Güncel Gönderiler: FEF, Biyoloji Bölümü Koleksiyonu
Toplam kayıt 559, listelenen: 421-440
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Synthesis and antimicrobial properties of N-substituted derivatives of (E)-2 ',3 ''-thiazachalcones
(Walter de Gruyter Gmbh, 2015)N-alkyl substituted 2',3 ''-thiazachalcones {3-[(1E)-3-(4-methylthiophene-2-yl)-3-oxoprop-1-en-1-yl]-1-alkyl (C-5-12,C-14) pyridinium bromides} were synthesized by a two-step reaction. the newly synthesized compounds were ... -
Microwave assisted synthesis and anti-lipase activity of some new fluorine-containing benzimidazoles
(Georg Thieme Verlag Kg, 2015)In this study, a new series of fluorine containing benzimidazoles (4a-l) and bisbenzimidazoles (6a-c, 8) were synthesized by the reaction of o-phenylenediamines with iminoester hydrochlorides (3a-l, 7) in methanol under ... -
Synthesis of some novel heterocylic compounds derived from 2-[3-(4-chlorophenyl)-5-(4-methoxybenzyl)-4H-1,2,4-triazol-4-yl]acetohydrazide and investigation of their lipase and alpha-glucosidase inhibition
(Taylor & Francis Ltd, 2015)In the present study, 2-[3-(4-chlorophenyl)-5-(4-methoxybenzyl)-4H-1,2,4-triazol-4-yl]acetohydrazide (1) was used as starting compound for the synthesis of 2-{[3-(4-chlorophenyl)-5-(4-methoxybenzyl)-4H-1,2,4-triazol-4-yl ... -
Synthesis and study of alpha-glucosidase inhibitory, antimicrobial and antioxidant activities of some benzimidazole derivatives containing triazole, thiadiazole, oxadiazole, and morpholine rings
(Springer, 2015)A new series of 2-(4-bromobenzyl)- and 2-(4-fluorobenzyl)-1H-benzimidazole derivatives containing 1,2,4-triazole, 1,3,4-thiadiazole, 1,3,4-oxadiazole, and morpholine rings has been synthesized. the structures of the newly ... -
Pretreatment with polyamines alleviate the deleterious effects of diuron in maize leaves
(Akademiai Kiado Rt, 2015)The effects of diuron, a photosystem II inhibiting herbicide, on lipid peroxidation, photosynthetic pigments, soluble protein, proline contents and some antioxidant enzymes in maize leaves were studied and protective effects ... -
Phenolic components and antioxidant activity of prunus spinosa from Gumushane, Turkey
(Springer, 2015)Blackthorn (Prunus spinosa L.) is a fruit of the genus Prunus from the family Rosaceae. It grows wild in various regions in Turkey (especially in central, north, west, and south Anatolia). It has numerous stems covered ... -
Microwave-assisted synthesis of some new coumarin derivatives including 1,2,4-triazol-3-one and investigation of their biological activities
(Springer, 2015)By using the microwave technology, a new protocol has been developed for the synthesis of new coumarin derivatives including 1,2,4-triazol-3-one skeleton. This protocol proves to be efficient and environmentally friendly ... -
Synthesis and biological evaluation of new 1,2,4-triazole derivatives with their potentiometric titrations
(Springer Birkhauser, 2015)In the present study, 3-alkyl(aryl)-4-amino-4,5-dihydro-1H-1,2,4-triazol-5-ones (1a, b, d-g) reacted with 3-phenoxybenzaldehyde to afford 3-alkyl(aryl)-4-(3-phenoxy-benzylidenamino-4,5-dihydro-1H-1,2,4-triazol-5-ones (2a, ... -
The effect of altitude, latitude and climatic variables on life-history traits of male Hyla savignyi (AUDOUIN, 1827) from Anatolia (Turkey): a skeletochronological study
(Osterreichische Gesellschaft Herpetologie E V, 2015)A total of 127 male individuals of Hyla savignyi (AUDOUIN, 1827) from three populations of different altitudes (Iskenderun - 10 m a.s.l., Sanlrurfa - 476 m, Igdir - 858 m) were studied for age structure and body size using ... -
Cloning, purification and characterization of acetyl Xylane esterase from anoxybacillus flavithermus DSM 2641(T) with activity on low molecular-weight acetates
