Güncel Gönderiler: FEF, Biyoloji Bölümü Koleksiyonu
Toplam kayıt 594, listelenen: 501-520
-
A simple and efficient synthesis of novel inhibitors of alpha-glucosidase based on benzimidazole skeleton and molecular docking studies
(Academic Press Inc Elsevier Science, 2016)A novel series of benzimidazole derivatives were prepared starting from o-phenylenediamine and 4-nitro-o-phenylenediamine with iminoester hydrochlorides. Acidic proton in benzimidazole was exchanged with ethyl bromoacetate, ... -
Antimicrobial susceptibility and molecular characterization of multidrug-resistant acinetobacter baumannii isolated in an university hospital
(Ankara Microbiology Soc, 2016)Acinetobacter baumannii, an aerobic, non-motile, gram-negative bacterium is an important nosocomial pathogen which shows resistance to the most antibiotics. Carbapenems are the most commonly used antibiotics for the treatment ... -
Investigation of the frequency and distribution of beta-lactamase genes in the clinical isolates of acinetobacter baumannii collected from different regions of Turkey: a multicenter study
(Ankara Microbiology Soc, 2016)The diversity and distribution of TEM, SHV and CTX-M type of extended-spectrum beta-lactamases (ESBLs) are important for the treatment and control of infections. Determination of ESBL genes in clinical isolates by polymerase ... -
Foliar resorption of some macro-(N, P, S) and micronutrients (Fe, Zn, Cu, Mn) in Pterocarya fraxinifolia (Poiret) Spach forests in Turkey
(Soc Natl Protection Nature Acclimatation France, 2016)Pterocarya fraxinifolia (Poiret) spach has a rather restricted distribution in Turkey and occurs in swamp forests. Foliar resorption of some macro- (N, P and S) and micronutrients (Fe, Mn, Zn, Cu) in northern and southern ... -
Floristic diversity in bashemsin valley of Kackar Mountains National Park of Rize, Turkey
(Pakistan Botanical Soc, 2016)The floristical structure of Basheinsin and its environs as a protected and isolated area within Kackar Mountains National Park, situated in Rize, a province in the Blacksea region of Turkey, is studied. 1830 plant specimens ... -
A Novel integron gene cassette harboring VIM-38 Metallo-beta-lactamase in a clinical pseudomonas aeruginosa isolate
(Korean Soc Laboratory Medicine, 2016)Dear Editor, Multidrug resistance of Pseudomonas aeruginosa has been attributed to both intrinsic and acquired antibiotic-resistance mechanisms. Multidrug-resistant (MDR) P. aeruginosa isolates have become a serious ... -
Molecular docking studies and synthesis of novel bisbenzimidazole derivatives as inhibitors of alpha-glucosidase
(Pergamon-Elsevier Science Ltd, 2016)A series of bisbenzimidazole derivatives starting from o-phenylenediamine and 4-nitro-o-phenylenediamine were prepared with oxalic acid. Most of the reactions were conducted using both the microwave and conventional methods ... -
Chilo iridescent virus (CIV) ORF 012L encodes a protein with both exonuclease and endonuclease functions
(Springer Wien, 2016)Chilo iridescent virus (CIV) is the type member of the genus Iridovirus within the family Iridoviridae. the virions of CIV contain a single linear dsDNA molecule that is circularly permuted and terminally redundant. the ... -
Contribution to the taxonomy of Turkish Scorzonera (Asteraceae) taxa based on vegetative anatomy
(Wiley, 2016)In the present study, the general stem, root and leaf anatomical features of 59 Scorzonera L. s.l. (Asteraceae) taxa collected from Turkey are presented and evaluated by cluster and principal coordinate analysis. Numerical ... -
Kinetic characterization of GES-22 beta-lactamase harboring the M169L clinical mutation
(Japan Antibiotics Research Assoc, 2016)The class A p-lactamase GES-22 has been identified in Acinetobacter baumannii isolates in Turkey, and subsequently shown to differ from GES-11 by a single substitution (M169L). Because M169 is part of the omega loop, a ... -
