Güncel Gönderiler: Fen Edebiyat Fakültesi
Toplam kayıt 2853, listelenen: 641-660
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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 ... -
Pata zamfirescu type fixed-disc results with a proximal application
(Malaysian Mathematical Sciences Soc, 2020)This paper concerns with the geometric study of fixed points of a self-mapping on a metric space. We establish new generalized contractive conditions which ensure that a self-mapping has a fixed disc or a fixed circle. We ... -
Geographical information systems based ecological risk analysis of metal accumulation in sediments of Ikizcetepeler Dam Lake (Turkey)
(Elsevier, 2020)This study analyzed the spatial distribution, potential ecological risks and possible sources of metal concentrations, organic carbon, chlorophyll degradation products and CaCO3 content from surface sediment samples in ... -
Activated carbon synthesis from tangerine peel and its use in hydrogen storage
(Elsevier Sci Ltd, 2020)Activated carbon samples were synthesized by chemical and physical activations of tangerine peel. The activated carbons were characterized via using Fourier Transform Infrared-Attenuated Total Reflectance spectroscopy ... -
The effects on antioxidant enzymes of PMMA/hydroxyapatite nanocomposites/composites
(Elsevier Sci Inc, 2020)In this study, polymer-ceramic nanocomposites and/or composites were prepared by solution removal method using poly(methylmethacrylat) (PMMA) and nano-hydroxyapatite (nHA). They were characterized using X-ray diffraction ... -
Prodrugs for nitroreductase based cancer therapy-4: Towards prostate cancer targeting: Synthesis of N-heterocyclic nitro prodrugs, Ssap-NtrB enzymatic activation and anticancer evaluation
(Academic Press Inc Elsevier Science, 2020)In this study, various N-heterocyclic nitro prodrugs (NHN1-16) containing pyrimidine, triazine and piperazine rings were designed and synthesized. The final compounds were identified using FT-IR, H-1 NMR, C-13 NMR as well ... -
Hidden heroes of wars in legends with teleportation motif
(Geleneksel Yayincilik, 2020)Legends are stories about real or imaginary persons, events and places. In these stories, there are usually extraordinary events, but they are convincing. Thanks to this characteristic of legends, some moral principles and ... -
Almost η-ricci and almost η-yamabe solitons with torse-forming potential vector field
(Natl Inquiry Services Centre Pty Ltd, 2020)We provide properties of almost eta-Ricci and almost eta-Yamabe solitons on submanifolds isometrically immersed into a Riemannian manifold ((M) over tilde, (g) over tilde) whose potential vector field is the tangential ... -
Thermal and kinetic properties of poly(vinylacetate)/modified MWCNT nanocomposites
(Taylor and Francis Inc, 2020)The aims of this study were to improve the low thermal stability of poly(vinylacetate) (PVAc) polymer by forming its nanocomposite products according to solvent casting method with multi-walled carbon nanotube (MWCNT) ... -
Carbonic anhydrase III is a new target of HIF1 alpha in prostate cancer model
(Elsevier, 2020)Carbonic Anhydrase III (CAIII) belongs to a member of the alpha Carbonic Anhydrase (CA) family. Although some CA members are strongly up-regulated by HIF1-alpha, it is not known about the transcriptional regulation of CAIII ... -
An aminopyridine bearing pillar[5]arene-based QCM sensor for chemical sensing applications: design, experimental characterization, data modeling, and prediction
(IEEE-Inst Electrical Electronics Engineers Inc, 2020)This study presented that deca pyridin-2-amine bearing Pillar[5]arene (P5-PA) was designed in an appropriate cavity, which acts a part significant role in host-guest interactions of the macrocyclic molecules. P5-PA monolayer ...
