Yayın tarihi için FEF, Biyoloji Bölümü Koleksiyonu listeleme
Toplam kayıt 542, listelenen: 61-80
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DNA binding, antioxidant and antimicrobial activities of homo- and heteronuclear copper(II) and nickel(II) complexes with new oxime-type ligands
(Elsevier, 2010)Some homo- and heteronuclear Cu(II) and Ni(II) complexes of new oxime-type ligands were tested against several pathogenic microorganisms to assess their antimicrobial potentials. The antimicrobial activities of complexes ... -
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 ... -
Palynological observations on the genus Scorzonera L. (Asteraceae) from north-east Anatolia (Turkey)
(Turkiye Klinikleri, 2010)Pollen morphology of the 13 taxa of Scorzonera L. (Asteraceae) from Turkey was investigated by using light (LM) and scanning electron microscopy (SEM). As a result of LM and SEM observations, it was found that the pollen ... -
A new study on the bacteria of Agrotis segetum Schiff. (Lepidoptera: Noctuidae) and their insecticidal activities
(Turkiye Klinikleri Journal of Medical Sciences, 2010)Agrotis segetum Schiff. (Lepidoptera: Noctuidae) is one of the most serious pests of nearly all vegetables in Turkey. In this study, to find a more effective and safe biological control agent, the bacterial flora of Agrotis ... -
Nitrogen and phosphorus resorption in a salt marsh in Northern Turkey
(Turkiye Klinikleri Journal of Medical Sciences, 2010)This study was conducted to investigate foliar nitrogen and phosphorus dynamics, nitrogen and phosphorus resorption, and some leaf traits (i.e. SLA=specific leaf area) in some coastal salt marsh plants located in northern ... -
Composition and antimicrobial activity of the essential oils from flowers of Senecio othonnae, S. racemosus, and S. nemorensis
(Natural Product Incorporation, 2010)The chemical composition of the essential oils of Senecio othonnae, S. racemosus, and S. nemorensis obtained by hydrodistillation of fresh flowers were analysed by GC-FID and GC-MS. A total of seventy-six compounds were ... -
Isolation, production, and characterization of an extracellular lipase from Trichoderma harzianum isolated from soil
(2011)Bu çalışma, Trichoderma harzianum lipazının karakterizasyonu hakkında ilk rapordur. Yeni bir suş olan Trichoderma harzianum IDM14D topraktan izole edildi. İzole edilen bu suş, lipaz üretimi için çalkalamalı kültürde 30 ... -
The influence of photoperiod on size and development of ovarioles in insecticide resistant and susceptible strains of the house fly Musca domestica L. (Diptera: Muscidae)
(Turkiye Klinikleri, 2011)The ovariole development of laboratory-reared insecticide resistant and sensitive strains of the house fly, Musca domestica L. (Diptera: Muscidae) under different photoperiod regimes was examined. Flies were reared under ... -
Changes in anatomical and physiological parameters of soybean under drought stress
(Turkiye Klinikleri, 2011)Anatomical changes in the root, stem, and leaf of soybean (Glycine max (L.) Merr. cv. Nazli{dotless}can) plants under drought stress were studied by light microscope and their significance was evaluated by numerical analysis. ... -
The ATPase activity of the G2alt gene encoding an aluminium tolerance protein from Anoxybacillus gonensis G2
(Springer, 2011)The G2ALT gene was cloned and sequenced from the thermophilic bacterium Anoxybacillus gonensis G2. The gene is 666 bp long and encodes a protein 221 amino acids in length. The gene was overexpressed in E. coli and purified ... -
Heavy metal accumulation in some natural and exotic plants in Samsun city
(Cevkor Vakfi, 2011)The aim of this study was to estimate the level of some trace metal accumulation (Pb, Cd, Zn and Cu) in the leaves, needles, and twigs of some natural and exotic tree and shrub species which were selected and tested as a ... -
Morphologic, ecologic and taxonomic studies on Amygdalus L. species in Sanliurfa, Turkey
(International Society for Horticultural Science, 2011)This study aims to determine the morphologic, ecologic and taxonomic characteristics of Amygdalus L. species from Rosaceae L. family. The specimens from the GAP region were collected between the years 2004-2006, photographed, ... -
Reduction in membrane phosphatidylglycerol content leads to daptomycin resistance in Bacillus subtilis
(2011)Daptomycin (DAP) is a cyclic lipopeptide that disrupts the functional integrity of the cell membranes of Gram-positive bacteria in a Ca 2+-dependent manner. Here we present genetic, genomic, and phenotypic analyses of an ... -
Molecular identification and distribution of Anopheles maculipennis complex in the Mediterranean region of Turkey
(Elsevier, 2011)The present study was set to identify the members of An. maculipennis complex, which includes effective malaria vectors, throughout the Mediterranean region of Turkey using the second internal transcribed spacer of ribosomal ... -
Chemical composition and antimicrobial activity of the essential oils from evernia prunastri (L.) ach. and evernia divaricata (L.) ach.
(Chemical Publishing Co., 2011)In present studies, the chemical composition and antimicrobial activity of the essential oil of Evernia prunastri (L.) Ach. and Evernia divaricata (L.) Ach have been analyzed. The essential oils obtained by hydrodistillation ... -
Body size and age structure of Pelophylax ridibundus populations from two different altitudes in Turkey
(Brill, 2011)We estimated differences in body size and age structure of two populations of Pelophylax ridibundus living at different altitudes in Turkey, one from Dörtyol (6 m a.s.l.) and the other from Karagöl (1480 m a.s.l.). Their ... -
Effects of selected groundwater chemical traits on a salt marsh community
(2011)Electrical conductivity, exchangeable sodium ratio and water depth have negative impacts, whereas soil organic matter concentration has a positive impact on Black Sea salt marsh vegetation. The most saline soils were ... -
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} ... -
Phenylenediamine, salicylic acid, stoichiometry, formation constant, speplot, metal complexes
(2011)The present work describes the chemical composition and antimicrobial activity of the essential oil of Campanula olympica Boiss. which was isolated from the all parts of the plant by hydrodistillation and analyzed by GC-FID ... -
Chemical composition and antimicrobial activity of the essential oils from the flower, leaf, and stem of Senecio pandurifolius
(2011)The essential oils from the fresh flower, leaf, and stem of Senecio pandurifolius (Asteraceae) were isolated by hydrodistillation in a Clevenger-type apparatus, and characterized by GC-FID and GC-MS. A total of forty-five, ...