Güncel Gönderiler: Fen Edebiyat Fakültesi
Toplam kayıt 2923, listelenen: 701-720
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Synthesis, in vitro inhibition effect of novel phthalocyanine complexes as carbonic anhydrase and paraoxonase enzyme inhibitors
(World Sci Publ Co Inc, 2020)The preparation and assessment of carbonic anhydrase and paraoxonase enzyme inhibition properties of 3-(2-(5-amino-4-(4-bromophenyl)-3-methyl-1H-pyrazol-1-yl)ethoxy)phthalonitrile (2) and its nitrogen-containing non-peripheral ... -
Life style and standard of a Dynasty's Son-in-Law: Ahmed Fethi Pasha's estate
(Türk Tarih Kurumu, 2020)Ahmed Fethi Pasha (1801-1858) who comes from a rich, Rhodian family received a very good education compared to his contemporaries. With his quick progress in the State's positions, the pasha aroused Sultan Mahmud II's ... -
Monitoring of reduction reaction of 2-((phenylimino)methyl)phenol compound with sodium borohydride in solution by infrared spectroscopy
(Taylor and Francis Ltd, 2020)In this study, an imine compound 2-((phenylimino)methyl)phenol was synthesized by the reaction of salicylaldehyde and aniline for in situ monitoring of reduction with sodium borohydride. The reduction of C = N double bond ... -
Synthesis of new series of thiazol-(2(3H)-ylideneamino)benzenesulfonamide derivatives as carbonic anhydrase inhibitors
(Wiley, 2020)Human carbonic anhydrase I and II isoenzymes (hCA I and II) are important metabolic enzymes. In this study, a new series of thiazol-(2(3H)-ylideneamino)benzenesulfonamide derivatives were synthesized and also some inhibition ... -
Influence of terminal carboxyl groups on the structure and reactivity of functionalized m-carboranethiolate self-assembled monolayers
(Amer Chemical Soc, 2020)The structure and function of self-assembled monolayers (SAMs) at the nanoscale are determined by the steric and electronic effects of their building blocks. Carboranethiol molecules form pristine monolayers that provide ... -
Equilibrium formation of stable all-silicon versions of 1,3-cyclobutanediyl
(Wiley V C H Verlag GMBH, 2020)Main group analogues of cyclobutane-1,3-diyls are fascinating due to their unique reactivity and electronic properties. So far only heteronuclear examples have been isolated. Here we report the isolation and characterization ... -
Some algebraic structures on the generalization general products of monoids and semigroups
(Springer Heidelberg, 2020)For arbitrary monoidsAandB, in Cevik et al. (Hacet J Math Stat 2019:1-11, 2019), it has been recently defined an extended version of the general product under the name ofa higher version of Zappa products for monoids(orgeneralized ... -
Water soluble coumarin quaternary ammonium chlorides: synthesis and biological evaluation
(Wiley V C H Verlag GMBH, 2020)In the present study, coumarin-bearing three pyridinium and three tetra-alkyl ammonium salts were synthesized. The compounds were fully characterized by(1)H- and(13)C-NMR, LC/MS and IR spectroscopic methods and elemental ... -
Effect of L-ascorbic acid on electrochemically deposited FeCoCu/Cu magnetic multilayer granular films: structural, magnetic and magnetoresistance properties
(Elsevier Sci Sa, 2020)The FeCoCu/Cu multilayer granular films were prepared by the electrochemical deposition technique, and the effect of the L-ascorbic acid molarity on their structural, magnetic, and magnetoresistance properties was investigated. ... -
A macrocyclic tetra-undecyl calix[4]resorcinarene thin film receptor for chemical vapour sensor applications
(Springer, 2020)This work demonstrates the fabrication of chemical vapour sensors using Langmuir-Blodgett (LB) thin films, describing the thin film properties of a tetra-undecyl calix[4]resorcinarene molecule along with a discussion of ... -
Q192R polymorphism in the PON1 gene and nasal polyp in a Turkish population
(Wiley, 2020)The pathogenesis of nasal polyps is not completely understood. Oxidative damage contributes to polyp formation in the nasal mucosa. The paraoxonase 1 (PON1) enzyme is an important liver enzyme with high antioxidant activity. ... -
Carboxyl- and amine-functionalized carboranethiol SAMs on Au(111): A dispersion-corrected density functional theory study
(Amer Physical Soc, 2020)The morphological and electronic properties of isolated and monolayer phases of carboxyl- and amine-functionalized carboranethiols on unreconstructed Au(111) were determined using density functional theory calculations ... -
Geometric properties of discontinuous fixed point set of (epsilon-delta contractions and applications to neural networks)
(Springer Basel AG, 2020)In this paper, we prove some fixed point theorems under a convex combination of generalized ( − δ) type rational contractions in which the fixed point may or may not be a point of discontinuity. As a by-product we explore ... -
Characterization and thermal kinetic analysis of PMMA/modified-MWCNT nanocomposites
(Elsevier Sci Sa, 2020)This study represents the processing, characterization and thermal properties of poly(methylmethacrylate)/multi-walled carbon nanotube (PMMA/MWCNT) and PMMA/MWCNT-OH nanocomposites prepared using the solution casting method. ... -
Eu@PMMA and Sm@PMMA nanofibers prepared by electrospinning: structure, morphology, luminescence and magnetic properties
(Royal Soc Chemistry, 2020)In this work, the Eu(III) and Sm(III) coordination polymers {[Eu(2-stp)(2)(HO)(6)]center dot 2(4,4'-bipy)center dot 4(H2O)), denoted as (1), and {[Sm(2-stp)(2)(H2O)(2)]center dot 2(4,4'-bipy)center dot 5(H2O))(n), denoted ... -
TNF-alpha induces URG-4/URGCP gene expression in hepatoma cells through starvation dependent manner
(Springer/Plenum Publishers, 2020)URG-4/URGCP is a gene that may be associated with the onset of tumorigenesis and cell cycle regulation. In the literature, there is no study about inflammatory cytokine-mediated URG-4/URGCP regulation. In this study, the ... -
Fabrication of picoline amide-based calix[4]arene Langmuir-Blodgett thin film for volatile organic vapor sensing application
(Taylor and Francis Ltd, 2020)Picoline amide-based calix[4]arene molecule was the first time deposited onto gold substrate as an active layer by using Langmuir-Blodgett (LB) coating technique. UV-visible, atomic force microscopy, and surface plasmon ... -
Synthesis and biological evaluation of 2,4,6-trinitroaniline derivatives as potent antitumor agents
(Springer Wien, 2020)Nitro group-containing compounds are well known as effective anticancer drugs. The aim of the study is to synthesize a series of trinitroaniline derivatives to determine their potential antitumor activities on diverse ... -
Macrocycle ring and peripheral group sizes-dependent vapor sensing property of copper phthalocyanine thin films
(World Scientific Publ Co Pte Ltd, 2020)Spin-coated thin films of copper phthalocyanine (CuPc) were fabricated using different rotation speeds from 250 rpm to 1250 rpm. The structural characterization of these films was analyzed using UV-vis spectroscopy and ... -
A room temperature acetone sensor based on synthesized tetranitro-oxacalix[4]arenes: Thin film fabrication and sensing properties
(Elsevier Sci Sa, 2020)Tetranitro-oxacalix[4]arenes were prepared to determine their thin film fabrication and gas sensing applications. Firstly, tetranitro-oxacalix[4]arenes (1-3) were synthesized via nucleophilic aromatic sub-stitution reaction ...