Başlık için FEF, Biyoloji Bölümü Koleksiyonu listeleme
Toplam kayıt 531, listelenen: 447-466
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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 ... -
Structure-based hybridization, microwave prompted synthesis and biological evaluation of novel 4-(2-fluoro-4-nitrophenyl)morpholine derivatives
(Bentham Science Publ Ltd, 2018)1,3,4-oxadiazole-2-thiole 6 was obtained from 4-(2-fluoro-4-nitrophenyl)morpholine (2) by the reduction of its nitro group and the sequential treatment of the resulting amine with ethyl bro-moacetate, hydrazine hydrate, ... -
Studies on synthesis, structure, and DNA cleaving of homo-dinuclear Mn(II), Cu(II), Ni(II), and Zn(II) complexes with a heterocycle-based macroacyclic Schiff base
(Springer Wien, 2013)(E,E',E'',E''')-N,N',N'',N'''-[(1,2-ethenyliden)tetrakis[methylenoxy(2,1-naphthalinediyl)methylidyne]tetrakis[1,2,4-triazol-4-amine] and its novel homo-dinuclear Mn(II), Ni(II), Cu(II), and Zn(II) complexes have been ... -
Studies on the achene morphology of Turkish species of Scorzonera L. (Asteraceae) using light and scanning electron microscopy
(Magnolia Press, 2016)Macro- and micromorphological features of achenes belonging to 59 taxa from Turkey were observed via light and scanning electron microscopy. the findings agree with the traditional subdivision of Scorzonera into S. subg. ... -
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 ... -
Sulfonamide inhibition studies of the beta-carbonic anhydrase from the newly discovered bacterium Enterobacter sp B13
(Pergamon-Elsevier Science Ltd, 2016)The genome of the newly identified bacterium Enterobacter sp. B13 encodes for a beta-class carbonic anhydrases (CAs, EC 4.2.1.1), EspCA. This enzyme was recently cloned, and characterized kinetically by this group (J. ... -
Sulfur and potentially toxic elements in soils and various organs of oak trees (Quercus brantii Lindl.) in Zagros forests: the effect of a gas refinery
(Springer, 2022)This study aimed to measure S, As, Cr, Cu, Mn, Ni, Zn, and Pb element contents and contamination indices in various organs of Brant oaks (Quercus brantii Lindl.) and ambient soils at different spatial from the Ilam gas ... -
Sulphur and some heavy metal contents in foliage of Corylus avellana and some roadside native plants in Ordu province, Turkey
(Ekoloji, 2009)The concentration of sulphur and some heavy metals the leaves of Corylus avellana, Alopecurus myosuroides, Helleborus orientalis, Glechoma hederacea, Calamintha nepeta and Urtica dioica were determined around the "polluted ... -
Surveillance and control of invasive aedes species in the Eastern Black Sea Area of Turkey
(2018)Objective: Invasive mosquito species are a huge problem world-wide and can cause serious mosquito borne disease epidemics. Recent surveys in Europe revealed that many autocthonous cases of chikungunya are related to the ... -
Survey for the pathogenic chytrid fungi batrachochytrium dendrobatidis and b. salamandrivorans on the caucasian salamander in northeastern Turkey
(Herpetological Conservation & Biology, 2021)Chytridiomycosis is an infectious disease of amphibians caused by either of two aquatic fungal pathogens, Batrachochytrium dendrobatidis (Bd) and B. salamandrivorans (Bsal). In this study, we carried out Bd and Bsal screening ... -
Synergistic role of melatonin and hydrogen sulfide in modulating secondary metabolites and metal uptake/sequestration in arsenic-stressed tomato plants
(Elsevier, 2024)The multifunctional roles of melatonin (ML) and hydrogen sulfide (H2S) as plant gasotransmitters are well understood. However, their interaction in defensive responses is still unclear. Here, we assessed how the ML-H2S ... -
Syntaxonomical analyses of the secondary vegetation of harran plain (Sanliurfa/Turkey) ensuing excessive irrigation by using GIS and remote sensing
(2010)This study has been conducted for the purpose of determining the halophytic and ruderal vegetation located in the study area where secondary salinization occurs due to excessive irrigation and evaporation of the irrigation ... -
Syntheses and biological activities of new hybrid molecules containing different heterocyclic moieties
(Wiley, 2013)4-Aryl-5-(pyridin-3-yl)-4H-1,2,4-triazole-3-(thi)oles 5-7, obtained starting from nicotinic acid hydrazide were converted to the corresponding Mannich bases 12-24 by the reaction with several heterocyclic amines in the ... -
Synthesis and antimicrobial activities of some new 1,2,4-triazole derivatives
(MDPI, 2010)Some novel 4,5-disubstituted-2,4-dihydro-3H-1,2,4-triazol-3-one (3, 6, 8, 9) derivatives and or 3-(4-methylphenyl)[1,2,4]triazolo[3,4-b][1,3]benzoxazole (5) were synthesized from the reaction of various ester ethoxycarbo ... -
Synthesis and antimicrobial activities of some new 1,2,4-triazole derivatives
(TUBİTAK, 2010)The synthesis of ethyl [3-(cyanomethyl)-5-alkyl-4H-1,2,4-triazol-4-yl] carbamates (2a-d) was performed starting from ethyl 2-[ethoxy(4-(aryl)methylene] hydrazinecarboxylates (1a, 1b). The treatment of 2a with thiosemicarbazide ... -
Synthesis and antimicrobial activities of some new biheterocyclic compounds containing 1, 2, 4-triazol-3-one and 1, 3, 4-thiadiazole moieties
(TÜBİTAK, 2010)2-(4-Amino-3-(4-chlorophenyl)-5-oxo-4, 5-dihydro-1 H-1, 2, 4-triazol-1-yl)-N'-[(2, 6 dihalogenophenyl)-methylene]acetohydrazides (3a, b) was obtained via the formation of 2-(4-amino-3-(4-chlorophenyl)-5-oxo-4, 5-dihydro-1 ... -
Synthesis and antimicrobial activity evaluation of new norfloxacine-azole hybrids
(Walter de Gruyter Gmbh, 2018)Norfloxacin-azole hybrids 3 and 6a,b were synthesized starting from norfloxacin. the treatment of these compounds with amines as a one-pot three-component reaction produced the corresponding amino derivatives 4a,b, 7a-g ... -
Synthesis and antimicrobial activity of methoxy azachalcones and N-Alkyl substituted methoxy azachalconium bromides
(TÜBİTAK, 2011)In this study, 18 new N-octyl, N-decyl, and N-dodecyl substituted o-, m-, and p-methoxy (E)-3-and 4-azachalcones, {4-or 3-[(1E)-3-(4-, 3-, or 2-methoxyphenyl)-3-oxoprop-1-en-1-yl]-1-alkyl (C8,10,12) pyridinium bromides} ... -
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 ...
