Erişim şekli için "info:eu-repo/semantics/openAccess" FEF, Kimya Bölümü Koleksiyonu listeleme
Toplam kayıt 84, listelenen: 21-40
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Distribution of coronary artery risk factors: a regional analysis
(2011)Amaç: Bu çalışmadaki amacımız, Rize ili ve civarında koroner arter risk faktörlerinin sıklık ve dağılımını incelemektir. Yöntem ve gereç: Bu gözlemsel çalışmaya, 452 hasta (333 erkek, 119 kadın) alındı. Hastaların demografi ... -
Effect of ethyl acetate extract of usnea longissima on esophagogastric adenocarcinoma in rats
(Acta Cirurgica Brasileira, 2019)Purpose: To investigate the effects of the EtOAc extract of U. longissima which is uninvestigated previously on esophagogastric cancer induced in rats with N-methyl-N-nitro-N-nitrosoguanidin (MNNG). Methods: the anticancer ... -
Effect of Usnea longissima ethyl acetate extract on acute oxidative and inflammatory lung damage from Staphylococcus aureus infection in rats
(University of South Bohemia in Ceske Budejovice Faculty of Health and Social Sciences, 2023)The role of oxidants and proinflammatory cytokines in the pathogenesis of pneumonia caused by Staphylococcus aureus (S. aureus) has been demonstrated. The present study aims to investigate the protective effect of ethyl ... -
The effect of usnea longissima extract on lung cancer cell line (A549)
(2021)Objective: Some lichens are known to demonstrate anticancer activity. However, to the best of our knowledge, no information is available about the activity of Usnea longissima against human lung cancer A549 cells. This ... -
An efficient synthesis of some new bisbenzimidazoles via microwave technique
(2014)2,2’-[1,4 (1,3)-Phenylenedi(methylene)]bis-1 H -benzimidazole derivatives were obtained from the reaction of 1,4- or (1,3)-bisiminoester hydrochloride and o -phenylenediamine derivatives under microwave irradiation. Ester ... -
Efficient, rapid, and high-yield synthesis of aryl Schiff base derivatives and their in vitro and in silico inhibition studies of hCA I, hCA II, AChE, and BuChE
(Wiley, 2024)This study reports a rapid and efficient synthesis of four novel aryl Schiff base derivatives. Biological activity and molecular modeling studies were conducted to evaluate the inhibitory effects of these compounds on human ... -
Electrochemical preparation of poly(vinylferrocenium)-perchlorate- polyaniline composite-modified platinium electrode in methylene chloride
(2011)A new surface based on poly(vinylferrocenium)perchlorate-polyaniline (PVF +ClO 4 --PANI) composite-modified platinum electrode was prepared electrochemically to combine the electrocatalytic properties of an intrinsically ... -
Electrode prepared with combination of different conductive polymers for hydroquinone determination in river water
(Slovensko Kemijsko Drustvo, 2016)Modified electrode based on combination of different conductive polymers (polyaniline -poly(3-methylthiophene) poly( 3,3'-diaminobenzidine) (PANI - P3MT - PDAB)) was previously synthesized in dichloromethane containing ... -
Emerging glyco-based strategies to steer immune responses
(Wiley, 2021)Glycan structures are common posttranslational modifications of proteins, which serve multiple important structural roles (for instance in protein folding), but also are crucial participants in cell-cell communications and ... -
Essential oil analysis and antimicrobial activity of neckera complanata (Hedw.) huebener and neckera crispa Hedw. (Neckeraceae) grown in Turkey
(Chemical Publishing Co., 2014)In this work, the essential oils obtained by hydrodistillation from Neckera complanata (Hedw.) Huebener and Neckera crispa Hedw (Neckeraceae) were analyzed by GC-FID and GC-MS. Twenty-one compounds in the oil of N. complanata, ... -
Evaluation of antioxidant activity of bee products of different bee races in Turkey
(2019)Bee products with high bioactive properties have a very important place in human nutrition. Biochemical properties of these products such as honey, pollen, and propolis vary according to flora, season, bee race, and ... -
Evaluation of color stability of experimental dental composite resins prepared from Bis-EFMA, a novel monomer system
(Technical Assoc Photopolymers JAPAN, 2021)Color stabilities of experimental composite resins based on Bis-EFMA (a novel bisphenol A [BPA]-free monomer system) with 3M ESPE FiltekTM Z250 (FZ) and experimental composite resins based on bisphenol A-glycidyl methacrylate ... -
Experimental and theoretical studies of 4-[(4-methyl-5-phenyl-4h1,2,4-tiıazol-3-yl)sulfanyl]benzene-1,2-dicarbonitrile
(Soc Chemists Technologists Madeconia, 2016)In this study, 4-[(4-methy1-5-pheny1-4H-1,2,4-triazol-3-yl)sulfanyl]benzene-1,2-dicarbonitrile was synthesized and its molecular structure was characterized by means of FT-IR. and X-ray diffraction methods. the crystal is ... -
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 ... -
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 ... -
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. ... -
An investigation of fastness and antibacterial properties of cotton fabric coloured with water-soluble zinc phthalocyanine containing azo groups
(2016)Araştırmanın temel amacı, azo grupları içeren suda çözünebilen çinko ftalosiyanin (Azo-ZnPc) ile boyanmış pamuklu kumaşın boyanma özelliklerini, renk haslık değerlerini (ışık, su, ter, klorlanmış su, sürtme, yıkama) ve ... -
InVitro antioxidant activities of new 4,5-dihydro-1H-1,2,4-triazol-5-ones having thiophene ring with their acidic properties
(Hindawi, 2011)Seven new 3-alkyl(aryl)-4-(2-thienymethylenamino)-4,5-dihydro- 1H-1,2,4-triazol-5-ones (2) were synthesized by the reactions of 3-alkyl(aryl)- 4-amino-4,5-dihydro-1H-1,2,4-triazol-5-ones (1) with thiophene-2-carbaldehyde. ... -
Iron(III) complexes derived from azo-containing salicylaldoxime ligands: Synthesis, structures and biological evaluations
(TUBİTAK Scientific & Technical Research Council Turkey, 2021)Two novel mononuclear Fe(III) complexes derived from azo-containing salicylaldoxime ligands were synthesized and characterized by elemental analyses, spectroscopic data i.e. IR, 1H NMR, UV-Vis, electrospray ionization mass ... -
Isolation, production, and characterization of an extracellular lipase from Trichoderma harzianum isolated from soil
(2011)Bu çalışma, Trichoderma harzianum lipazının karakterizasyonu hakkında ilk rapordur. Yeni bir suş olan Trichoderma harzianum IDM14D topraktan izole edildi. İzole edilen bu suş, lipaz üretimi için çalkalamalı kültürde 30 ...