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Toplam kayıt 7211, listelenen: 1-20
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1,2,4-Triazole-conjugated fluoroquinolones as potential candidates for new antibacterial agents
(Bentham Science Publications, 2024)In this study, synthesis of 1,2,4 triazole-fluoroquinolone hybrid compounds was realized. 7a-d hybrid compound was obtained as a result of mannich reaction with 6a-b triazole compounds norfloxacin and ciprofloxacin. 1H-NMR, ... -
(1-Methyl-2-(thiophen-2-yl)-1H-benzo[d]ilmidazole) and its three copper complexes: Synthesis, characterization and fluorescence properties
(Elsevier, 2015)(1-Methyl-2-(thiophen-2-yl)-1H-benzo[d]imidazole) (C12H10N2S) (L) ligand and its three copper complexes [(Cu-2(L)(2)I-2] (1), [(Cu(L)(2)X-2] (X = Cl- (2), and NO3- (3)) were synthesized and characterized by elemental ... -
15-year evaluation of changes in the HBsAg positivity rate in pregnant women in Turkey: the prominent effect of national vaccination
(Who Eastern Mediterranean Regional Office, 2022)Background: The detection of hepatitis B surface antigen positivity in pregnant women before delivery is crucial to preventing mother-to-child transmission of hepatitis B virus.Aims: This study aimed to evaluate the status ... -
18. ve 19. yüzyıllarda Ünye Limanı: Bir iskelenin yükselişi ve gerileyişi
(Ordu Üniversitesi, 2023)Dünyanın en önemli iç denizlerinden biri olan Karadeniz, deniz ve karayolu bağlantıları kanalıyla Asya-Avrupa arasındaki deniz-kara ticaretini birbirine bağlar. Karadeniz’in Orta kesiminde yer alan Ünye ise gerek iç ... -
2'-[Eth-oxy(p-tol-yl)methyl-ene]acetohydrazide
(2007)Mol-ecules of the title compound, C12H16N2O2, are linked by N - H?O hydrogen bonds [N?O = 2.971 (2) Å, H?O = 2.17 (2) Å and N - H?O = 162 (2)°] into cyclic centrosymmetric R 2 2(8) dimers. © International Union of ... -
2'-[Eth-oxy(phen-yl)methyl-ene]acetohydrazide
(2007)The title compound, C11H14N2O2, contains two independent mol-ecules in the asymmetric unit. Each independent mol-ecule exists as part of an N - H?O hydrogen-bonded centrosymmetric dimer. © International Union of Crystallography ... -
2D and 3D numerical simulations of a reinforced landslide: A case study in NE Turkey
(Indian Acad Sciences, 2020)The purpose of this study is to investigate the slope stability problem that occurred in the Ulubey (NE Turkey) during the construction of a hospital building and to propose a reliable support design. the borehole applications, ... -
2D- and 3D-FEM modeling of rock masses at the Şilenkar viaduct site (NE Turkey) with regard to bearing capacity
(Springer, 2021)The aim of this research was to examine the bearing capacity features of the rock masses at the site of Şilenkar viaduct which is a part of the highway substitution project at the Yusufeli Dam construction in NE Turkey. ... -
3-Ethyl-4-(p-chlorobenzylidenamino-4,5-dihydro-1H-1,2,4-triazol-5-one (EPHBAT) as precipitant for carrier element free coprecipitation and speciation of chromium(III) and chromium(VI)
(Elsevier, 2009)A method for the separation and speciative determination of Cr(VI) and Cr(III) has been developed. The procedure is based on coprecipitation of Cr(III) on 3-ethyl-4-(p-chlorobenzylidenamino-4,5-dihydro-1H-1,2,4-triazol-5-one ... -
3D virtual learning environments in education: a meta-review
(Springer, 2017)The aim of this study is to investigate recent empirical research studies about 3D virtual learning environments. A total of 167 empirical studies that involve the use of 3D virtual worlds in education were examined by ... -
4-(2-Methoxy-4-(prop-1-enyl)phenoxy)phthalonitrile; synthesis, characterization, Hirshfeld surface analysis and chemical activity studies
(Taylor & Francis Ltd, 2018)This work deals with experimental and theoretical study of the 4-(2-methoxy-4-(prop-1-enyl)phenoxy)phthalonitrile (MPPP). the MPPP was synthesized and characterized by FT-IR and NMR, and X-ray single-crystal determination. ... -
4-(4-(( 5-Amino-1,3,4-thiadiazol-2-yl)methoxy) phenyl)-1-(( 5-amino-1,3,4-thiadiazol-2-yl)methyl)-3-benzyl-1H-1,2,4-triazol-5( H)-one: Synthesis, characterization and computational studies
(Bentham Science Publ Ltd, 2016)Background: 1,2,4-triazole and its derivatives are known to have various biological activities such as antifungal, antiviral, antidepressant, antitumor, anti-inflammatory, antitubercular, antimigrain and anti-cancer. ... -
4-(4-Allyl-2-meth-oxyphen-oxy)benzene-1,2-dicarbonitrile
(Wiley, 2007)In the title compound, C18H14N2O2, the dihedral angle between the two benzene rings is 88.6 (1)°. The allyl group is disordered over two orientations, with refined occupancies of 0.695 (6) and 0.305 (6). The meth-oxy group ... -
4-Amino-3,5-diethyl-4H-1,2,4-triazole at 100 K: Chains of edge-fused R 44(10) and R44(20) rings
(Wiley, 2007)The title compound, C6H12N4, has four crystallographically independent mol-ecules in the asymmetric unit. Inter-molecular N - H?N hydrogen bonds involving amino groups and triazole N atoms form a three-dimensional framework ... -
4-Amino-3-(p-chlorophenyl)-5-(p-methoxybenzyl)-4H-1,2,4-triazole: X-ray and DFT-calculated structures
(2011)The title compound, 4-amino-3-(p-chlorophenyl)-5-(p-methoxybenzyl)-4H-1,2, 4- triazole I , C16H15ClN4O), has been determined using X-ray diffraction techniques and the molecular structure has also been optimized at the ... -
4-Methyl-N-(4-methylphenylsulfonyl)-N-phenylbenzenesulfonamide
(Int Union Crystallography, 2014)The whole molecule of the title compound, C20H 19NO4S2, is generated by twofold rotational symmetry. The N atom is located on the twofold rotation axis and has a trigonal-planar geometry. It is bonded by two S atoms of two ... -
5,5-Diethylbarbiturate complexes of silver with 2,2′-bipyridine and 3-(2-pyridyl)propanol: Syntheses, crystal structures, spectroscopic, thermal and antimicrobial activity studies
(Verlag der Zeitschrift fur Naturforschung, 2008)Two silver 5,5-diethylbarbiturate (barb) complexes with 2,2?-bipyridine (bpy) and 3-(2-pyridyl) propanol (pypr), [Ag(barb)(bpy)] (1) and [Ag(barb)(pypr)] (2), have been prepared and characterized by elemental analysis, IR ... -
900 MHz electromagnetic field exposure affects qualitative and quantitative features of hippocampal pyramidal cells in the adult female rat
(0-Belirlenecek, 2009)The effects of electromagnetic fields (EMFs) emitted by mobile phones on humans hold special interest due to their use in close proximity to the brain. The current study investigated the number of pyramidal cells in the ... -
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 ... -
Ab initio atomistic thermodynamics modeling of adsorption of oxygen on gold and gold-silver surfaces
(2019)A theoretical study of oxygen adsorption on gold and gold-silver surfaces by means of density functional theory (DFT) calculations with an atomistic thermodynamic model is performed. The (111) and (211) facets of gold and ...
