Güncel Gönderiler: Fen Fakültesi
Toplam kayıt 1146, listelenen: 721-740
-
Investigation of metastability and instability effects on the minority carrier transport properties of microcrystalline silicon thin films by using the steady-state photocarrier grating technique
(Canadian Science Publishing, Nrc Research Press, 2014)Metastability effects in hydrogenated microcrystalline silicon thin films due to air, high purity nitrogen, helium, argon, and oxygen were investigated using temperature-dependent dark conductivity, photoconductivity, and ... -
Reversible and irreversible effects after oxygen exposure in thick (> 1 mu m) silicon films deposited by VHF-PECVD on glass substrates investigated by dual beam photoconductivity
(Canadian Science Publishing, Nrc Research Press, 2014)Metastability and instability effects due to oxygen exposure in thick intrinsic hydrogenated microcrystalline silicon films deposited by very high frequency plasma enhanced chemical vapour deposition on smooth glass ... -
Atmospheric aging and light-induced degradation of amorphous and nanostructured silicon using photoconductivity and electron spin resonance
(Canadian Science Publishing, Nrc Research Press, 2014)Previous studies indicate that the dark conductivity in amorphous and microcrystalline silicon may increase or decrease with exposure to deionized water (DIW) or pure oxygen at 80 degrees C but always decreases with light ... -
Purification and characterization of an alkaline pectin lyase produced by a newly isolated Brevibacillus borstelensis (P35) and its applications in fruit juice and oil extraction
(Springer, 2014)An alkaline pectin lyase (PNL) (EC 4.2.2.10) secreted by Brevibacillus borstelensis P35 (GenBank Number: FJ417406) was purified using ammonium sulfate fractionation, anion exchange chromatography on DEAE-cellulose and gel ... -
Texture transformations and thermo-optical properties of nematic mesogen at nematic-isotropic liquid phase transition
(Elsevier, 2014)Study of the thermo-morfologic, thermotropic and thermo-optical properties of monomorphic nematic mesogen has been carried out. Temperature behavior of the mean the refractive index n, ordinary n(0) and extraordinary n(e) ... -
DEVELOPMENT OF A NEW BIOSENSOR FOR DETERMINATION OF CATALASE ACTIVITY
(Taylor & Francis Inc, 2014)Catalase is one of the major antioxidant enzymes that catalyzes the hydrolysis of H2O2. The aim of this study was to suggest a new method for the assay of catalase activity. For this purpose, an amperometric biosensor based ... -
Minerals and metals in mushroom species in Anatolia
(Taylor & Francis Ltd, 2014)Mineral and metal contents of 24 wild mushroom species collected from Anatolia were analysed by inductively coupled plasma optical emission spectrometry. Eight minerals (Na, Mg, Ca, Mn, Fe, Zn, P and K) and six metals (Cr, ... -
Iron(III) selective fluorescence probe based on perylene tetracarboxylic diimide
(Pleiades Publishing Inc, 2014)Responses of organic fluorophore, perylenediimide derivative N,N'-di[3-[2-(3-thienyl)ethyl]phenyl]perylene-3,4,9,10-bis-(dicarboxyimide) (PDI1) was investigated in polymer matrix of polyvinyl chloride (PVC) by emission ... -
Smoke-enhanced seed germination in Mediterranean Lamiaceae
(Cambridge Univ Press, 2014)The role of smoke in fire-stimulated germination in the Mediterranean Basin has often been underestimated. A few records on smoke-enhanced germination are present in Mediterranean Lamiaceae species, but there is still a ... -
First Report of Bacterial Blight of Pomegranate Caused by Xanthomonas axonopodis pv. punicae in Turkey
(Amer Phytopathological Soc, 2014) -
Characterization of bacterial knot disease caused by Pseudomonas savastanoi pv. savastanoi on pomegranate (Punica granatum L.) trees: a new host of the pathogen