Effect of propolis in gastric disorders: inhibition studies on the growth of Helicobacter pylori and production of its urease
(Taylor & Francis Ltd, 2016)There is considerable interest in alternative approaches to inhibit Helicobacter pylori (H. pylori) and thus treat many stomach diseases. Propolis is a pharmaceutical mixture containing many natural bioactive substances. ... -
Synthesis and evaluation of alpha-glucosidase and pancreatic lipase inhibition by quinazolinone-coumarin hybrids
(Springer, 2016)A new series of 2-substituted quinazolin-4(3H)-one derivatives including coumarin nucleus has been synthesized and screened for their lipase and a-glucosidase inhibition properties. Among the synthesized compounds, ... -
Age, adult survival rate, and adult life expectancy of a podarcis tauricus population (reptilia: lacertidae) from Saros bay, Turkey
(Folium Publ Co, 2016)In this study, the age composition of a Podarcis tauricus population from Saros Bay (northwest Turkey) was determined by skeletochronology. 27 preserved adults (20 female female, 5 male male, 2 juveniles) were evaluated ... -
Three seasonal comprehensive evaluation process of Digitalis trojana Ivan's phenolics
(Elsevier Science Bv, 2016)Digitalis trojana Ivan, a member of Digitalis genus, has highly bioactive properties due to, efficient phenolics. These compounds have shown to convert into each other in a limited time. Seasonal fluctuations of this plant ... -
Structure-based hybridization, conventional and microwave irradiated synthesis, biological evaluation and molecular docking studies of new compounds derived from thiomorpholin
(Bentham Science Publ Ltd, 2017)Background: the amine 2 obtained via two steps starting from thiomorpholine was converted into the corresponding 1,3-thiazole (4), arylmethileneamino (5a- d) and hydrazide (7) derivatives using conventional and also microwave ... -
Study of antıoxidant, antimicrobial and anti-xanthine oxidase activities of some 5,6-dimethyl-2-(substituted)-1h-benzimidazoles and their acylhydrazide derivatives
(Raman Publ, 2017)In this study, a series of 5,6-dimethy1-2-(4-fluoro/chloro/bromo/methyl/nitrobenzy1)-1Hbenzimidazoles were screened for their bovine milk xanthine oxidase (XO) inhibition, antioxidant and antimicrobial activities. Compounds ... -
Foliar resorption and nutrient changes in leaves and soils of tilia rubra subspo caucasıca (linden) along an altitudinal gradient during the growing season
(Parlar Scientific Publications (P S P), 2017)This study was conducted (i) to explore variations in the foliar nitrogen (N) and phosphorus (P) resorption and nutrient dynamics of linden along with altitudinal gradient and during one growing season and their relationships ... -
Sexual size and shape dimorphism in the Near Eastern fire salamander, Salamandra infraimmaculata (Caudata: Salamandridae)
(Brill, 2017)Sexual dimorphism, phenotypic difference between males and females of the same species, has been demonstrated in many invertebrates and vertebrates. in many of these studies, which were especially conducted on amphibians, ... -
Synthesis and antimicrobial activity of new piperazine-based heterocyclic compounds
(Walter de Gruyter Gmbh, 2017)The hydrazide 5, that was obtained from -1-(4-fluorophenyl) piperazine (1), was converted to the cor-responding carbothioamides 6a-c by the reaction with alkyl(aryl) isothiocyanates. the synthesis of conazole analogs 10a-f ... -
Synthesis of novel pyrazolines, their boron-fluorine complexes, and investigation of antibacterial, antioxidant, and enzyme inhibition activities
(Wiley-V C H Verlag Gmbh, 2017)3,5-disubstituted-2-pyrazoline derivatives (4-6), their boron-fluorine complexes (boron (3-(2'-aminophenyl), 5-(2'-/3'-/4'-pyridyl) pyrazoline, BOAPPY) (7-9) and boron 1,2'-diazaflavone complex (BODAF) (11) were synthesized ...
