Başlık için Fen Edebiyat Fakültesi listeleme
Toplam kayıt 1411, listelenen: 56-75
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Angular distributions of protons scattered by Ar40 nuclei with excitation of the 2+(1.46 MeV) and 3-(3.68 MeV) collective levels for incident energies of 25.1, 32.5, and 40.7 MeV
(American Physical Society, 2007)Elastic and inelastic scattering of unpolarized and polarized protons by Ar40 nuclei for incident energies between 20 and 50 MeV has been studied by reanalyzing experimental scattering spectra for the 2+(1.46 MeV) and ... -
Anisotropic local structure of SrFe2-xNixAs2 (x=0.00, 0.16, and 0.23) superconductor probed by polarized X-ray absorption fine structure measurements
(MDPI, 2024)We have investigated the effect of the Ni substitution on the local structure and the valence electronic states of the SrFe2-xNixAs2 (x = 0.00, 0.16, and 0.23) superconductor with a multi-edge extended X-ray absorption ... -
Annual effective dose and concentration levels of gross alpha and beta in Turkish market tea
(Ijrr-Iranian Journal Radiation Res, 2012)Background: Tea is one of the most popular beverages all over the world which is prepared from the leaves of a shrub camellia sinensis. Eastern Black Sea Region of Turkey which account for around 100% of all tea production ... -
Annual effective dose and concentration levels of gross α and β in various waters from Samsun, Turkey
(Elsevier, 2011)Samsun city which is between the deltas where YeŞilirmak and Kizilirmak rivers run out, exists in the middle part of Black Sea's costal way. It is the biggest city of the Black Sea Region in terms of population, industry, ... -
Anomalous ferromagnetic behaviour of Y2O3 and CuO nanoparticles in YBa2Cu3Oy superconductor
(Institute of Physics Publishing, 2009)Anomalous ferromagnetic behaviour of the Y2O3 and CuO components in YBa2Cu3Oy (Y123) was observed after severe reduction of particle size. The particle size reduction was performed in following way: Y2O3, BaCO3 and CuO ... -
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 ... -
Anti-reflective effect of CeO2 thin films produced by sol-gel method on crystalline silicon solar cells
(Springer, 2023)In this study, considering the good optical properties of CeO2 thin films, their anti-reflective effect on crystalline silicon solar cells was investigated. First molarity and then coating speed optimizations were carried ... -
Antibacterial activity of bryophyte species against Paenibacillus larvae isolates
(2017)This study was performed to determine the antibacterial activity of methanol extracts of 23 bryophyte species against Paenibacillus larvae isolates that cause American foulbrood diseases in honeybee larvae. The honey and ... -
Antibacterial effects of anatolian propolis on paenibacillus larvae
(Bursa Uludag University, 2021)Paenibacillus larvae (P. larvae) is a pathogenic bacterium causing American Foulbrood Disease (AFB) in honeybee larvae. It is necessary to develop alternative strategies for the control of this disease due to the serious ... -
Antibiotic resistance profiles of enteric cacteria isolated from Kucukcekmece Lagoon (Istanbul-Turkey)
(Central Fisheries Research Inst, 2012)The aim of this study is to find out the density of the fecal bacteria and to analyze resistance to antimicrobials of Gram negative bacilli isolated from the Kucukcekmece Lagoon, Istanbul. Samples were taken monthly from ... -
Anticancer evaluation of a manganese complex on HeLa and MCF-7 cancer cells: design, deterministic solvothermal synthesis approach, Hirshfeld analysis, DNA binding, intracellular reactive oxygen species production, electrochemical characterization and density functional theory
(Taylor & Francis Inc, 2020)Herein, a deterministic solvothermal strategy was employed to synthesize an efficient anticancer agent 'cis-dichlorobis(1,10-phenanthroline)manganese(II)' (Mn(phen)(2)Cl-2). A single-crystal X-ray diffraction analysis ... -
Antimicrobial activity and a comparative essential oil analysis of Centaurea pulcherrima Willd. var. pulcherrima extracted by hydrodistillation and microwave distillation
(Taylor & Francis Online, 2012)The essential oils of Centaurea pulcherrima Willd. var. pulcherrima (Asteraceae) were isolated by hydrodistillation (HD) and a microwave distillation (MD), than characterised by GC-FID and GC-MS. A total of 58 and 57 ... -
Antimicrobial activity and analyses of six Geranium L. species with headspace SPME and hydrodistillation
(Taylor & Francis Ltd, 2016)A solid phase microextraction (SPME) method with gas chromatography-mass spectrometry (GC-MS) was used for analyses of the volatile compounds of six Geranium species; G. asphodeloides, G. psilostemon, G. purpureum, G. ... -
Antimicrobial activity and chemical composition of the essential oil from Campanula glomerata L. subsp. hispida (Witasek) Hayek
(RTEÜ, Fen - Edebiyat Fakültesi, Biyoloji Bölümü, 2012)The volatile components of the essential oil from Campanula glomerata L. subsp. hispida (Witasek) Hayek was analyzed by GC and GCMS. Forty-eight compounds representing 89.0 % of the total oil were characterized and the ... -
Antimicrobial activity and chemical composition of the essential oils of mosses (Hylocomium splendens (Hedw.) Schimp. and Leucodon sciuroides (Hedw.) Schwägr.) growing in Turkey
(TÜBİTAK, 2013)In the present work, the volatiles of mosses [Hylocomium splendens (Hedw.) Schimp. (Hylocomiaceae) and Leucodon sciuroides (Hedw.) Schwägr. (Leucodontaceae)] have been investigated by GC-FID and GC/MS. Fifty-eight compounds ... -
Antimicrobial activity and composition of rindera lanata (LAM.) bunge var. canescens (A.D.C.) Kosn. essential oil obtained by hydrodistillation and microwave assisted sistillation
(2017)The composition of essential oils of Rindera lanata (LAM). Bunge var. canescens (A.D.C) Kosn. obtained by hydro-distillation (HD) and microwave assisted distillation (MW) by GC, GC/MS. Thirty three and thirty nine compounds ... -
Antimicrobial activity and essential oil compositions of two Ranunculus species from Turkey: R. constantinopolitanus and R. arvensis
(2008)The isolated essential oils of Ranunculus constantinopolitanus and Ranunculus arvensis were tested for antimicrobial activity against the bacteria E. coli, K. pneumoniae, P. aeruginosa, E. faecalis, S. aureus, B. cereus ... -
Antimicrobial activity and volatile constituents of omphalodes cappadocica (Willd.) DC.
(2011)The composition of the essential oil isolated by hydrodistillation from Omphalodes cappadocica (Willd.) DC. (Boraginaceae) collected from 'Of', a town in Trabzon, was determined by GC-FID and GC-MS. Sixty components were ... -
Antimicrobial activity and volatile constituents of the flower, leaf, and stem of Paeonia daurica grown in Turkey
(TÜBİTAK, 2011)The volatile constituents of the essential oils from the flower, leaf, and stem of Paeonia daurica Andrews were analyzed by GC and GC-MS. A total of 74 compounds were identified, constituting over 95.0%, 80.8%, and 98.2% ... -
Antimicrobial activity of Bacillus strains isolated from spring water and a novel bacteriocin: RS108
(2013)The aim of this research was to investigate the bacteriocins produced by Bacillus strains isolated from the spring water of Rize, in Turkey. Bacillus cereus RS108 was identified by both conventional and molecular methods, ...
