic agent. The cobalt tetraoxide/peroxymonosulfate ... -
Microplastic contamination and risk assessment in table salts: Turkey
(Elsevier, 2023)In this study, the characterization of microplastics of table salts (n = 36) was determined by FT -IR. Then, individuals' exposure to microplastics from table salt consumption was calculated with a deterministic model, and ... -
Synthesis and characterization of new bistriazole quinazolinediones and their urease inhibition activities
(Bentham Science Publications, 2023)A new series of bisthiosemicarbazide and bistriazole molecules bridged quinazolinedione was synthesized and characterized by FT-IR, H-1 and C-13-NMR spectral data. Antiurease activities of all new compounds were tested ... -
Enhancing label-free biosensing with cryogenic temperature-induced plasmonic structures
(Springer, 2023)Plasmonic nanoparticles exhibit distinct nearfield properties that offer potential advantages for label-free biosensing applications. By generating strong interactions between light and matter, these nanoparticles can be ...
