Bölüm "RTEÜ, Fen - Edebiyat Fakültesi, Biyoloji Bölümü" için listeleme
Toplam kayıt 442, listelenen: 61-80
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Chemical composition and antimicrobial activities of the essential oil from the flowers of Delphinium formosum
(2007)The essential oil from the flowers of Delphinium formosum Boiss. et Huet. (Ranunculaceae) was obtained by hydrodistillation in a Clevenger-type apparatus and analyzed by GC-MS. 68 Components were identified in the oil. The ... -
Chemical composition and antimicrobial activities of the essential oils of Viburnum opulus, Viburnum lantana and Viburnum orientala
(2008)The composition of the essential oils obtained from the air-dried Viburnum opulus and Viburnum lantana were analyzed by GC-MS. 40 and 53 Components were identified in the essential oils and the main component of these ... -
Chemical composition and antimicrobial activity of essential oils from Centaurea appendicigera and Centaurea helenioides
(Taylor & Francis LTD., 2009)The chemical components and antimicrobial activity of the essential oils from Centaurea appendicigera C. Koch and Centaurea helenioides Boiss, two different endemic members of the genus Centaurea L. (Asteraceae), were ... -
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 ... -
Chemical composition and antimicrobial activity of the essential oils from the aerial parts of Astragalus hamzaoglui extracted by hydrodistillation and microwave distillation
(2013)The essential oils from the areal parts (flower, leaf and stem) of Astragalus hamzaoglui were isolated by hydrodistillation (HD) and a microwave distillation (MD) process. The composition of the volatiles was analysed by ... -
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, ... -
Chemical composition and antimicrobial activity of the essential oils of five Scrophularia L. Species from Turkey
(2017)The essential oils of the five Scrophularia species; Scrophularia chrysantha Jaub. et Spach, Scrophularia kotschyana Benth., Scrophularia olympica Boiss., Scrophularia cinerascens Boiss. and Scrophularia zuvandica Grossh. ... -
Chemical composition and antimicrobial activity of the essential oils of mosses (Tortula muralis Hedw., Homalothecium lutescens (Hedw.) H. Rob., Hypnum cupressiforme Hedw., and Pohlia nutans (Hedw.) Lindb.) from Turkey
(TÜBİTAK, 2010)The essential oils of mosses [Tortula muralis Hedw. (Pottiaceae), Homalothecium lutescens (Hedw.) H. Rob. (Brachytheciaceae), Hypnum cupressiforme Hedw. (Hypnaceae), and Pohlia nutans (Hedw.) Lindb. (Mniaceae)] were ... -
Chemical composition and antimicrobial activity of the volatile of Gladiolus atroviolaceus boiss
(Chemical Publishing Co., 2012)In the present study, essential oil extracted by hydrodistillation from Gladiolus atroviolaceus Boiss. (Iridaceae) was analyzed by gas chromatography (GC) and GC-mass spectrometry (MS). A total of 52 compounds were identified, ... -
The chemical composition of the essential oil, SPME and antimicrobial activity of rhododendron caucasicum pall
(2019)The aim of this research was to investigate the effect of different extraction methods and chemical composition of the essential oil and solid-phase microextraction (SPME) from Rhododendrum caucasium Pall. The volatiles ... -
Chemical constituents and antimicrobial activities of the essential oils from Sedum pallidum var. bithynicum and S. spurium grown in Turkey
(Taylor&Francis LTD., 2010)Chemical compositions of the essential oil of Sedum pallidum Bieb. var. bithynicum (Boiss.) and S. spurium Bieb. (Crassulaceae) from Turkey were investigated by GC-MS, and antimicrobial activity of the oil samples were ... -
Chemical constituents and antimicrobial activity of the essential oil from vicia dadianorum extracted by hydro and microwave distillations
(2012)The aim of this research was to investigate the influence of extraction methods on yield and chemical composition of the essential oil of Vicia dadianorum Somm. & Lev. The volatiles of V. dadianorum have been isolated by ... -
Chemical profiling and antimicrobial effect of Anatolian honey bee venom
(Elsevier, 2022)Due to increasing antibiotic resistance, there is an urgent need to find new antibiotic alternatives or supporters for the treatment of disease-causing pathogens. For this reason the aim of the study was examine the ... -
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 ... -
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 ... -
Class 1 and class 2 integrons and plasmid-mediated antibiotic resistance in coliforms isolated from ten rivers in northern Turkey
(2009)We aimed to determine the molecular mechanisms of antibiotic resistance in coliforms isolated from ten rivers in northern region of Turkey. A total of 183 isolates were tested for antimicrobial susceptibility by disk ... -
Climatic envelopes of the genus Lacerta Linnaeus, 1758 in Türkiye: an application of ecological niche modeling
(Springer, 2023)Six species belonging to the genus Lacerta live in Türkiye. In this study, both present and future potential distribution maps were created based on occurrence data and climatic variables for these six species. Two scenarios ... -
Climatic preferences and distribution of 6 evolutionary lineages of Typhlops vermicularis Merrem, 1820 in Turkey using ecological niche modeling
(Tubitak Scientific & Technical Research Council Turkey, 2015)According to evolutionary biologists, ecology is a very important factor in speciation. Ecology may be effective at driving adaptive divergence between lineages in different environments and climatic conditions. Because ... -
Cloning and determination of kinetic activity of thermophilic GCH-I from anoxybacillus flavithermus DSM 2641T
(2022)Phenylketonuria (PKU) is a disease caused by phenylalanine hydroxylase enzyme deficiency in newborn infants and is the most important cause of treatable mental retardation. One of the causes of the disease comes from the ... -
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 ...