Yazar "Ceyhan, Nur" için listeleme
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Antimicrobial activities of different extracts of eight plant species from four different family against some pathogenic microoorganisms
Ceyhan, Nur; Keskin, Dilek; Ugur, Aysel (Wfl Publ, 2012)In this paper, the antimicrobial activities of aqueous, ethanolic, ethyl acetate and hexane extract of eight plant species were studied. The extracts of Rosmarintis officinalis (L.) (leaves), Melissa officinalis (L.) ... -
Antimicrobial activity and chemical constitutions of West Anatolian olive (Olea europaea L.) leaves
Keskin, Dilek; Ceyhan, Nur; Ugur, Aysel; Dbeys, Ayse Durgan (Wfl Publ, 2012)The aqueous extract of olive leaves was tested for their antimicrobial activity. This extract remarkably inhibited the growth of all tested Gram-positive and Gram-negative bacteria except for Bacillus cereus CCM 99, ... -
Biosorption of chromium(VI), cadmium(II) and copper(II) by Pantoea sp TEM
Özdemir, Güven; Ceyhan, Nur; Öztürk, Tansel; Akırmak, Feyza; Coşar, Tamer (Elsevier Science Sa, 2004)Microorganisms and microbial products can be highly efficient bioaccumulators of soluble and particulate forms of metals, especially from dilute external solutions, and microbe-related technologies may provide an alternative ... -
Chemical Composition and in vitro Antimicrobial Activity of Walnut (Juglans regia) Green Husks and Leaves from West Anatolia
Keskin, Dilek; Ceyhan, Nur; Ugur, Aysel (Dr M N Khan, 2012)Juglans regia L. (Juglandeaceae) is used medicinally for centuries, but it also is used in pharmaceutical and cosmetic industries. The extract of walnut green husks and walnut leaves Juglans regiaL. (Juglandeaceae) were ... -
Chemical Constituents and Antimicrobial Activity of the Leaves of Eucalyptus (Eucalyptus camaldulensis Dehnh.), An Endemic Plant from West Anatolia
Ceyhan, Nur; Keskin, Dilek; Zorlu, Zuhal (Dr M N Khan, 2012)The extracts of methanol water, hexane and chloroform eucalyptus leaves (Eucalyptus camaldulensis Dehnh.) were screened in vitro for their antimicrobial activity against some pathogenic gram negative, gram positive bacteria ... -
Extracellular polysaccharides produced by cooling water tower biofilm bacteria and their possible degradation
Ceyhan, Nur; Ozdemir, Guven (Taylor & Francis Ltd, 2008)The extracellular polymers (EPS) of biofilm bacteria that can cause heat and mass transfer problems in cooling water towers in the petrochemical industry were investigated. In addition, these microorganisms were screened ... -
Heavy metal biosorption by biomass of Ochrobactrum anthropi producing exopolysaccharide in activated sludge
Özdemir, Güven; Öztürk, Tansel; Ceyhan, Nur; İşler, Rahim; Coşar, Tamer (Elsevier Sci Ltd, 2003)The removal of chromium, cadmium and copper, toxic metals of high environmental priority due to their toxicity, from dilute aqueous solutions has been studied in the present work, applying a dead exopolysaccharide producing ... -
In-vitro Antimicrobial Activities of Different Extracts of Grapevine Leaves (Vitis vinifera L.) from West Anatolia against some Pathogenic Microorganisms
Ceyhan, Nur; Keskin, Dilek; Zorlu, Zuhal; Ugur, Aysel (Dr M N Khan, 2012)The extract of ethanol, methanol, aqueous grapevine leaves (Vitis vinifera L.) were screened in vitro for their antimicrobial activity against Gram-positive, Gram-negative bacteria and one yeast. Disk diffusion method was ... -
Kistik fibrozizde Pseudomonas aeruginosa ve Burkholderia cepacia arasındaki etkileşimler
Ceyhan, Nur; Özdemir, Güven (2006)Gram-negatif bakteriler olan Pseudomonas aeruginosa ve Burkholderia cepacia bağışık baskılı hastalarda çeşitli nozokom'iyal infeksiyonlardan sorumlu fırsatçı insan patojenleri olup kistik fıbrozis (KF)'deki başlıca ... -
Phytochemical Analysis and Antimicrobial Activity of Different Extracts of Fig Leaves (Ficus carica L.) from West Anatolia against some Pathogenic Microoorganisms
Keskin, Dilek; Ceyhan, Nur; Zorlu, Zuhal; Ugur, Aysel (Dr M N Khan, 2012)The aim of the study was to investigate phyto chemical compoundsof fig leaves and antimicrobial activity of different extracts. The extract of ethanol, methanol, aqueous fig leaves (Ficus carica L.) were screened in vitro ... -
POLY-beta-HYDROXYBUTYRATE (PHB) PRODUCTION BY Bacillus sp. ISOLATED FROM SOIL
Ceyhan, Nur (Parlar Scientific Publications (P S P), 2012)Petrochemical-derived nondegradable plastics accumulate in the environment in large quantities. Biopolymeric materials such as microbial poly-beta-hydroxybutyrate (PHB) are, in contrast to chemically synthesized plastics, ... -
Poly-beta-hydroxybutyrate (PHB) production from domestic wastewater using Enterobacter aerogenes 12Bi strain
Ceyhan, Nur; Ozdemir, Guven (Academic Journals, 2011)A strain of poly-beta-hydroxybutyrate (PHB)-accumulating bacterium was isolated and identified as Enterobacter aerogenes (designated E. aerogenes 12Bi) by using biochemical and phylogenetic characterization. The accumulation ... -
Synthesis and antimicrobial activities of hexahydroimidazo[1,5-a]pyridinium bromides with varying benzyl substituents
Turkmen, Hayati; Ceyhan, Nur; Yavasoglu, N. Ulku Karabay; Ozdemir, Guven; Cetinkaya, Bekir (Elsevier France-Editions Scientifiques Medicales Elsevier, 2011)Variously substituted benzyl bromides were employed to quaternize hexahydrobenzylimidazo[1,5-a] pyridine (A) and the resulting bromides (1-11) were evaluated for their in vitro antimicrobial activity against 10 pathogenic ... -
Utilization of an exopolysaccharide produced by Chryseomonas luteola TEM05 in alginate beads for adsorption of cadmium and cobalt ions
Özdemir, Güven; Ceyhan, Nur; Manav, Ebru (Elsevier Sci Ltd, 2005)Cadmium and cobalt adsorption from aqueous solution onto calcium alginate, sodium alginate with an extracellular polysaccharide (EPS) produced by the activated sludge bacterium Chryseomonas luteola TEM05 and immobilized C ...