(Springer, 2015)Family 4 carbohydrate esterases (CE-4) have deacetylate different forms of acetylated poly/oligosaccharides in nature. This family is recognized with a specific polysaccharide deacetylase domain assigned as NodB homology ... -
Chromosome counts of Tragopogon L. (Asteraceae) from Turkey
(Univ Florence Botany Inst, 2015)In the present study, mitotic chromosome numbers of 18 Tragopogon taxa from Turkey, including five endemic species, were counted. the plant material originates from 30 populations. the chromosome numbers of T. albinervis ... -
Potential distribution modeling and morphology of pelias barani (Bohme and Joger, 1983) in Turkey
(Science Press, 2015)The climatic preferences of Pelias barani, a rare Pontic endemic viper, are analysed and a new locality record is reported. According to species distribution modeling, with the average test AUC was was 0.904 +/- 0.068, ... -
Tragopogon turcicus sp nov (Asteraceae) from Turkey and its phylogenetic position
(Wiley, 2015)Tragopogon turcicus Cokunc., M.Gultepe & Makbul, a new diploid species (2n = 2x = 12), is described and illustrated from Kzlda National Park (Isparta), southwest Anatolia. It is morphologically similar to T. oligolepis ... -
Pollinarium morphology of Vincetoxicum (Apocynaceae: Asclepiadoideae) in Turkey
(Magnolia Press, 2015)In this study, the pollen morphology of 20 representatives of ten taxa of Vincetoxicum from Turkey was observed under a scanning electron microscope and light microscope. Observations showed that each flower contained five ... -
Distribution of beta-lactamase genes among carbapenem-resistant klebsiella pneumoniae strains isolated from patients in Turkey
(Korean Soc Laboratory Medicine, 2015)Background: the emergence of carbapenem-resistant Klebsiella pneumoniae poses a serious problem to antibiotic management. We investigated the beta-lactamases in a group of carbapenem-resistant K. pneumoniae clinical isolates ... -
Age structure and body size variation in populations of darevskia bithynica (Mehely, 1909) (Reptilia: Lacertidae) from different altitudes in North-western Turkey
(Inst Zoology, Bas, 2015)We present the first data of body size and age structure (based on the skeletochronological examination) of Darevskia bithynica from two localities characterised with different altitudes, i.e. Zonguldak (50 m) and Bolu ... -
Anthocyanins profiling of Thymus praecox opiz subsp caucasicus var. caucasicus
(Elsevier Science Bv, 2015)Thymus praecox Opiz subsp. caucasicus var. caucasicus (Anzer tea) was studied to determine its anthocyanin content; anthocyanin stability in response to acidic hydrolysis and temperature changes. in this study, anthocyanin ... -
Microwave assisted synthesis and antimicrobial activity evaluation of new heterofunctionalized norfloxacine derivatives
(Bentham Science Publ Ltd, 2016)The synthesis of new hybrid compounds containing several heterocyclic groups namely norfloxacine, 1,2,4-triazole, 1,3,4-oxadiazole, piperazine, morpholine, thiomorpholine, 1,3,4-thiadiazole etc. was performed by conventional ... -
Cloning, expression and biochemical characterization of a beta-carbonic anhydrase from the soil bacterium Enterobacter sp B13
(Taylor & Francis Ltd, 2016)A recombinant carbonic anhydrase (CA, EC 4.2.1.1) from the soil-dwelling bacterium Enterobacter sp. B13 was cloned and purified by Co2+ affinity chromatography. Bioinformatic analysis showed that the new enzyme (denominated ... -
New lipase assay using Pomegranate oil coating in microtiter plates
(Elsevier France-Editions Scientifiques Medicales Elsevier, 2016)Lipases play various roles in fat digestion, lipoprotein metabolism, and in the mobilization of fat stored in lipid bodies in animals, plants and microorganisms. in association with these physiological functions, there is ...