(Wiley, 2014)This study aimed to isolate and identify the causal organism causing hyperplastic outgrowths (knots) on stems and branches of pomegranate trees in the Eastern Mediterranean region of Turkey. Bacterial colonies were isolated ... -
Crystal structure of N'-(furan-2-ylmethylene)-4-hydroxybenzohydrazide
(Pleiades Publishing Inc, 2014)We report the molecular and crystal structures of the title compound. The structure of title compound in crystal was determined by the X-ray diffraction method. The molecule exists in a trans-configuration with respect to ... -
Exogenously applied nitric oxide confers tolerance to salinity-induced oxidative stress in two maize (Zea mays L.) cultivars differing in salinity tolerance
(Tubitak Scientific & Technical Research Council Turkey, 2015)A glasshouse study was conducted to examine the ameliorative effects of exogenously applied nitric oxide (NO) on salinity-induced oxidative defense mechanisms and some vital metabolic attributes in two maize cultivars ... -
Two Ganoderma species: profiling of phenolic compounds by HPLC-DAD, antioxidant, antimicrobial and inhibitory activities on key enzymes linked to diabetes mellitus, Alzheimer's disease and skin disorders
(Royal Soc Chemistry, 2015)This work reports the antioxidant, antimicrobial, and inhibitory effects of methanol and water extracts from Ganoderma applanatum (GAM: methanol extract and GAW: water extract) and G. resinaceum (GRM: methanol extract and ... -
Structural, Electrical, and Magnetic Properties of High-Temperature-Sintered La1-xNaxMnO3 (0.05 <= x <= 0.35) Compounds
(Springer, 2015)The structural, electric, and magnetic properties of La1-xNaxMnO3 (0.05 <= x <= 0.35) compounds have been investigated. The compounds were prepared by a standard sol-gel method then sintered at 1400 degrees C for 24 h. The ... -
Exogenous application of thiamin promotes growth and antioxidative defense system at initial phases of development in salt-stressed plants of two maize cultivars differing in salinity tolerance
(Springer Heidelberg, 2015)The effects of thiamin (Thi) applied as seed soaking or foliar spray on some key physiological parameters were investigated in two differentially salt-responsive maize (Zea mays L.) cultivars, DK 5783 and Apex 836 F1, ... -
COMPARATIVE ANALYSIS OF BIOTIC INDICES FOR EVALUATION OF WATER QUALITY OF ESEN RIVER IN SOUTH-WEST ANATOLIA, TURKEY
(Parlar Scientific Publications (P S P), 2015)Five biotic indices were used for the assessment of water quality of Esen River in South-west of Turkey. The classification of water quality based on benthic macroinvertebrate and physical and chemical parameters were also ... -
APPLICATION OF MULTI-METAL BIOACCUMULATION INDEX AND BIOAVAILABILITY OF HEAVY METALS IN Unio sp. (UNIONIDAE) COLLECTED FROM TERSAKAN RIVER, MUGLA, SOUTH-WEST TURKEY
(Parlar Scientific Publications (P S P), 2015)In the present study, some heavy metals (Cd, Co, Cr, Cu, Fe, Mn, N, Pb and Zn) were seasonally determined in some tissues of mussel Unio sp. from Tersakan River, which is an important agricultural, a visiting area and, a ... -
In vitro antimutagenic activity of Vitex agnus-castus L. essential oils and ethanolic extracts
(Elsevier, 2015)This study investigated the antimutagenic activity of the essential oil of the leaves and the ethanolic extract of the seeds of Vitex agnus-castus, a common plant with both medicinal and economic value. Ames Salmonella/microsome ... -
THERMOTROPIC, REFRACTING AND THERMO-OPTICAL PROPERTIES IN THREE HOMOLOGS OF 4-N-ALKYL-4 '-CYANOBIPHENYLS
(Lithuanian Physical Soc, 2015)Investigations of temperature behaviour of the mean refractive index n, ordinary n(o) and extraordinary n(e) refractive indices, and birefringence Delta n have been carried out for three homologues of 4-n-alkyl-4'-cyanobiphenyls ...
