Güncel Gönderiler: Fen Edebiyat Fakültesi
Toplam kayıt 1639, listelenen: 41-60
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Resonant tunneling properties in the sawtooth triple barrier structures
(Gazi Universitesi, 2025)The resonance tunneling properties of sawtooth triple barrier double-well structures were investigated using the non-equilibrium Green's functions method. The dependence of resonance energies on barrier height and width ... -
Bilayer graphene like-structure in the presence of a time-dependent magnetic field
(Elsevier, 2025)In this work we consider the dynamic magnetic characteristics induced by a time-dependent magnetic field in the case of a bilayer graphene-like structure. We pay special attention to the influence of the crystal field ... -
A new species of Polygonum sect. Polygonum (Polygonaceae) from the southwest of Türkiye
(TUBITAK, 2024)Polygonum uysalii (Polygonaceae), a new species from the transition zone between the Mediterranean and Irano-Turanian floristic regions of Türkiye, is described based on morphological and molecular evidence. The new species ... -
Moment-based approximation for variance of semi-Markovian random walk with gamma distributed interference of chance
(TUBITAK, 2024)This study proposed moment-based approximations for the expected value and variance of the ergodic distribution of the semi-Markovian random walk process (X(t)) with gamma distributed interference of chance. Many studies ... -
Age structure, body size, and sexual dimorphism in a high-altitude population of pelophylax ridibundus (Pallas, 1771)
(MDPI, 2024)This study aimed to describe the morphological characteristics and age structure of a P. ridibundus population sampled from a high altitude. For this purpose, a total of 54 adult frogs (33 males and 21 females) were collected ... -
Prestij, kimlik ve siyasî rekabet bağlamında Büveyhî lakap ve ünvanları
(2024)Büveyhîler, 934-1056 (h. 322-448) tarihleri arasında İran ve Irak coğrafyasında hüküm sürmüş Deylemli bir hanedandır. Kurucu kardeşlerden Ahmet b. Büveyh, 945 yılında Abbâsî Halîfesi Müstekfî-Billâh’ın emîrülümerâsı ... -
Isolation and characterization of water soluble fraction of propolis and its antibacterial potential on bacteria causing conjunctivitis
(Bursa Uludag University, 2024)Propolis is a bee product with a variety of biological activities. Although chemical composition of propolis differs by the location but all propolis types possesses antimicrobial activity. The usage of propolis for ... -
Metal catalyst-free β-amination of branched rac-C8N-type such as C7N carbasugars via intramolecular aza-michael addition: Biological evolution, DFT studies and ADME properties
(Elsevier, 2025)In this study, a new stereospecific strategy for the preparation of C8N aminocyclohexenols such as C7N, validamine analogs were developed from starting compound 4 via intramolecular aza-michael β-amination reaction between ... -
Synthesis of arylated tetrahydrobenzo[H]quinoline-3-carbonitrile derivatives as potential hits for treatment of diabetes
(Taylor & Francis Ltd., 2024)Aim: Quinoline scaffolds are serving as the core structure for numerous antifungal, analgesic, antipyretic, anti-inflammatory drugs as well as have also been investigated for their potential antidiabetic properties. Though ... -
Unveiling the electrocatalytic hydrogen evolution reaction pathway on RuP2 through Ab initio grand canonical Monte Carlo
(Amer Chemical Soc., 2024)In this study, the high catalytic reactivity of ruthenium phosphide (RuP2) has been identified by first-principles density functional theory (DFT) calculations for the electrocatalytic hydrogen evolution reaction (HER). ... -
Superconducting properties and electronic structure of CuAl2-type transition-metal zirconide Fe1-xNixZr2
(Elsevier, 2024)CuAl2-type transition-metal (Tr) zirconides are a superconductor family, and the Tr-site element substitution largely modifies its transition temperature (Tc). Here, we synthesized polycrystalline samples of Fe1-xNixZr2 ... -
Görüntü i̇şleme ve derin öğrenme teknikleriyle çay bitkisinde fitofag akar kaynaklı hasarın tespit edilmesi
(IEEE, 2024)The objective of this study is to ascertain the structural variations resulting from the detrimental impact of invertebrates on tea plant leaves. To this end, image processing and deep learning techniques were employed to ... -
ATM kinase phosphorylates Ser15 of p53 in a pH-dependent manner
(Trakya University, 2024)The phosphorylation of Ser15 in the transactivation domain (TAD) of the tumor suppressor protein 53 (p53) by ataxia-telangiectasia mutated (ATM) kinase is a crucial step in the tumor suppressor function of p53. An understanding ... -
Urease inhibition activity studies of novel azabenzimidazole-derived compounds
(Springer, 2024)AbstractA new series of azabenzimidazole compounds was synthesized and characterized with spectral methods such as IR, 1H NMR, 13C NMR and elemental analysis. The target compounds were screened for urease, and acetylcholinesterase ... -
Theoretical examination of the usability of some benzimidazole derivatives as active pharmaceutical ingredient in the treatment of multiple sclerosis
(Springer, 2024)AbstractIn this study, the usability of twelve different benzimidazole derivatives as active pharmaceutical ingredients in the treatment of multiple sclerosis was investigated. For each molecule, a docking study was carried ... -
Engineered reduction of S-adenosylmethionine alters lignin in sorghum
(BMC, 2024)Background Lignin is an aromatic polymer deposited in secondary cell walls of higher plants to provide strength, rigidity, and hydrophobicity to vascular tissues. Due to its interconnections with cell wall polysaccharides, ... -
Determination of the chemical composition, DNA cleavage, binding and antioxidant activities of Vincetoxicum scandens
(Institute of Botany and Botanical Garden "Jevremovac", University of Belgrade, 2024)Vincetoxicum members offer important qualities in both conventional and modern medicine. In the present study, V. scandens from the northeast of Turkey (Trabzon city) was investigated for its phenolic compounds, antioxidant ... -
Metal-organic frameworks (MOFs) as an anti-reflective coating for crystalline silicon solar cells
(Springer, 2024)Enhancing the performance of the solar cells is a very challenging task and to prevent surface reflections of solar rays is one of the ways. Metal-organic frameworks (MOFs) are novel inorganic-organic crystalline porous ... -
Coverings, actions and quotients in cat1-groupoids
(Drustvo Matematicara Srbije, 2024)The aim of this paper is to present the notions of actions and coverings of cat1-groupoids and to prove the natural equivalence between their categories. Moreover, in this context, we characterize the quotient concept of ... -
Mechanisms of hardness enhancement in CrB2 thin films with varying VB2 concentrations
(Elsevier, 2024)Transition metal borides are well-known for their high hardness, excellent wear resistance, chemical inertness, and electrical conductivity, making them promising for a wide range of applications. Understanding the ...
